CN110635477A - Distribution network fault studying and judging method, device and system based on multi-system fusion - Google Patents
Distribution network fault studying and judging method, device and system based on multi-system fusion Download PDFInfo
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- CN110635477A CN110635477A CN201910937719.0A CN201910937719A CN110635477A CN 110635477 A CN110635477 A CN 110635477A CN 201910937719 A CN201910937719 A CN 201910937719A CN 110635477 A CN110635477 A CN 110635477A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- General Physics & Mathematics (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a distribution network fault studying and judging method, a distribution network fault studying and judging device and a distribution network fault studying and judging system based on multi-system fusion, wherein the method comprises the following contents: acquiring a power failure event signal from a corresponding system; and determining a corresponding studying and judging inlet according to the power failure event signal to comprehensively study and judge, and determining the type and the fault source of the power failure event. The system comprises: the acquisition module is used for acquiring power failure event signals from corresponding systems; and the studying and judging module is used for determining a corresponding studying and judging inlet according to the power failure event signal to comprehensively study and judge and determine the type and the fault source of the power failure event. The device comprises: a memory: for storing instructions; a processor: for operating in accordance with the instructions to perform the steps of the above-described method. The invention can improve the efficiency of fault research and judgment through multi-system fusion and provide powerful conditions for the subsequent maintenance process.
Description
Technical Field
The invention belongs to the technical field of power maintenance, and particularly relates to a distribution network fault studying and judging method, device and system based on multi-system fusion.
Background
The power distribution network is an important junction for connecting users and the transmission network, plays an important role in the operation of the whole power system, and can effectively ensure the operation efficiency and the power supply quality of the whole power system when the power distribution network normally works. The urgent repair efficiency of the power distribution network faults is more and more concerned, the production and life of users are directly influenced by the urgent repair efficiency of the faults, and the economical development and social stability are even influenced by the inefficient urgent repair service. However, the current determination process of the type and the fault source of the distribution network has the problem of low efficiency.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a distribution network fault studying and judging method, device and system based on multi-system fusion, which can improve the fault studying and judging efficiency through the multi-system fusion and provide powerful conditions for the subsequent fault handling process.
In order to solve the problems in the prior art, the invention discloses a distribution network fault studying and judging method based on multi-system fusion, which comprises the following steps:
acquiring a power failure event signal from a corresponding system;
and determining a corresponding studying and judging inlet according to the power failure event signal to comprehensively study and judge, and determining the type and the fault source of the power failure event.
Further, the air conditioner is provided with a fan,
if the power failure event signal is repair work order information of the 95598 system, the process of determining the power failure event is as follows:
judging whether the power failure event is a new power failure event or not, and if so, carrying out the next step;
acquiring the electrified state of the ammeter corresponding to the repair work order information, if the ammeter is in the electrified state, considering the power failure event as an indoor fault, and if not, performing the next step;
acquiring the charged states of other meters under the same access point, if the meters are in the power-off state, performing the next step, otherwise, the power-off event is a single-household power-off event;
and acquiring the electrified state of the distribution transformer to which the access point belongs, if the distribution transformer to which the access point belongs is in the power-off state, judging according to the power-off event of the distribution transformer to determine the event type and the fault source, and otherwise, determining the power-off event as a low-voltage fault power-off event and determining the fault source.
Further, the air conditioner is provided with a fan,
the process of judging whether the power failure event is a new power failure event is specifically as follows:
acquiring a power supply point of the ammeter in the current power grid operation state;
judging whether a homologous unarchived power failure event set exists or not, if so, judging the power failure event set to be a known power failure event and carrying out the next step, and otherwise, judging the power failure event set to be a new power failure event;
merging the signal of the outage event with a set of known outage events to update the set of outage events;
finding out power supply paths of all power failure distribution transformers in the power failure event set and newly received power failure signal distribution transformers;
finding out the farthest equipment with repeated power supply paths and taking the farthest equipment as a fault point;
further, the air conditioner is provided with a fan,
if the power failure event signal is a distribution transformer power failure event signal of the power utilization information acquisition system, the research and judgment process of the power failure event is as follows:
judging whether the power failure event is a new power failure event, if so, carrying out the next step, and otherwise, carrying out the next step;
judging the electrified state of other distribution transformers which are homologous with the power failure event, if the power failure events are all power loss, determining the power failure event as a low-voltage fault power failure event and determining a fault source, otherwise, determining the power failure event as a single distribution transformer power failure event;
and judging whether the power failure event is a displacement signal power failure event or not, and if so, judging according to the displacement signal power failure event to determine the event type and the fault source.
