CN118188345A - Real-time monitoring system and method for wind farm - Google Patents
Real-time monitoring system and method for wind farm Download PDFInfo
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- CN118188345A CN118188345A CN202410280200.0A CN202410280200A CN118188345A CN 118188345 A CN118188345 A CN 118188345A CN 202410280200 A CN202410280200 A CN 202410280200A CN 118188345 A CN118188345 A CN 118188345A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
- F03D17/007—Wind farm monitoring
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Abstract
The invention provides a real-time monitoring system and a real-time monitoring method for a wind farm, wherein key operation parameters are obtained in real time through each monitoring module, the key parameters are analyzed through a summarizing and analyzing module, the optimal ideal operation state is obtained, and fault information is found in time; transmitting the ideal running state and fault information to a field control module in a command mode, controlling equipment to run, and generating result information after the control process is finished; the alarm feedback module receives the fault information to perform primary alarm, and performs secondary alarm by comparing the result information with the ideal running state; the fault instructions are preferentially acquired while the instructions are issued, and the adjustment instructions are intercepted; the invention realizes the comprehensive detection of the operation parameters and improves the fault detection accuracy; the blade angle is adjusted in time, and the power output is maximized; the operation of the fan is stopped in time, and useless power consumption is avoided; through intercepting the regulation instruction, the operation when the fault condition exists is avoided, the fault is prevented from being aggravated, and the safety of the wind farm is improved through double alarms.
Description
Technical Field
The invention relates to the technical field of wind power plants, in particular to a real-time monitoring system and method for a wind power plant.
Background
The wind power plant, namely a wind generating set, is new energy equipment for converting mechanical energy generated by rotation of large blades into electric energy, has the advantage of no pollution, and is a popular mode for converting electric energy; however, when the wind farm is built, because the volume of the generator set is too large, and a certain distance is needed between the blades to ensure the wind power circulation and the disturbance of turbulent flow in the rotating process of the blades, the wind farm occupies extremely large space, and the maintenance of the wind farm is difficult;
generally, when a wind power plant unit breaks down, maintenance personnel are required to detect in real time on site to judge the cause of the fault, so that not only is the maintenance untimely, but also the maintenance process is difficult due to the overlarge equipment body size; due to the fact that fault factors are numerous, blind adjustment, shutdown and maintenance usually cause potential risks, and safety of maintenance personnel and the running process of wind turbine generator equipment cannot be guaranteed;
Therefore, how to provide a real-time monitoring system and method for a wind farm, which can ensure maintenance safety, reduce energy loss and timely acquire abnormality, is a problem to be solved in the field.
Disclosure of Invention
In order to solve the problems, the invention provides the following technical scheme:
a wind farm real-time monitoring system, comprising:
The on-site control module is used for adjusting the operation action of the wind power equipment according to the control instruction and generating corresponding control result information according to the adjustment process;
the wind power monitoring module is connected with the wind power equipment and is used for detecting wind speed data in the current environment;
the power monitoring module is connected with the wind power equipment and is used for detecting the current power data output by the wind power equipment;
The fault monitoring module is connected with the wind power equipment and used for detecting the current operation parameter data of the wind power equipment;
The summarizing and analyzing module is connected with the wind power monitoring module, the electric power monitoring module and the fault monitoring module and is used for acquiring and analyzing wind speed data, electric power data and operation parameter data, correspondingly generating a control instruction and an alarm signal according to an analysis result, and sending the control instruction to the field control module for remote control;
The alarm feedback module is connected with the summarizing and analyzing module and the field control module and is used for receiving control result information, comparing the control result information with information carried by an alarm signal and generating a feedback signal according to a comparison result; and the alarm feedback module completes the alarm action to the personnel according to the alarm signal and the feedback signal.
Preferably, in the above-mentioned wind farm real-time monitoring system, the field control module includes:
an instruction receiving unit for receiving a control instruction in real time;
the control end is electrically connected with the instruction receiving unit and the wind power equipment and is used for adjusting the running action of the fan equipment according to the information carried by the control instruction;
the signal triggering unit is connected with the control end and is used for generating control result information of a control action after the control end completes the control action.
Preferably, in the above-mentioned wind farm real-time monitoring system, the wind power monitoring module includes:
the wind power monitor is arranged on a tower of the wind power equipment and is used for acquiring wind direction data and wind speed data of the wind power equipment in the environment in real time;
The monitoring cloud platform I is connected with the wind power monitor and used for acquiring monitored wind direction data and wind speed data in real time, and inserting identifiers carrying time information and positioning information of the wind power equipment into the data to generate real-time wind power data.
