CN110045165B - Anti-private transformer user continuous electricity stealing method - Google Patents
Anti-private transformer user continuous electricity stealing method Download PDFInfo
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- CN110045165B CN110045165B CN201810035652.7A CN201810035652A CN110045165B CN 110045165 B CN110045165 B CN 110045165B CN 201810035652 A CN201810035652 A CN 201810035652A CN 110045165 B CN110045165 B CN 110045165B
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- 230000005611 electricity Effects 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 230000002265 prevention Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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Abstract
The invention provides a continuous electricity stealing method for an anti-private transformer user, which comprises the following steps: monitoring daily line loss rate delta P data of each high-voltage power supply circuit containing a special transformer user in a region under jurisdiction by taking monthly as a period; extracting a target line suspected of having a continuous type electricity stealing special transformer user; thirdly, the daily loss electric quantity delta W of the target line on the day that all the line loss quantities are unqualified in the monitoring month is callediData and daily power consumption P of each individual user included in target route corresponding to dayiData; fourthly, the continuous type electricity stealing special transformer user on the target line is locked by using the calculation result and the criterion; fifthly, calculating the electricity stealing amount of the locked continuous electricity stealing special transformer user to be supplemented. The invention can timely and accurately lock the continuous electricity stealing special transformer user on the power supply line and can conveniently calculate the electricity stealing amount which needs to be supplemented by the electricity stealing special transformer user.
Description
Technical Field
The invention relates to an anti-electricity-stealing method for a power supply part, in particular to a continuous type electricity-stealing method for an anti-special transformer user.
Background
Electricity stealing prevention is always an important task for the power supply sector. The transformer and other equipment of the special transformer user are customer assets, the installation position of the metering device is in the user jurisdiction range, and most of the equipment is provided with occupational electricians with corresponding electrical knowledge, so that the electricity stealing behavior of the special transformer user is more concealed and professional, the traditional and common electricity stealing method of the special transformer user is continuous electricity stealing, the electricity stealing method is characterized in that the electricity stealing is continuously carried out in a longer time period, the electricity stealing user generally adopts the methods of meter changing, adding a short-circuit (shunt) element in a metering loop, changing a CT variable ratio, removing a voltage crossover line, disconnecting a secondary line and the like by professionals to steal electricity, and the electricity stealing means has long-term property and stability. The traditional electricity stealing prevention method generally judges whether a user has electricity stealing behavior according to the field inspection condition of the user, and the electricity stealing concealment of the user is excellent due to the fact that a professional does the work, and the common appearance inspection is difficult to find the electricity stealing user.
In recent years, anti-private transformer user electricity stealing methods have been studied, for example, chinese patent publication No. CN104535813A discloses an electricity stealing prevention system and an electricity stealing judgment method for private transformer users, wherein a high-voltage electric energy integrated device, a micro-power wireless collector, a private transformer user electric energy collection terminal and a low-voltage electric energy metering device are installed to monitor electric energy data of a high-voltage side and a low-voltage side and upload the electric energy data to an electricity consumption information collection system master station, and the electricity consumption information collection system master station performs contrastive analysis of the high-voltage side and low-voltage side metering data on the data uploaded by the private transformer user electric energy collection terminal by using anti-theft point analysis dedicated software to discover and alarm electricity stealing behavior.
In recent years, with the vigorous advance of the construction of smart power grids of national power grid companies, an Open3000 system, a D5000 system (an upgraded version of Open 3000), a power utilization information acquisition system and a marketing system are built and put into operation one after another, real-time and non-real-time information of the power grids are highly integrated, shared and utilized, and comprehensive, complete and fine power business data streams are provided for operation and management personnel of all levels of power grids. The power supply management department can inquire real-time data and historical data of current, voltage, electric quantity and the like of a power supply line through an Open3000 system and/or a D5000 system; the daily loss electric quantity and the line loss rate of the power supply line and the real-time and historical power consumption data information such as the power consumption, the current, the voltage and the like of each power consumer can be conveniently inquired through the power consumption information acquisition system, and the basic information such as the contract capacity, the user position, the identity and the like of the power consumers can be conveniently inquired from the marketing system. How to effectively utilize the system and the information and construct a timely and effective continuous electricity stealing method for the special transformer users is a technical problem which is currently addressed by a power supply department.