Further, the air conditioner is provided with a fan,
the process of judging whether the power failure event is a new power failure event is specifically as follows:
acquiring a power supply point of the distribution transformer in the current power grid operation state;
judging whether the power failure event is a planned power failure event or not, and if not, carrying out the next step;
and judging whether a power failure event with the same power supply point exists, if so, determining that the power failure event is a known power failure event, and otherwise, determining that the power failure event is a new power failure event.
Further, the air conditioner is provided with a fan,
if the power failure event signal is a switch displacement signal of the power distribution automation system, the research and judgment process of the power failure event is as follows:
judging whether the power failure event is a new power failure event or not, and if so, carrying out the next step;
and judging whether the power failure event is a branch switch deflection signal power failure event or a 10kV outgoing line tripping power failure event and determining a fault source.
Further, the air conditioner is provided with a fan,
the process of judging whether the power failure event is a new power failure event is specifically as follows:
judging whether the power failure event is a planned power failure event or not, and if not, carrying out the next step;
and determining the influence range of the power failure event, wherein if the influence range exists an intersection with the power failure equipment with known power failure, the power failure event is the known power failure event, and otherwise, the power failure event is a new power failure event.
Further, the air conditioner is provided with a fan,
if the power failure event is a plan event, the power failure event is associated with the maintenance plan; and if the power failure event is a known power failure event, merging the power failure event with the known power failure event.
The invention also provides a distribution network fault studying and judging system based on multi-system fusion, which comprises the following steps:
the acquisition module is used for acquiring power failure event signals from corresponding systems; and
and the studying and judging module is used for determining a corresponding studying and judging inlet according to the power failure event signal to carry out comprehensive studying and judging and determining the type and the fault source of the power failure event.
The invention also provides a distribution network fault studying and judging device based on multi-system fusion, which comprises the following components:
a memory: for storing instructions;
a processor: for operating in accordance with the instructions to perform the steps of the above-described method.
The invention has the following beneficial effects:
1) the power distribution network fault studying and judging method is beneficial to intelligent management and control of the power failure work orders, and the association model of the users, the equipment and the allocation of the rush-to-operate maintenance team is constructed through intelligent association of information such as the customers, the power distribution network topology, the equipment operation state and the maintenance plan, so that intelligent combination of the power failure work orders and auxiliary dispatching of the power failure work orders are realized, and the customer service level is improved.
2) According to the power distribution network fault studying and judging method, system data such as a 95598 system, a PMS2.0 system, a power distribution network automation system and a scheduling management system are integrated to form a power distribution network fault data source, faults of middle-voltage equipment and low-voltage equipment of a power distribution network are obtained and analyzed, data communication of a power distribution network association system is achieved on the basis of unification of power distribution network equipment models, and utilization efficiency of power distribution network data is effectively improved.
3) The power distribution network fault studying and judging method is beneficial to comprehensively and automatically studying and judging power failure faults and quickly and accurately positioning the power failure faults, judging the type of the fault power failure, the section with the fault and the process of the power failure influence range, fundamentally improving the operation efficiency of a distribution network and maintaining the safe operation of the distribution network.
4) The invention has the advantages of real-time power failure data sensing, adaptation to different transmission protocols and support of data exchange in any format. In addition, data service data exchange is supported, the data source directly reads data from a service interface of an application system, application integration is realized, and therefore complex business application can be realized, and the method has a good application prospect.
Drawings
FIG. 1 is a flow chart of distribution network fault diagnosis according to an embodiment of the present invention;
FIG. 2 is a flow chart of a known blackout work order merge in an embodiment of the present invention;
FIG. 3 is a flow chart of a test investigation in an embodiment of the present invention;
FIG. 4 is a flowchart illustrating extraction of distribution transformer to be tested according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the present invention provides a distribution network fault studying and judging method based on multi-system fusion, which includes the following steps:
a power outage event signal from the corresponding system is acquired.
And determining a corresponding studying and judging inlet according to the power failure event signal to comprehensively study and judge, and determining the type and the fault source of the power failure event. Specifically, the method comprises the following steps:
in one embodiment, if the power outage event signal is repair order information of the 95598 system, the process of determining the power outage event is as follows:
and S11, judging whether the power failure event is a new power failure event or not, and if so, carrying out the next step.