Preferably, in the above-mentioned wind farm real-time monitoring system, the power monitoring module includes:
the signal amplifier is electrically connected with the booster station of the wind power equipment and is used for amplifying a current signal and a voltage signal of the output end of the booster station;
The current sensor is connected with the output end of the signal amplifier and is used for detecting the amplified current signal and generating current data;
The voltage sensor is connected with the output end of the signal amplifier and is used for detecting the amplified voltage signal and generating voltage data;
And the monitoring cradle head II is connected with the current sensor and the voltage sensor and is used for acquiring detected current data and voltage data in real time, and inserting an identifier carrying time information and positioning information of the booster station into the data to generate real-time power data.
Preferably, in the above-mentioned wind farm real-time monitoring system, the fault monitoring module includes:
the vibration monitoring unit is arranged on the blade, the transmission part and the generator of the wind power equipment and is used for detecting vibration frequency data of the blade, the transmission structure and the generator;
and the monitoring tripod head III is connected with the vibration monitoring unit and is used for acquiring the detected vibration frequency data in real time, inserting identifiers carrying time information and the positioning information of the blade, the transmission part and the generator into the data, and generating real-time vibration frequency data.
Preferably, in the above-mentioned wind farm real-time monitoring system, the summary analysis module includes:
The summarizing unit is in signal connection with the first monitoring tripod head, the second monitoring tripod head and the third monitoring tripod head, and is used for acquiring real-time wind power data, real-time power data and real-time vibration data, and dividing the real-time wind power data, the real-time power data and the real-time vibration data of the same time information into the same data set according to identifiers carried by the data;
The wind power analysis unit is connected with the summarizing unit and is used for acquiring real-time wind power data in a data set corresponding to the moment, calculating an ideal deflection angle of the blade according to a preset power maximization criterion and wind direction data and wind speed data in the real-time wind power data, and correspondingly generating a deflection instruction and a shutdown instruction;
The power failure analysis unit is connected with the summarizing unit and is used for acquiring real-time power data in a data set corresponding to the moment, comparing preset current standards and voltage standards with current data and voltage data in the real-time power data respectively, and generating a power generation abnormal instruction according to a comparison result;
the equipment fault analysis unit is connected with the summarizing unit and is used for acquiring real-time vibration frequency data in the data set corresponding to the moment, extracting the characteristics of each vibration frequency data in the real-time vibration frequency data, matching the characteristics with preset fault characteristics and generating an operation fault instruction according to a matching result;
The command issuing unit is connected with the wind power analysis unit, the power failure analysis unit, the equipment failure analysis unit and the command receiving unit and is used for sending the generated deflection command, shutdown command, power generation abnormality command and operation failure command to the command receiving unit;
And the alarm generating unit is connected with the wind power analysis unit, the power failure analysis unit and the equipment failure analysis unit and is used for generating an alarm signal corresponding to an instruction when any instruction is detected, inserting an analysis result corresponding to the instruction into the alarm signal, and the analysis result also comprises positioning information of the abnormal equipment.
Preferably, in the above-mentioned wind farm real-time monitoring system, the summary analysis module further includes:
The priority judging unit is connected with the output end of the instruction issuing unit and is used for intercepting the instruction which is ready to be output by the instruction issuing unit according to a preset interception criterion;
The preset interception criterion is that the priority judging unit classifies the instructions output by the instruction issuing unit, classifies deflection instructions and shutdown instructions into adjustment instructions, and classifies abnormal power generation instructions and operation fault instructions into fault instructions; when the priority judging unit detects that any fault type instruction exists in the instructions output by the instruction issuing unit, the output adjustment type instruction is intercepted until the fault type instruction is eliminated.
Preferably, in the above-mentioned wind farm real-time monitoring system, the alarm feedback module includes:
the alarm unit I is connected with the alarm generating unit and is used for receiving the alarm signal, restoring the analysis result carried by the alarm signal, sending the analysis result to an maintainer and executing an alarm action;
the alarm unit II is connected with the alarm generating unit and the signal triggering unit and is used for restoring an analysis result carried by the alarm signal and comparing the analysis result with control result information; generating a recovery feedback signal when the control result information is consistent with the analysis result, generating a fault feedback signal when the control result information is inconsistent with the analysis result, transmitting the recovery feedback signal and the fault feedback signal to an maintainer, and executing an alarm action;
the terminal equipment is connected with the first alarm unit and the second alarm unit, is carried by an maintainer, is used for displaying analysis results, recovering feedback signals and fault feedback signals, and can execute alarm actions.
