CN112986746B - Distribution network feeder fault self-healing rate automatic analysis method, system and equipment - Google Patents

Distribution network feeder fault self-healing rate automatic analysis method, system and equipment Download PDF

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Publication number
CN112986746B
CN112986746B CN202110487906.0A CN202110487906A CN112986746B CN 112986746 B CN112986746 B CN 112986746B CN 202110487906 A CN202110487906 A CN 202110487906A CN 112986746 B CN112986746 B CN 112986746B
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fault
switch
self
healing
distribution
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CN112986746A (en
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吴树鸿
汤志锐
邱桂华
严周宇
杨忠藩
刘俊涛
罗德贤
邓昆英
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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Foshan Power Supply Bureau of Guangdong Power Grid Corp
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    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract

The invention discloses a method, a system and equipment for automatically analyzing the fault self-healing rate of a distribution network feeder line, wherein various types of automatic equipment are put into a distribution network automation network, automatic switches on the distribution network feeder lines form distribution diagrams in a mutual connection relationship, when a distribution network fault power failure event occurs, distribution users in a fault area can be automatically isolated by the distribution network automatic switches, and then the distribution users in a non-fault area can be recovered for power transmission, the method of the invention obtains the distribution network feeder line automatic switch distribution diagrams, carries out topology tracking analysis on a feeder line model in the distribution diagrams, and determines the distribution and user conditions of a fault self-healing area switch and a fault power failure area, and the distribution and user conditions of the fault self-healing area, thereby calculating the distribution and user fault rates and the distribution and user self-healing rates, replacing the traditional manual analysis mode, realizing the automatic analysis of the fault self-healing condition of the feeder line distribution network, the efficiency is improved.

Description

Distribution network feeder fault self-healing rate automatic analysis method, system and equipment
Technical Field
The invention relates to the technical field of distribution network feeder automation, in particular to a method, a system and equipment for automatically analyzing the fault self-healing rate of a distribution network feeder.
Background
Feeder automation is an important technology for realizing a feeder self-healing control function, and for improving the fault isolation and self-healing level of a distribution network feeder and improving the power supply reliability level of the distribution network, the distribution network in each region continuously puts into automatic switch equipment and is continuously implemented in the direction of a fault self-healing technology. According to the traditional distribution network operation analysis, a fault self-healing rate switch needing to be analyzed is set on a manual distribution network feeder line wiring diagram, distribution transformers between adjacent automatic switches and a section are searched step by step on the wiring diagram, distribution transformers between the downstream of the adjacent automatic switches and a tie switch are analyzed, the number of users belonging to the jurisdiction is obtained through each distribution transformer, and finally distribution transformers and user ratios of a fault area and a self-healing area are calculated manually, so that the efficiency is low.
Disclosure of Invention
The invention provides a method, a system and equipment for automatically analyzing the fault self-healing rate of a distribution network feeder line, which are used for automatically analyzing the fault self-healing condition of the distribution network feeder line and improving the efficiency.
In view of this, the first aspect of the present invention provides an automatic analysis method for a distribution network feeder fault self-healing rate, including:
the method comprises the steps that an automatic switch distribution diagram of a distribution network feeder line is obtained from a distribution network main station, a target automatic switch serving as a self-healing rate analysis target is preset in the automatic switch distribution diagram, and the target automatic switch is a fault point upstream switch;
obtaining a feeder line model and model parameters in the distribution diagram of the automatic switches, and matching the feeder line model with the equipment information of the target automatic switch;
performing topology tracking analysis on the feeder line model to obtain a fault self-healing restoration zone switch corresponding to the target automation switch, wherein the adjacent automation switch on a downstream connection path of the target automation switch is the fault self-healing restoration zone switch;
acquiring a distribution transformer list of non-restoration power of a fault power failure area, and acquiring distribution transformer data between the target automation switch and the fault self-recovery power restoration area switch as the number of users of the fault power failure area through the number of power supply users associated with the distribution transformer in the fault power failure area;
acquiring distribution transformer data of a fault self-healing power restoration area, and acquiring the number of users between a switch of the fault self-healing power restoration area and an interconnection switch through the number of power supply users associated with distribution transformer equipment in the fault self-healing power restoration area;
obtaining the distribution transformer fault rate of the fault power failure area according to the ratio of the distribution transformer between the target automatic switch and the fault self-healing power restoration area switch to the total distribution transformer of the feeder line, and obtaining the user fault rate of the fault power failure area according to the ratio of the number of users between the target automatic switch and the fault self-healing power restoration area switch to the total number of the feeder line users;
and obtaining the distribution transformer self-healing rate of the rear end area of the fault self-healing recovery area switch according to the ratio of the distribution transformer between the fault self-healing recovery area switch and the interconnection switch to the total distribution transformer of the feeder, and obtaining the user self-healing rate of the rear section area of the self-healing recovery area switch according to the ratio of the number of users between the fault self-healing recovery area switch and the interconnection switch to the total number of the feeders.