And S12, acquiring the charged state of the ammeter corresponding to the repair work order information, wherein if the ammeter is in the charged state, the power failure event is an indoor fault, and if not, the next step is carried out.
And S13, acquiring the charged states of other meters under the same access point according to the low-voltage topological relation, and if the meters are in the power-off state, performing the next step, otherwise, the power-off event is a single-household power-off event.
And S14, acquiring the electrified state of the distribution transformer to which the access point belongs, if the distribution transformer to which the access point belongs is in the power failure state, carrying out research and judgment according to the power failure event of the distribution transformer to determine the event type and the fault source, and if the distribution transformer is not in the power failure state, determining the fault source as the power failure event of the low-voltage fault.
It should be noted that the repair order information includes a user number and an address, matching of the distribution transformation can be performed according to the address, if the corresponding distribution transformation is matched, auxiliary dispatching is performed according to the distribution transformation, otherwise, auxiliary dispatching is performed according to the address and the historical information.
As shown in fig. 2, in an embodiment, the process of determining whether the blackout event is a new blackout event is specifically as follows:
and S111, acquiring a power supply point of the electric meter in the current power grid operation state.
S112, judging whether the power failure event exists in the maintenance plan, if so, determining that the power failure event is a planned power failure event, otherwise, performing the next step;
and S113, judging whether a power failure event set which is not archived by the homologous battery exists, if so, judging that the power failure event set is a known power failure event, and carrying out the next step, otherwise, judging that the power failure event set is a new power failure event.
And S114, combining the signal of the power failure event with a known power failure event set to update the power failure event set.
And S115, finding out power supply paths of all power failure distribution changes in the power failure event set and newly received power failure signal distribution changes.
And S116, finding out the farthest equipment with repeated power supply paths and taking the farthest equipment as a fault point.
In one embodiment, if the power failure event signal is a distribution transformer power failure event signal of the power consumption information acquisition system, the power failure event is determined as follows:
and S21, judging whether the power failure event is a new power failure event, if so, carrying out the next step, and otherwise, carrying out the next step.
And S22, searching the charged states of other distribution transformers which are the same as the power failure event through calling and testing, wherein if the power failure events are all power loss, the power failure event is a low-voltage fault power failure event and a fault source is determined, otherwise, the power failure event is a single distribution transformer power failure event. It should be noted that, the method for determining the fault source is as follows: and acquiring power supply paths of all power loss distribution transformers by combining with the topological relation of the distribution network, acquiring an intersection point of the power failure area by combining with the knowledge of graph theory, and taking the intersection point as a fault source of the power failure event. The method for determining the fault source is a method for determining the fault source in the prior art, and is not described in detail.
And S23, judging whether the power failure event is a displacement signal power failure event, and if so, judging according to the displacement signal power failure event to determine the event type and the fault source.
As shown in fig. 3, in one embodiment, the process of testing and evaluating is as follows:
if the type of the distribution transformer power failure event is a single distribution transformer power failure event, taking the distribution transformer as a starting point, and acquiring a power supply path and all the cut-off equipment in the power supply path; otherwise, a distribution transformer is selected as a starting point, and the power supply path and all the break-class devices in the power supply path are acquired.
And extracting the distribution transformer to be tested for one-time testing, and determining the fault point range.
And according to the power supply path, if the disconnection point still exists between the fault point ranges, performing secondary calling to determine the fault point.
Updating/merging the received blackout events and handling the blackout events.
As shown in fig. 4, in an embodiment, the method for extracting the distribution transformer to be tested specifically includes the following steps:
and selecting a disconnection point.
And judging whether the disconnection point comprises a distribution transformer only powered by the disconnection point, if so, carrying out the next step, and otherwise, carrying out filtering.
Adding a disconnection point list to be selected and carrying out the following processes:
if the number of the disconnection points is zero, only adding the disconnection points into the distribution transformer to be summoned; if the number of the disconnection points is less than or equal to 5, successively and circularly selecting the distribution transformers according to the disconnection point sequence until 5 distribution transformers are selected and the distribution transformers to be tested are added; if the number of the disconnection points is more than 5, selecting one distribution transformer from the head and the tail, then taking three distribution transformers from the middle, and adding the distribution transformers to be tested.
In an embodiment, the process of determining whether the outage event is a new outage event is specifically as follows:
and S211, acquiring a power supply point of the distribution transformer in the current power grid operation state according to the distribution network topological relation and the opening and closing states of the switches of the line.
And S212, judging whether the power failure event is a planned power failure event or not according to the power failure distribution and transformation information and the maintenance plan, and if not, carrying out the next step.