A real-time monitoring method for a wind farm comprises the following steps:
s1, establishing a field control end, adjusting the running state of the wind power equipment by remotely receiving a control instruction, and generating control result information of the control process after the adjustment is finished;
S2, setting monitoring sensing equipment on key components of the wind power equipment, acquiring wind power parameters, electric power parameters and vibration frequency parameters of the wind power equipment in the running process, and inserting corresponding time marks and position marks on the parameters;
S3, summarizing the detected parameters, and respectively analyzing the wind power parameters, the electric power parameters and the vibration frequency parameters according to a preset diagnosis criterion; calculating an ideal deflection angle of the blade according to a preset power maximization criterion and wind direction data and wind speed data in real-time wind power data, and correspondingly generating a deflection instruction and a shutdown instruction; comparing current data and voltage data in the real-time power data according to a preset current standard and a voltage standard, and generating a power generation abnormal instruction according to a comparison result; extracting characteristics of each vibration frequency data in the real-time vibration frequency data, matching the characteristics with preset fault characteristics, and generating an operation fault instruction according to a matching result;
S4, classifying the generated instructions, dividing the deflection instructions and the shutdown instructions into adjustment instructions, and dividing the abnormal power generation instructions and the operation fault instructions into fault instructions;
S5, judging the instruction before issuing the instruction to the site control end, and intercepting the output adjustment instruction until the failure instruction is eliminated when any failure instruction exists in the output instruction;
S6, sending the analysis result and the generated instruction to a device terminal in an maintainer, and carrying out first alarm through the device terminal; and acquiring control result information output by the field control end after the control process, matching the control result information with an analysis result, and carrying out secondary alarm through the equipment terminal when the matching fails.
Preferably, in the above method for monitoring a wind farm in real time, the calculating the ideal deflection angle of the blade according to a preset power maximization criterion and wind direction data and wind speed data in real time wind data, and correspondingly generating a deflection instruction and a shutdown instruction includes:
When the wind speed data is too low, generating a shutdown instruction, and remotely controlling the wind power equipment to stop running;
When wind direction data are not ideal and wind speed data meet operation standards, calculating ideal deflection angles of the blades and generating corresponding deflection instructions, and remotely controlling the blades to deflect to the ideal deflection angles.
Compared with the prior art, the application has the beneficial effects that:
The invention provides a real-time monitoring system and a real-time monitoring method for a wind farm, wherein key operation parameters are obtained in real time through each monitoring module, the key parameters are analyzed through a summarizing and analyzing module, the optimal ideal operation state is obtained, and fault information is found in time; transmitting the ideal running state and fault information to a field control module in a command mode, controlling equipment to run, and generating result information after the control process is finished; the alarm feedback module receives the fault information to perform primary alarm, and performs secondary alarm by comparing the result information with the ideal running state; the fault instructions are preferentially acquired while the instructions are issued, and the adjustment instructions are intercepted; the invention realizes the comprehensive detection of the operation parameters and improves the fault detection accuracy; ; the blade angle is adjusted in time, and the power output is maximized; the operation of the fan is stopped in time, and useless power consumption is avoided; through intercepting the regulation instruction, the operation when the fault condition exists is avoided, the fault is prevented from being aggravated, and the safety of the wind farm is improved through double alarms.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of the system of the present invention;
fig. 2 is a flow chart of the method of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the present invention, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In one embodiment, referring to fig. 1, a wind farm real-time monitoring system includes:
The on-site control module is used for adjusting the operation action of the wind power equipment according to the control instruction and generating corresponding control result information according to the adjustment process;
the wind power monitoring module is connected with the wind power equipment and is used for detecting wind speed data in the current environment;
the power monitoring module is connected with the wind power equipment and is used for detecting power data output by the current wind power equipment;
The fault monitoring module is connected with the wind power equipment and is used for detecting the operation parameter data of the current wind power equipment;
The summarizing and analyzing module is connected with the wind power monitoring module, the electric power monitoring module and the fault monitoring module and is used for acquiring and analyzing wind speed data, electric power data and operation parameter data, correspondingly generating a control instruction and an alarm signal according to an analysis result, and sending the control instruction to the site control module for remote control;
The alarm feedback module is connected with the summarizing and analyzing module and the field control module and is used for receiving the control result information, comparing the control result information with the information carried by the alarm signal and generating a feedback signal according to the comparison result; and the alarm feedback module completes the alarm action to the personnel according to the alarm signal and the feedback signal.
The principle of the above embodiment is: the on-site control module receives the control instruction, adjusts the running action of the wind power equipment according to the instruction, and feeds back control result information generated in the adjusting process to the alarm feedback module; the wind power monitoring module detects wind speed data in the environment, the power monitoring module detects power data output by wind power equipment, and the fault monitoring module detects operation parameter data of the wind power equipment; the modules are connected to form a network, and data are transmitted to the summarization analysis module; the summarizing and analyzing module receives and summarizes wind speed data, power data and operation parameter data and analyzes the wind speed data, the power data and the operation parameter data; according to the analysis result, the module can generate corresponding control instructions and alarm signals; the control instruction is remotely controlled through connection with the field control module so as to regulate the operation of the wind power equipment; the alarm signal is sent to personnel through the connection with the alarm feedback module; the alarm feedback module receives the control result information and compares the control result information with the information carried by the alarm signal; and according to the comparison result, the module generates a feedback signal to finish the alarm action to the personnel.