Optionally, the method further comprises:
and displaying the distribution transformer self-healing rate and the user self-healing rate beside the switch primitive position of the fault self-healing and re-healing area of the automatic switch distribution diagram.
Optionally, the method further comprises:
and displaying the distribution transformer fault rate and the user fault rate beside the target automatic switch primitive position of the automatic switch distribution diagram.
Optionally, the method further comprises:
and displaying a self-healing rate keyword beside the self-healing and power-restoration area switch primitive position of the automatic switch distribution diagram.
Optionally, the method further comprises:
and displaying fault rate keywords beside the position of the target automatic switch primitive of the automatic switch distribution diagram.
The second aspect of the present invention provides an automatic analysis system for a distribution network feeder line fault self-healing rate, including:
the automatic switch distribution diagram module is used for acquiring an automatic switch distribution diagram of a distribution network feeder line from a distribution network main station, and a target automatic switch serving as a self-healing rate analysis target is preset in the automatic switch distribution diagram and is a fault point upstream switch;
a feeder model obtaining module, configured to obtain a feeder model and model parameters in the distribution diagram of the automatic switch, and match device information of the target automatic switch in the feeder model;
the fault self-healing power restoration zone switch determination module is used for performing topology tracking analysis on the feeder line model to obtain a fault self-healing power restoration zone switch corresponding to the target automatic switch, wherein the adjacent automatic switch on the downstream connection path of the target automatic switch is the fault self-healing power restoration zone switch;
the first distribution transformer user number module is used for acquiring a distribution transformer list of non-restoration power of the fault power failure area, and obtaining distribution transformer data between the target automation switch and the fault self-healing restoration area switch as the number of the fault power failure area users through the number of power supply users associated with the distribution transformers in the fault power failure area;
the second distribution transformer user number module is used for acquiring distribution transformer data of the fault self-healing power restoration area and acquiring the number of users between a switch of the fault self-healing power restoration area and an interconnection switch through the number of power supply users associated with distribution transformer equipment in the fault self-healing power restoration area;
the fault rate calculation module is used for obtaining the distribution transformer fault rate of the fault power failure area according to the ratio of the distribution transformer between the target automatic switch and the fault self-healing power restoration area switch to the total distribution transformer of the feeder line, and obtaining the user fault rate of the fault power failure area according to the ratio of the number of users between the target automatic switch and the fault self-healing power restoration area switch to the total number of the feeder line users;
and the self-healing rate calculation module is used for comparing the distribution transformation and the feeder total distribution transformation number between the fault self-healing power recovery area switch and the interconnection switch to obtain the distribution transformation self-healing rate of the rear end area of the fault self-healing power recovery area switch, and obtaining the user self-healing rate of the rear section area of the self-healing power recovery area switch according to the ratio of the number of users between the fault self-healing power recovery area switch and the interconnection switch to the number of the feeder total users.
Optionally, the method further comprises:
and the graphic display module is used for displaying the distribution transformation self-healing rate and the user self-healing rate beside the switch primitive position of the fault self-healing recovery area in the automatic switch distribution diagram.
Optionally, the illustration module is further configured to:
and displaying the distribution transformer fault rate and the user fault rate beside the target automatic switch primitive position of the automatic switch distribution diagram.