And S213, judging whether a power failure event with the same power supply point exists in the current power failure set, if so, determining that the power failure event is a known power failure event, otherwise, determining that the power failure event is a new power failure event.
In one embodiment, if the power failure event signal is a switch deflection signal of the power distribution automation system, the power failure event is determined as follows:
and S31, judging whether the power failure event is a new power failure event or not, and if so, carrying out the next step.
And S32, judging whether the power failure event is a branch switch deflection signal power failure event or a 10kv outgoing line tripping power failure event, and determining a fault source.
In one embodiment, the source of the fault in a branch line switch deflection blackout event or a 10kV outlet switch trip blackout event is default to the switch itself. And if a plurality of switches are simultaneously disconnected in the same line and the power supply range of one switch comprises the power supply range of the other switch, taking the previous switch as a fault source of the power failure event.
In an embodiment, the process of determining whether the blackout event is a new blackout event is specifically as follows:
and S311, judging whether the power failure event is a planned power failure event or not according to the displacement signal information and the maintenance plan, and if not, carrying out the next step.
And S312, determining the influence range of the power failure event based on the distribution network graph model relation, wherein if the intersection exists between the power failure event and the power failure equipment with known power failure, the power failure event is the known power failure event, and otherwise, the power failure event is a new power failure event.
In one embodiment, if the outage event is a scheduled event, then the outage event will be associated with the service plan; and if the power failure event is a known power failure event, merging the power failure event with the known power failure event.
In the embodiment of the present invention, after the power failure event signal is acquired, filtering is performed according to the type of the signal to remove the duplicate signal or the error signal.
It should be understood that although the steps in the flowcharts of fig. 1 to 4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 1-4 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternately with other steps or at least some of the sub-steps or stages of other steps.
Based on the same inventive concept, the invention also provides a distribution network fault studying and judging system based on multi-system fusion, which comprises the following steps:
the acquisition module is used for acquiring power failure event signals from corresponding systems; and
and the studying and judging module is used for determining a corresponding studying and judging inlet according to the power failure event signal to carry out comprehensive studying and judging and determining the type and the fault source of the power failure event. It should be noted that the studying and judging module provides three studying and judging entries, which respectively correspond to three different power failure event signals, and the different entries output corresponding studying and judging results.
Based on the same inventive concept, a distribution network fault studying and judging device based on multi-system fusion comprises:
a memory: for storing instructions;
a processor: for operating in accordance with the instructions to perform the steps of the method of any one of claims 1 to 8.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A distribution network fault studying and judging method based on multi-system fusion is characterized in that: the method comprises the following steps:
acquiring a power failure event signal from a corresponding system;
and determining a corresponding studying and judging inlet according to the power failure event signal to comprehensively study and judge, and determining the type and the fault source of the power failure event.
2. The distribution network fault studying and judging method based on multi-system fusion as claimed in claim 1, characterized in that:
if the power failure event signal is repair work order information of the 95598 system, the process of determining the power failure event is as follows:
judging whether the power failure event is a new power failure event or not, and if so, carrying out the next step;
acquiring the electrified state of the ammeter corresponding to the repair work order information, wherein if the ammeter is in the electrified state, the power failure event is an indoor fault, and if not, the next step is carried out;
acquiring the charged states of other meters under the same access point, if the meters are in the power-off state, performing the next step, otherwise, the power-off event is a single-household power-off event;
and acquiring the electrified state of the distribution transformer to which the access point belongs, if the distribution transformer to which the access point belongs is in the power-off state, considering that the distribution transformer to which the access point belongs is in the power-off state, and studying and judging according to the power-off event of the distribution transformer to determine the event type and the fault source, otherwise, judging that the power-off event is a low-voltage fault power-off event and determining the fault source.
3. The distribution network fault studying and judging method based on multi-system fusion as claimed in claim 2, characterized in that:
the process of judging whether the power failure event is a new power failure event is specifically as follows:
acquiring a power supply point of the ammeter in the current power grid operation state;
judging whether a homologous unarchived power failure event set exists or not, if so, judging the power failure event set to be a known power failure event and carrying out the next step, and otherwise, judging the power failure event set to be a new power failure event;
merging the signal of the outage event with a set of known outage events to update the set of outage events;
finding out power supply paths of all power failure distribution transformers in the power failure event set and newly received power failure signal distribution transformers;
the most remote device for which the power supply path is repeated is found and is taken as a failure point.