Disclosure of Invention
The purpose of the invention is: the method can timely and accurately lock the continuous electricity stealing special transformer users on the power supply line and conveniently calculate the electricity stealing amount which needs to be supplemented by the electricity stealing special transformer users.
The technical scheme of the invention is as follows: the invention discloses a continuous electricity stealing method for anti-private-change users, which comprises the following steps:
monitoring daily line loss rate delta P data of each high-voltage power supply line containing a special transformer user in an area under the jurisdiction by using a monthly period through a door electricity information acquisition system of a power supply part;
if the daily line loss rate delta P of a certain high-voltage line is more than or equal to 5 percent, extracting the high-voltage line as a target line suspected of having a continuous electricity-stealing special transformer user, and defining the day when the daily line loss rate delta P is more than or equal to 5 percent as the day when the line loss amount is unqualified;
thirdly, the daily loss electric quantity delta W of the target line in the monitoring month on the day when all the line loss quantities of the target line are unqualified is obtained by the power information acquisition system for the power supply part dooriData and daily power consumption P of each individual user included in target route corresponding to dayiData;
locking a continuous type special power stealing transformer user on the target line:
firstly, calculating target line daily loss electric quantity delta W of the day on which the loss quantity of each line in the monitored month is unqualified by adopting the formula (2)iWith each individual subscriber on the target linePower consumption PiRatio K ofi：
Second, two adjacent K are calculated by adopting the formula (3)iDifference of (a) Δ Ki，
△Ki＝Ki-Ki-1 (3)
If a specific transformer user appears 5 continuous adjacent delta KiIf the absolute value of the special transformer is less than 0.01, the special transformer user is locked to be a continuous electricity stealing special transformer user;
calculating the electricity stealing amount required to be supplemented by the locked continuous electricity stealing special transformer user:
step one, calculating the electricity stealing proportion eta of the locked continuous electricity stealing special transformer user by adopting the formula (4):
wherein K is each K calculated in the step (iv)iAn arithmetic mean of the values;
secondly, calculating the electricity stealing amount W to be compensated by the locked continuous electricity stealing special transformer user by adopting the formula (5)q：
In the formula, WfThe continuous electricity stealing users who are locked collect the electricity quantity from the unqualified date of the loss quantity of the first line of the monitoring month to the date of confirming the electricity stealing on site by the power supply department.
The invention has the positive effects that: the continuous electricity stealing dedicated transformer user on the power supply line can be accurately and automatically identified and locked by analyzing the relevant historical data of the power supply department, the electricity stealing amount of the continuous electricity stealing dedicated transformer user to be supplemented can be quickly, conveniently and accurately determined, the accuracy and the reliability are higher, the cost is low, and the popularization is strong.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
(example 1)
The continuous electricity stealing method for the anti-private-change user is implemented by the following steps:
the method comprises the steps of monitoring daily line loss rate delta P data of each high-voltage power supply line containing a special transformer user in a region under the jurisdiction by an existing power utilization information acquisition system of a power supply department in a monthly period.
In the formula, WxgDaily power supply amount for a high-voltage power supply line; wxsSelling electric quantity for the high-voltage power supply line day by day; the daily line loss rate delta P data of each high-voltage power supply line can be directly acquired from a power supply department door through the conventional power utilization information acquisition system.
And secondly, if the daily line loss rate delta P of a certain high-voltage line is more than or equal to 5%, extracting the high-voltage line as a target line suspected of having a continuous electricity-stealing special transformer user, and defining the day when the daily line loss rate delta P is more than or equal to 5% as the day when the line loss amount is unqualified.