The beneficial effects of the embodiment are as follows: the wind power equipment monitoring system can realize real-time monitoring and remote control of the wind power equipment, management and fault early warning of the wind power plant are realized through the data analysis and alarm feedback module, and the safety and efficiency of the wind power plant are improved.
In order to further optimize the above technical solution, referring to fig. 1, a real-time monitoring system for a wind farm, a field control module includes:
an instruction receiving unit for receiving a control instruction in real time;
The control end is electrically connected with the instruction receiving unit and the fan equipment and is used for adjusting the operation action of the fan equipment according to the information carried by the control instruction;
the signal triggering unit is connected with the control end and is used for generating control result information of a control action after the control end completes the control action.
It should be noted that, some wind turbines are provided with field control devices for controlling the running states of blades, generators and other components; the implementation realizes remote and flexible control by adding the instruction receiving unit, and generates the control result information of a control action after the control end completes the control action, thereby being beneficial to optimizing the operation and fault diagnosis of the equipment.
In order to further optimize the above technical solution, referring to fig. 1, a wind farm real-time monitoring system, a wind monitoring module includes:
The wind power monitor is arranged on a tower of the wind power equipment and is used for acquiring wind direction data and wind speed data of the wind power equipment in the environment in real time;
the monitoring cloud platform I is connected with the wind power monitor and used for acquiring the monitored wind direction data and the wind speed data in real time, and inserting an identifier carrying time information and positioning information of the wind power equipment into the data to generate real-time wind power data.
The monitoring cloud platform I can be arranged near the unit or remote according to the requirements, is connected with the wind power monitor in a wired mode if the monitoring cloud platform I is near the unit, and is connected with the wind power monitor in a wireless mode if the monitoring cloud platform I is remote; the detection principle of the wind power monitor is the prior art means; the embodiment realizes the real-time monitoring of the wind direction and the wind speed of the environment where the wind power equipment is located, the data are very important for the operation and the management of the wind power plant, accurate wind power data can help to optimize the rotation speed and the angle of the wind power equipment, ensure the maximum utilization of wind energy, and simultaneously, the real-time wind power data are also helpful for early warning of possible storm or other severe weather conditions and reduce the risks of damage and faults of the wind power equipment; the insertion of the identifier carrying the time information and the wind power equipment positioning information can provide information for subsequent diagnosis and maintenance.
In order to further optimize the above technical solution, please refer to fig. 1, a wind farm real-time monitoring system, a power monitoring module includes:
The signal amplifier is electrically connected with the booster station of the wind power equipment and is used for amplifying current signals and voltage signals at the output end of the booster station;
the current sensor is connected with the output end of the signal amplifier and is used for detecting the amplified current signal and generating current data;
The voltage sensor is connected with the output end of the signal amplifier and is used for detecting the amplified voltage signal and generating voltage data;
And the monitoring cradle head II is connected with the current sensor and the voltage sensor and is used for acquiring the detected current data and voltage data in real time, and inserting an identifier carrying time information and positioning information of the booster station into the data to generate real-time power data.
The signal amplifier is arranged on a booster station connection circuit in the wind power plant in parallel, when electric energy conversion occurs, the signal amplifier amplifies current and voltage signals in real time, and a current sensor and a voltage sensor detect current and voltage in the circuit; the operation principle of the monitoring cradle head II is the same as that of the monitoring cradle head I; according to the embodiment, through the combination of the signal amplifier, the current sensor and the voltage sensor, the current and voltage conditions of the wind power equipment can be monitored in real time, and power calculation, energy generation estimation, load analysis and the like can be performed based on current and voltage data so as to optimize equipment operation and energy utilization; in addition, the real-time power data is also beneficial to monitoring the state and fault early warning of wind power equipment, and the safe and stable operation of the wind power plant is ensured.
In order to further optimize the above technical solution, referring to fig. 1, a real-time monitoring system for a wind farm, a fault monitoring module includes:
the vibration monitoring unit is arranged on the blades, the transmission part and the generator of the wind power equipment and is used for detecting vibration frequency data of the blades, the transmission structure and the generator;
And the monitoring tripod head III is connected with the vibration monitoring unit and is used for acquiring the detected vibration frequency data in real time, inserting identifiers carrying time information and positioning information of the blade, the transmission part and the generator into the data, and generating real-time vibration frequency data.
It should be noted that, the detection principle of the vibration monitoring unit is the prior art means; the operation principle of the monitoring tripod head III is the same as that of the monitoring tripod head I and the monitoring tripod head II, and the monitoring tripod head III and the monitoring tripod head II can be used in a fused way; the embodiment can help identify problems of wear of the blades, unbalance of the transmission parts, failure of the generator, etc., and facilitate early maintenance or replacement measures to avoid further damage of the equipment and increase of downtime.