4. The distribution network fault studying and judging method based on multi-system fusion as claimed in claim 1, characterized in that:
if the power failure event signal is a distribution transformer power failure event signal of the power utilization information acquisition system, the research and judgment process of the power failure event is as follows:
judging whether the power failure event is a new power failure event, if so, carrying out the next step, and otherwise, carrying out the next step;
judging the electrified state of other distribution transformers which are homologous with the power failure event, if the power failure events are all power loss, determining the power failure event as a low-voltage fault power failure event and determining a fault source, otherwise, determining the power failure event as a single distribution transformer power failure event;
and judging whether the power failure event is a displacement signal power failure event or not, and if so, judging according to the displacement signal power failure event to determine the event type and the fault source.
5. The distribution network fault studying and judging method based on multi-system fusion as claimed in claim 4, characterized in that:
the process of judging whether the power failure event is a new power failure event is specifically as follows:
acquiring a power supply point of the distribution transformer in the current power grid operation state;
judging whether the power failure event is a planned power failure event or not, and if not, carrying out the next step;
and judging whether a power failure event with the same power supply point exists, if so, determining that the power failure event is a known power failure event, and otherwise, determining that the power failure event is a new power failure event.
6. The distribution network fault studying and judging method based on multi-system fusion as claimed in claim 1, characterized in that:
if the power failure event signal is a switch displacement signal of the power distribution automation system, the research and judgment process of the power failure event is as follows:
judging whether the power failure event is a new power failure event or not, and if so, carrying out the next step;
and judging whether the power failure event is a branch switch deflection signal power failure event or a 10kV outgoing switch tripping power failure event and determining a fault source.
7. The distribution network fault studying and judging method based on multi-system fusion as claimed in claim 6, characterized in that:
the process of judging whether the power failure event is a new power failure event is specifically as follows:
judging whether the power failure event is a planned power failure event or not, and if not, carrying out the next step;
and determining the influence range of the power failure event, wherein if the influence range exists an intersection with the power failure equipment with known power failure, the power failure event is the known power failure event, and otherwise, the power failure event is a new power failure event.
8. The distribution network fault studying and judging method based on multi-system fusion as claimed in any one of claims 2 to 7, characterized in that:
if the power failure event is a plan event, the power failure event is associated with the maintenance plan; and if the power failure event is a known power failure event, merging the power failure event with the known power failure event.
9. A distribution network fault studying and judging system based on multi-system fusion is characterized in that: the method comprises the following steps:
the acquisition module is used for acquiring power failure event signals from corresponding systems; and
and the studying and judging module is used for determining a corresponding studying and judging inlet according to the power failure event signal to carry out comprehensive studying and judging and determining the type and the fault source of the power failure event.
10. The utility model provides a join in marriage net fault study and judge device based on multisystem fusion which characterized in that: the method comprises the following steps:
a memory: for storing instructions;
a processor: for operating in accordance with the instructions to perform the steps of the method of any one of claims 1 to 8.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111400295A (en) * | 2020-03-13 | 2020-07-10 | 国电南瑞科技股份有限公司 | Power distribution network power failure event analysis method and device and storage medium |
| CN112083292A (en) * | 2020-10-26 | 2020-12-15 | 积成电子股份有限公司 | Power distribution network active fault studying and judging method based on multi-source non-sound information fusion |