Thirdly, the daily loss electric quantity delta W of the target line in the monitoring month on the day that all the line loss quantities of the target line are unqualified is called from the existing power consumption information acquisition system of the power supply departmentiData and daily power consumption P of each individual user included in target route corresponding to dayiAnd (4) data.
Locking a continuous type special power stealing transformer user on the target line:
firstly, calculating target line daily loss electric quantity delta W of the day on which the loss quantity of each line in the monitored month is unqualified by adopting the formula (2)iThe electricity consumption P of each special transformer user on the target lineiRatio K ofi：
Second, two adjacent K are calculated by adopting the formula (3)iDifference of (a) Δ Ki，
△Ki＝Ki-Ki-1 (3)
If a specific transformer user appears 5 continuous adjacent delta KiIf the absolute value of the special transformer is less than 0.01, the special transformer user is locked to be a continuous power stealing special transformer user.
Calculating the electricity stealing amount required to be supplemented by the locked continuous electricity stealing special transformer user:
step one, calculating the electricity stealing proportion eta of the locked continuous electricity stealing special transformer user by adopting the formula (4):
wherein K is each K calculated in the step (iv)iAn arithmetic mean of the values;
secondly, calculating the electricity stealing amount W to be compensated by the locked continuous electricity stealing special transformer user by adopting the formula (5)q：
In the formula, WfThe continuous electricity stealing users who are locked collect the electricity quantity from the unqualified date of the loss quantity of the first line of the monitoring month to the date of confirming the electricity stealing on site by the power supply department.
The above embodiments are illustrative of specific embodiments of the present invention, and are not restrictive of the present invention, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the present invention to obtain corresponding equivalent technical solutions, and therefore all equivalent technical solutions should be included in the scope of the present invention.
Claims (1)
1. A continuous electricity stealing method for an anti-private-change user is characterized by comprising the following steps:
monitoring daily line loss rate delta P data of each high-voltage power supply line containing a special transformer user in an area under the jurisdiction by using a monthly period through a door electricity information acquisition system of a power supply part;
if the daily line loss rate delta P of a certain high-voltage line is more than or equal to 5 percent, extracting the high-voltage line as a target line suspected of having a continuous electricity-stealing special transformer user, and defining the day when the daily line loss rate delta P is more than or equal to 5 percent as the day when the line loss amount is unqualified;
thirdly, the daily loss electric quantity delta W of the target line in the monitoring month on the day when all the line loss quantities of the target line are unqualified is obtained by the power information acquisition system for the power supply part dooriData and daily power consumption P of each individual user included in target route corresponding to dayiData;
locking a continuous type special power stealing transformer user on the target line:
firstly, calculating target line daily loss electric quantity delta W of the day on which the loss quantity of each line in the monitored month is unqualified by adopting the formula (2)iThe electricity consumption P of each special transformer user on the target lineiRatio K ofi：
Second, two adjacent K are calculated by adopting the formula (3)iDifference of (a) Δ Ki，
△Ki＝Ki-Ki-1 (3)
If a specific transformer user appears 5 continuous adjacent delta KiIf the absolute value of the special transformer is less than 0.01, the special transformer user is locked to be a continuous electricity stealing special transformer user;
calculating the electricity stealing amount required to be supplemented by the locked continuous electricity stealing special transformer user:
step one, calculating the electricity stealing proportion eta of the locked continuous electricity stealing special transformer user by adopting the formula (4):
wherein K is each K calculated in the step (iv)iAn arithmetic mean of the values;
secondly, calculating the electricity stealing amount W to be compensated by the locked continuous electricity stealing special transformer user by adopting the formula (5)q：
In the formula, WfThe continuous electricity stealing users who are locked collect the electricity quantity from the unqualified date of the loss quantity of the first line of the monitoring month to the date of confirming the electricity stealing on site by the power supply department.
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