Optionally, the illustration module is further configured to:
displaying a self-healing rate keyword beside the self-healing power recovery area switch primitive position of the automatic switch distribution diagram;
and displaying fault rate keywords beside the position of the target automatic switch primitive of the automatic switch distribution diagram.
The third aspect of the present invention provides a distribution network feeder line fault self-healing rate automatic analysis device, which includes a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute any one of the automatic distribution network feeder fault self-healing rate analysis methods according to instructions in the program code.
According to the technical scheme, the embodiment of the invention has the following advantages:
the invention provides a distribution network feeder line fault self-healing rate automatic analysis method, wherein various types of automatic equipment are put into a distribution network automation network, automatic switches on distribution network feeder lines form distribution diagrams in mutual connection relation, when a distribution network fault power failure event occurs, distribution transformer users in a fault area can be automatically isolated by the distribution network automatic switches, and then the distribution transformer users in a non-fault area can be recovered to supply power, the method of the invention obtains the distribution network feeder line automatic switch distribution diagrams, carries out topology tracking analysis on a feeder line model in the distribution diagrams, determines distribution transformer and user conditions of a fault self-healing area switch, a fault power failure area, and the distribution transformer and user conditions of the fault self-healing area, thereby calculating distribution transformer and user fault rates, and distribution transformer and user self-healing rates, replaces the traditional manual analysis mode, and realizes automatic analysis of the distribution network feeder line fault conditions, the efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and it is obvious for those skilled in the art to obtain other drawings according to these drawings.
Fig. 1 is a block flow diagram of a method for automatically analyzing a distribution network feeder line fault self-healing rate according to an embodiment of the present invention;
FIG. 2 is a diagram of feeder model wiring provided in an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a fault rate and a self-healing rate in a feeder model wiring diagram provided in an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to the method, data such as distribution network feeder line automatic switch distribution maps and distribution network model parameters are obtained from a main station, distribution transformer and user conditions of self-healing power restoration of fault areas and non-fault areas are obtained by applying a model topology tracking analysis technology, and the proportion of the two types of data in a feeder line is further counted and analyzed, so that the fault rate and the self-healing rate of the distribution transformer and the user are calculated.
For convenience of understanding, please refer to fig. 1, the embodiment of the present invention provides an embodiment of a method for automatically analyzing a self-healing rate of a distribution network feeder fault, including:
step 101, obtaining an automatic switch distribution map of a distribution network feeder line from a distribution network main station, and presetting a target automatic switch as a self-healing rate analysis target in the automatic switch distribution map, wherein the target automatic switch is a fault point upstream switch.
The automatic switch distribution diagram of the distribution network feeder line is obtained from the distribution network main station, so that the simplified wiring diagram of each switch on the feeder line related to the self-healing action can be quickly obtained, and a fault point upstream switch is set on the automatic switch distribution diagram, namely, a target automatic switch needing to analyze the self-healing rate is set on the automatic switch distribution diagram and serves as an analysis target.
And 102, obtaining a feeder line model and model parameters in the distribution diagram of the automatic switch, and matching the equipment information of the target automatic switch in the feeder line model.
And acquiring a feeder model and model parameter information from a distribution network main station (historical database), taking the selected target automatic switch as a fault power failure switch in an automatic switch distribution diagram, and matching equipment information of the target automatic switch with the feeder model.
And 103, carrying out topology tracking analysis on the feeder line model to obtain a fault self-healing power restoration zone switch corresponding to the target automatic switch, wherein the adjacent automatic switch on the downstream connection path of the target automatic switch is the fault self-healing power restoration zone switch.
Through topology tracking analysis of the feeder line model, the next-stage automatic switch of the load side direction topology between the set switch (namely, the target automatic switch) and the interconnection switch can be obtained, namely, the adjacent automatic switch on the interconnection path at the downstream of the set switch is used as a fault self-healing power recovery area switch. As shown in fig. 2, the set switch is a 5T1 switch, and the automatic switch 20T1 switch at the next stage of the load-side direction topology between the 5T1 switch and the interconnection switch 50T1 switch is a self-healing fault area switch.