In order to further optimize the above technical solution, please refer to fig. 1, a wind farm real-time monitoring system, a summary analysis module includes:
The summarizing unit is in signal connection with the first monitoring tripod head, the second monitoring tripod head and the third monitoring tripod head, and is used for acquiring real-time wind power data, real-time electric power data and real-time vibration data, and dividing the real-time wind power data, the real-time electric power data and the real-time vibration data of the same time information into the same data set according to identifiers carried by the data;
The wind power analysis unit is connected with the summarizing unit and is used for acquiring real-time wind power data in a data set corresponding to the moment, calculating an ideal deflection angle of the blade according to a preset power maximization criterion and wind direction data and wind speed data in the real-time wind power data, and correspondingly generating a deflection instruction and a shutdown instruction;
the power failure analysis unit is connected with the summarizing unit and is used for acquiring real-time power data in a data set corresponding to the moment, comparing preset current standards and voltage standards with current data and voltage data in the real-time power data respectively, and generating a power generation abnormal instruction according to a comparison result;
The equipment fault analysis unit is connected with the summarizing unit and is used for acquiring real-time vibration frequency data in the data set corresponding to the moment, extracting the characteristics of each vibration frequency data in the real-time vibration frequency data, matching the characteristics with preset fault characteristics and generating an operation fault instruction according to a matching result;
The instruction issuing unit is connected with the wind power analysis unit, the power failure analysis unit, the equipment failure analysis unit and the instruction receiving unit and is used for sending the generated deflection instruction, the shutdown instruction, the power generation abnormal instruction and the operation failure instruction to the instruction receiving unit;
and the alarm generating unit is connected with the wind power analysis unit, the power failure analysis unit and the equipment failure analysis unit and is used for generating an alarm signal corresponding to the instruction when any instruction is detected, inserting an analysis result corresponding to the instruction into the alarm signal, and the analysis result also comprises positioning information of the abnormal equipment.
The wind power analysis unit judges whether the wind power is abnormal or not, and by monitoring the wind power in real time, partial equipment of the wind power plant can be closed when the mechanical energy conversion is not obvious when the wind power is too small, so that the consumption of energy is saved, measures can be taken when the wind power is too large, damage to the blades in the rotating process due to the too large wind power is avoided, and the angles of the blades are adjusted according to the wind direction; wherein, the threshold value of the wind speed is 3m/s and 25m/s respectively; because the output voltage of the booster station is constant, the power failure analysis unit judges whether the voltage and the current value are abnormal or not, and the current and the voltage value of the circuit can be monitored in real time by connecting the monitoring circuit in parallel to the circuit for converting the electric energy, so that the wind power plant failure caused by the circuit failure is avoided; the standards of the voltage and current values are set according to actual conditions; ; the equipment fault analysis unit compares the threshold value of the vibration frequency with the detected vibration data, and can monitor the running state of the equipment in real time; wherein the threshold range of the vibration frequency is 4-30 HZ; the deflection command, the shutdown command, the power generation abnormal command and the operation fault command in the embodiment are in one-to-one correspondence with the ideal blade angle, the wind speed excessively small shutdown, the voltage and current abnormality and the vibration frequency abnormality; the embodiment realizes centralized management and analysis of real-time data, and carries out corresponding fault judgment and instruction generation.
In order to further optimize the above technical solution, please refer to fig. 1, a wind farm real-time monitoring system, the summarizing and analyzing module further includes:
The priority judging unit is connected with the output end of the instruction issuing unit and is used for intercepting the instruction which is ready to be output by the instruction issuing unit according to a preset interception criterion;
The preset interception criterion is that the priority judging unit classifies the instructions output by the instruction issuing unit, classifies the deflection instructions and the shutdown instructions into adjustment instructions, and classifies the abnormal power generation instructions and the operation fault instructions into fault instructions; when the priority judging unit detects that any fault type instruction exists in the instructions output by the instruction issuing unit, the output adjustment type instruction is intercepted until the fault type instruction is eliminated.
In the state of faults, the angle of the blade is prevented from being regulated even if the wind speed is proper, so that the regulation and the stop of the blade are prevented by adopting the form of command type division and interception, and personnel actively participate in the regulation process; the embodiment can ensure the timely treatment of equipment faults, reduce further damage and increase downtime.
In order to further optimize the above technical solution, please refer to fig. 1, a wind farm real-time monitoring system, an alarm feedback module includes:
The alarm unit I is connected with the alarm generating unit and is used for receiving the alarm signal, restoring the analysis result carried by the alarm signal, sending the analysis result to an maintainer and executing an alarm action;
The alarm unit II is connected with the alarm generating unit and the signal triggering unit and is used for restoring an analysis result carried by the alarm signal and comparing the analysis result with control result information; generating a recovery feedback signal when the control result information is consistent with the analysis result, generating a fault feedback signal when the control result information is inconsistent with the analysis result, transmitting the recovery feedback signal and the fault feedback signal to an maintainer, and executing an alarm action;
The terminal equipment is connected with the first alarm unit and the second alarm unit, is carried by an maintainer, is used for displaying analysis results, recovering feedback signals and fault feedback signals, and can execute alarm actions.