| CN112763846A (en) * | 2020-12-23 | 2021-05-07 | 国网河南省电力公司电力科学研究院 | Multi-data source information fusion-based intelligent power failure judgment method for distribution line |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09200946A (en) * | 1996-01-23 | 1997-07-31 | Nissin Electric Co Ltd | Blind spot fault detecting system |
| US20110116387A1 (en) * | 2009-11-16 | 2011-05-19 | Cox Communications, Inc. | Systems and Methods for Locating Power Network Failures on a Network |
| US20120095707A1 (en) * | 2009-06-26 | 2012-04-19 | Abb Research Ltd. | Method for Identifying Type of Fault on Power Line |
| CN102565572A (en) * | 2011-12-04 | 2012-07-11 | 江苏省电力公司南京供电公司 | Platform and method for judging fault of match power grid |
| CN103427417A (en) * | 2013-07-31 | 2013-12-04 | 国电南瑞科技股份有限公司 | Power distribution network fault processing method based on multi-source information fusion |
| CN103901317A (en) * | 2012-12-24 | 2014-07-02 | 天津市电力公司 | Power distribution fault studying and judging method based on multisystem collaboration |
| CN104133148A (en) * | 2014-08-20 | 2014-11-05 | 国家电网公司 | Study and judgment method for power failure of distribution network |
| CN105445617A (en) * | 2015-11-18 | 2016-03-30 | 国网天津市电力公司 | Automatic studying and determination method of power distribution fault |
| CN105894172A (en) * | 2015-11-17 | 2016-08-24 | 国家电网公司 | Joint outage judging method based on marketing and distribution fusion |
| CN108988487A (en) * | 2018-06-19 | 2018-12-11 | 国电南瑞科技股份有限公司 | A kind of grid power blackout event recognition method based on multidimensional data |
| CN110146787A (en) * | 2019-06-14 | 2019-08-20 | 国网江苏省电力有限公司常州供电分公司 | Electrical power distribution network fault location method based on multi-source monitoring data |
| CN110210630A (en) * | 2019-05-16 | 2019-09-06 | 国电南瑞科技股份有限公司 | A kind of power distribution network active emergency repair method based on multiple faults information source and study and judge system |
-
2019
- 2019-09-30 CN CN201910937719.0A patent/CN110635477B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09200946A (en) * | 1996-01-23 | 1997-07-31 | Nissin Electric Co Ltd | Blind spot fault detecting system |
| US20120095707A1 (en) * | 2009-06-26 | 2012-04-19 | Abb Research Ltd. | Method for Identifying Type of Fault on Power Line |
| US20110116387A1 (en) * | 2009-11-16 | 2011-05-19 | Cox Communications, Inc. | Systems and Methods for Locating Power Network Failures on a Network |
| CN102565572A (en) * | 2011-12-04 | 2012-07-11 | 江苏省电力公司南京供电公司 | Platform and method for judging fault of match power grid |
| CN103901317A (en) * | 2012-12-24 | 2014-07-02 | 天津市电力公司 | Power distribution fault studying and judging method based on multisystem collaboration |
| CN103427417A (en) * | 2013-07-31 | 2013-12-04 | 国电南瑞科技股份有限公司 | Power distribution network fault processing method based on multi-source information fusion |
| CN104133148A (en) * | 2014-08-20 | 2014-11-05 | 国家电网公司 | Study and judgment method for power failure of distribution network |
| CN105894172A (en) * | 2015-11-17 | 2016-08-24 | 国家电网公司 | Joint outage judging method based on marketing and distribution fusion |
| CN105445617A (en) * | 2015-11-18 | 2016-03-30 | 国网天津市电力公司 | Automatic studying and determination method of power distribution fault |
| CN108988487A (en) * | 2018-06-19 | 2018-12-11 | 国电南瑞科技股份有限公司 | A kind of grid power blackout event recognition method based on multidimensional data |
| CN110210630A (en) * | 2019-05-16 | 2019-09-06 | 国电南瑞科技股份有限公司 | A kind of power distribution network active emergency repair method based on multiple faults information source and study and judge system |
| CN110146787A (en) * | 2019-06-14 | 2019-08-20 | 国网江苏省电力有限公司常州供电分公司 | Electrical power distribution network fault location method based on multi-source monitoring data |
Non-Patent Citations (3)
| Title |
|---|
| 姚瑛等: "采用多数据源的配电网故障研判技术", 《电力系统及其自动化学报》 * |
| 王建雄;罗心仪;马瑞;肖麟祥;: "基于用电采集等信息的配电网故障研判技术研究" * |
| 耿俊成等: "基于多源信息的配电网停电故障研判", 《上海电力学院学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111400295A (en) * | 2020-03-13 | 2020-07-10 | 国电南瑞科技股份有限公司 | Power distribution network power failure event analysis method and device and storage medium |
| CN111400295B (en) * | 2020-03-13 | 2022-10-14 | 国电南瑞科技股份有限公司 | Power distribution network power failure event analysis method and device and storage medium |
| CN112083292A (en) * | 2020-10-26 | 2020-12-15 | 积成电子股份有限公司 | Power distribution network active fault studying and judging method based on multi-source non-sound information fusion |
| CN112083292B (en) * | 2020-10-26 | 2023-09-05 | 积成电子股份有限公司 | Active fault studying and judging method for power distribution network based on multisource non-robust information fusion |
| CN112763846A (en) * | 2020-12-23 | 2021-05-07 | 国网河南省电力公司电力科学研究院 | Multi-data source information fusion-based intelligent power failure judgment method for distribution line |
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