It should be noted that, this embodiment realizes dual alarm, namely, analysis result alarm and execution result alarm, and the use of terminal equipment can also improve the efficiency of fault processing and the response capability of related personnel, so as to realize the effect of providing timely and accurate alarm feedback.
A real-time monitoring method for a wind farm comprises the following steps:
s1, establishing a field control end, adjusting the running state of wind power equipment by remotely receiving a control instruction, and generating control result information of the control process after the adjustment is finished;
S2, setting monitoring sensing equipment on key components of the wind power equipment, acquiring wind power parameters, electric power parameters and vibration frequency parameters of the wind power equipment in the running process, and inserting corresponding time marks and position marks on the parameters;
s3, summarizing the detected parameters, and respectively analyzing the wind power parameters, the electric power parameters and the vibration frequency parameters according to a preset diagnosis criterion; calculating an ideal deflection angle of the blade according to a preset power maximization criterion and wind direction data and wind speed data in real-time wind power data, and correspondingly generating a deflection instruction and a shutdown instruction; comparing current data and voltage data in the real-time power data according to a preset current standard and a voltage standard, and generating a power generation abnormal instruction according to a comparison result; extracting characteristics of each vibration frequency data in the real-time vibration frequency data, matching the characteristics with preset fault characteristics, and generating an operation fault instruction according to a matching result;
S4, classifying the generated instructions, dividing the deflection instructions and the shutdown instructions into adjustment instructions, and dividing the abnormal power generation instructions and the operation fault instructions into fault instructions;
S5, judging the instruction before issuing the instruction to the site control end, and intercepting the output adjustment instruction until the fault instruction is eliminated when any fault instruction exists in the output instruction;
S6, sending the analysis result and the generated instruction to a device terminal in an maintainer, and carrying out first alarm through the device terminal; and acquiring control result information output by the field control end after the control process, matching the control result information with an analysis result, and carrying out secondary alarm through the equipment terminal when the matching fails.
The principle of the above embodiment is: the method comprises the steps of remotely receiving a control instruction through a field control terminal, adjusting the running state of wind power equipment, and recording control result information of the current control process; setting monitoring sensing equipment on key components of wind power equipment, acquiring parameters such as wind power, electric power, vibration frequency and the like, and inserting time marks and position marks into the data; then, summarizing the detected parameters, and analyzing wind power, electric power and vibration frequency parameters according to a preset diagnosis criterion; generating a deflection instruction and a shutdown instruction according to the power maximization criterion and the real-time wind power data; comparing a preset current standard, a preset voltage standard and real-time power data to generate a power generation abnormal instruction; extracting characteristics of the real-time vibration frequency data and matching the characteristics with preset fault characteristics to generate an operation fault instruction; the generated instructions are classified into an adjustment class instruction and a fault class instruction; before issuing an instruction, judging whether a fault type instruction exists or not; if the fault type instruction exists, intercepting the output of the adjustment type instruction until the fault type instruction is eliminated; the analysis result and the generated instruction are sent to the equipment terminal of the maintainer to carry out the first alarm; after the control result information of the field control end is obtained, matching the analysis result, and if the matching fails, performing a second alarm.
The beneficial effects of the embodiment are as follows: real-time monitoring and fault diagnosis of the wind power plant are realized; by monitoring parameters such as wind power, electric power, vibration frequency and the like in real time and combining preset diagnosis criteria, the running state and potential faults of the wind power equipment can be rapidly and accurately judged; by intercepting the adjustment instructions, the priority execution of the fault instructions is ensured, and personnel are ensured to take measures in time to treat equipment faults; ; the alarm function can improve timeliness and effect of fault treatment and ensure safe and stable operation of the wind power plant.
In order to further optimize the above technical solution, referring to fig. 2, a method for real-time monitoring a wind farm calculates an ideal deflection angle of a blade according to a preset power maximizing criterion and wind direction data and wind speed data in real-time wind data, and correspondingly generates a deflection instruction and a shutdown instruction, which includes:
when the wind speed data is too low, a shutdown instruction is generated, and the wind power equipment is remotely controlled to stop running;
When the wind direction data is not ideal and the wind speed data accords with the operation standard, calculating the ideal deflection angle of the blade, generating a corresponding deflection instruction, and remotely controlling the deflection of the blade to the ideal deflection angle.
It should be noted that, realizing real-time optimization control of wind power equipment; according to wind speed and wind direction data, calculating an optimal blade deflection angle, so that wind power equipment can run on an optimal working point, and the energy conversion efficiency and the power generation capacity are improved; meanwhile, by generating the shutdown instruction, invalid operation under the condition of low wind speed can be effectively avoided, the service life of the equipment is prolonged, and the loss is reduced.
It should be noted that, in the system provided in the foregoing embodiment, only the division of the foregoing functional modules is illustrated, in practical application, the foregoing functional allocation may be performed by different functional modules, that is, the modules or steps in the embodiment of the present invention are further decomposed or combined, for example, the modules in the foregoing embodiment may be combined into one module, or may be further split into multiple sub-modules, so as to complete all or part of the functions described above. The names of the modules and steps related to the embodiments of the present invention are merely for distinguishing the respective modules or steps, and are not to be construed as unduly limiting the present invention.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the appended claims and their equivalents, the present invention is intended to include such modifications and variations as would be included in the above description of the disclosed embodiments, enabling those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A real-time monitoring system for a wind farm, comprising:
The on-site control module is used for adjusting the operation action of the wind power equipment according to the control instruction and generating corresponding control result information according to the adjustment process;
the wind power monitoring module is connected with the wind power equipment and is used for detecting wind speed data in the current environment;
the power monitoring module is connected with the wind power equipment and is used for detecting the current power data output by the wind power equipment;
The fault monitoring module is connected with the wind power equipment and used for detecting the current operation parameter data of the wind power equipment;
The summarizing and analyzing module is connected with the wind power monitoring module, the electric power monitoring module and the fault monitoring module and is used for acquiring and analyzing wind speed data, electric power data and operation parameter data, correspondingly generating a control instruction and an alarm signal according to an analysis result, and sending the control instruction to the field control module for remote control;
The alarm feedback module is connected with the summarizing and analyzing module and the field control module and is used for receiving control result information, comparing the control result information with information carried by an alarm signal and generating a feedback signal according to a comparison result; and the alarm feedback module completes the alarm action to the personnel according to the alarm signal and the feedback signal.
2. The wind farm real time monitoring system of claim 1, wherein the field control module comprises:
an instruction receiving unit for receiving a control instruction in real time;
the control end is electrically connected with the instruction receiving unit and the wind power equipment and is used for adjusting the running action of the fan equipment according to the information carried by the control instruction;
the signal triggering unit is connected with the control end and is used for generating control result information of a control action after the control end completes the control action.
3. The wind farm real time monitoring system according to claim 2, wherein the wind monitoring module comprises:
the wind power monitor is arranged on a tower of the wind power equipment and is used for acquiring wind direction data and wind speed data of the wind power equipment in the environment in real time;
The monitoring cloud platform I is connected with the wind power monitor and used for acquiring monitored wind direction data and wind speed data in real time, and inserting identifiers carrying time information and positioning information of the wind power equipment into the data to generate real-time wind power data.
4. A wind farm real time monitoring system according to claim 3, wherein the power monitoring module comprises:
the signal amplifier is electrically connected with the booster station of the wind power equipment and is used for amplifying a current signal and a voltage signal of the output end of the booster station;
The current sensor is connected with the output end of the signal amplifier and is used for detecting the amplified current signal and generating current data;
The voltage sensor is connected with the output end of the signal amplifier and is used for detecting the amplified voltage signal and generating voltage data;
And the monitoring cradle head II is connected with the current sensor and the voltage sensor and is used for acquiring detected current data and voltage data in real time, and inserting an identifier carrying time information and positioning information of the booster station into the data to generate real-time power data.
5. The wind farm real time monitoring system of claim 4, wherein the fault monitoring module comprises:
the vibration monitoring unit is arranged on the blade, the transmission part and the generator of the wind power equipment and is used for detecting vibration frequency data of the blade, the transmission structure and the generator;
and the monitoring tripod head III is connected with the vibration monitoring unit and is used for acquiring the detected vibration frequency data in real time, inserting identifiers carrying time information and the positioning information of the blade, the transmission part and the generator into the data, and generating real-time vibration frequency data.
6. The wind farm real-time monitoring system of claim 5, wherein the summary analysis module comprises:
The summarizing unit is in signal connection with the first monitoring tripod head, the second monitoring tripod head and the third monitoring tripod head, and is used for acquiring real-time wind power data, real-time power data and real-time vibration data, and dividing the real-time wind power data, the real-time power data and the real-time vibration data of the same time information into the same data set according to identifiers carried by the data;
The wind power analysis unit is connected with the summarizing unit and is used for acquiring real-time wind power data in a data set corresponding to the moment, calculating an ideal deflection angle of the blade according to a preset power maximization criterion and wind direction data and wind speed data in the real-time wind power data, and correspondingly generating a deflection instruction and a shutdown instruction;
The power failure analysis unit is connected with the summarizing unit and is used for acquiring real-time power data in a data set corresponding to the moment, comparing preset current standards and voltage standards with current data and voltage data in the real-time power data respectively, and generating a power generation abnormal instruction according to a comparison result;
the equipment fault analysis unit is connected with the summarizing unit and is used for acquiring real-time vibration frequency data in the data set corresponding to the moment, extracting the characteristics of each vibration frequency data in the real-time vibration frequency data, matching the characteristics with preset fault characteristics and generating an operation fault instruction according to a matching result;
The command issuing unit is connected with the wind power analysis unit, the power failure analysis unit, the equipment failure analysis unit and the command receiving unit and is used for sending the generated deflection command, shutdown command, power generation abnormality command and operation failure command to the command receiving unit;
And the alarm generating unit is connected with the wind power analysis unit, the power failure analysis unit and the equipment failure analysis unit and is used for generating an alarm signal corresponding to an instruction when any instruction is detected, inserting an analysis result corresponding to the instruction into the alarm signal, and the analysis result also comprises positioning information of the abnormal equipment.
7. The wind farm real-time monitoring system of claim 6, wherein the summary analysis module further comprises:
The priority judging unit is connected with the output end of the instruction issuing unit and is used for intercepting the instruction which is ready to be output by the instruction issuing unit according to a preset interception criterion;
The preset interception criterion is that the priority judging unit classifies the instructions output by the instruction issuing unit, classifies deflection instructions and shutdown instructions into adjustment instructions, and classifies abnormal power generation instructions and operation fault instructions into fault instructions; when the priority judging unit detects that any fault type instruction exists in the instructions output by the instruction issuing unit, the output adjustment type instruction is intercepted until the fault type instruction is eliminated.
8. The wind farm real-time monitoring system of claim 7, wherein the alarm feedback module comprises:
the alarm unit I is connected with the alarm generating unit and is used for receiving the alarm signal, restoring the analysis result carried by the alarm signal, sending the analysis result to an maintainer and executing an alarm action;
the alarm unit II is connected with the alarm generating unit and the signal triggering unit and is used for restoring an analysis result carried by the alarm signal and comparing the analysis result with control result information; generating a recovery feedback signal when the control result information is consistent with the analysis result, generating a fault feedback signal when the control result information is inconsistent with the analysis result, transmitting the recovery feedback signal and the fault feedback signal to an maintainer, and executing an alarm action;
the terminal equipment is connected with the first alarm unit and the second alarm unit, is carried by an maintainer, is used for displaying analysis results, recovering feedback signals and fault feedback signals, and can execute alarm actions.
9. A method for monitoring a wind farm in real time, based on the wind farm real time monitoring system according to claims 1-8, characterized by comprising the following steps:
s1, establishing a field control end, adjusting the running state of the wind power equipment by remotely receiving a control instruction, and generating control result information of the control process after the adjustment is finished;
S2, setting monitoring sensing equipment on key components of the wind power equipment, acquiring wind power parameters, electric power parameters and vibration frequency parameters of the wind power equipment in the running process, and inserting corresponding time marks and position marks on the parameters;
S3, summarizing the detected parameters, and respectively analyzing the wind power parameters, the electric power parameters and the vibration frequency parameters according to a preset diagnosis criterion; calculating an ideal deflection angle of the blade according to a preset power maximization criterion and wind direction data and wind speed data in real-time wind power data, and correspondingly generating a deflection instruction and a shutdown instruction; comparing current data and voltage data in the real-time power data according to a preset current standard and a voltage standard, and generating a power generation abnormal instruction according to a comparison result; extracting characteristics of each vibration frequency data in the real-time vibration frequency data, matching the characteristics with preset fault characteristics, and generating an operation fault instruction according to a matching result;
S4, classifying the generated instructions, dividing the deflection instructions and the shutdown instructions into adjustment instructions, and dividing the abnormal power generation instructions and the operation fault instructions into fault instructions;
S5, judging the instruction before issuing the instruction to the site control end, and intercepting the output adjustment instruction until the failure instruction is eliminated when any failure instruction exists in the output instruction;
S6, sending the analysis result and the generated instruction to a device terminal in an maintainer, and carrying out first alarm through the device terminal; and acquiring control result information output by the field control end after the control process, matching the control result information with an analysis result, and carrying out secondary alarm through the equipment terminal when the matching fails.
10. The method according to claim 9, wherein calculating the ideal yaw angle of the blade according to the preset power maximizing criteria and wind direction data and wind speed data in the real-time wind data, and generating the yaw command and the shutdown command correspondingly comprises:
When the wind speed data is too low, generating a shutdown instruction, and remotely controlling the wind power equipment to stop running;
When wind direction data are not ideal and wind speed data meet operation standards, calculating ideal deflection angles of the blades and generating corresponding deflection instructions, and remotely controlling the blades to deflect to the ideal deflection angles.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118469255A (en) * | 2024-07-10 | 2024-08-09 | 华能信息技术有限公司 | Wind power network service flow control system |
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