And step 104, acquiring a distribution transformer list of non-power restoration of the fault power failure area, and acquiring distribution transformer data between the target automation switch and the fault self-healing power restoration area switch as the number of the fault power failure area users through the number of power supply users associated with the distribution transformers in the fault power failure area.
And obtaining distribution transformation data between the next-stage automatic switches of the load side direction topology between the target automatic switch and the tie switch as a distribution transformation list of non-restoration power of the fault power outage region through topology tracking analysis of the feeder model, and obtaining distribution transformation data between the next-stage automatic switches of the load side direction topology between the target automatic switch and the tie switch as the number of users of the fault power outage region through the number of power supply users respectively associated with distribution transformation equipment in the fault power outage region.
And 105, acquiring distribution transformer data of the fault self-healing power recovery area, and acquiring the number of users between a switch and an interconnection switch of the fault self-healing power recovery area through the number of power supply users associated with distribution transformer equipment in the fault self-healing power recovery area.
The distribution transformation data of the next-stage automatic switch back section (namely, the self-healing power restoration area, such as the self-healing power restoration area in fig. 2) of the load side direction topology between the target automatic switch and the interconnection switch is obtained through topology tracking analysis of the feeder model, and the user data between the next-stage automatic switch and the interconnection switch is obtained through the number of power supply users respectively associated with the distribution transformation equipment in the self-healing power restoration area.
And 106, obtaining the distribution transformer fault rate of the fault power failure area according to the ratio of the distribution transformer between the target automatic switch and the fault self-healing power restoration area switch to the total distribution transformer of the feeder, and obtaining the user fault rate of the fault power failure area according to the ratio of the number of users between the target automatic switch and the fault self-healing power restoration area switch to the total number of the feeder.
And obtaining the ratio of distribution transformation and user number to feeder line and user number in the fault area at the rear section of the fault switch by calculating the ratio of the distribution transformation and the user number to the feeder line and the user number between the target automatic switch and the fault self-healing switch. The calculation formula is as follows:
distribution transformer fault rate = fault section blackout distribution transformer/feeder total distribution transformer 100%;
the user failure rate = the number of power failure users in a failure section/the total number of users of feeders × 100%.
And 107, obtaining the distribution transformer self-healing rate of the rear end area of the self-healing power recovery area switch according to the ratio of the distribution transformer between the fault self-healing power recovery area switch and the interconnection switch to the total distribution transformer of the feeder, and obtaining the user self-healing rate of the rear section area of the self-healing power recovery area switch according to the ratio of the number of users between the fault self-healing power recovery area switch and the interconnection switch to the total number of the feeder.
And calculating the ratio of the distribution transformer and the user number between the next-stage fault self-healing automatic switch of the target automatic switch and the interconnection switch to the total distribution transformer number and the user number of the feeder line, and obtaining the distribution transformer of the back-stage area of the self-healing switch and the fault self-healing rate of the user. The calculation formula is as follows:
distribution-transformation self-healing rate = (distribution variable of fault switch power supply area-distribution variable of fault section power failure)/total distribution variable of feeder line = 100%;
the self-healing rate of the user = (the number of users in a power supply area of a fault switch-the number of users in a power failure area of a fault section)/the total number of users of the feeders is 100%.
According to the method, the automatic switch distribution diagram of the distribution network feeder line is obtained, topology tracking analysis is carried out on the feeder line model in the automatic switch distribution diagram, and the distribution and user conditions of the fault self-healing power recovery area switch, the fault power failure area and the fault self-healing area are determined, so that the distribution and user fault rate and the distribution and user self-healing rate are calculated, the traditional manual analysis mode is replaced, the automatic analysis of the fault self-healing condition of the distribution network feeder line is realized, and the efficiency is improved.
In one embodiment, the fault and self-healing rates of distribution and users may also be graphically illustrated on the automation switch profile. Specifically, as shown in fig. 3, on the selected feeder model, a position is determined for a primitive of a selected switch, that is, a fault power failure switch, a "fault rate" keyword is added just below the primitive of the fault power failure switch, and a distribution transformer fault rate description "distribution transformer" is added below the "fault rate" keyword: xx% ", in" distribution: xx% "increase user failure rate below" user: xx% ". On the selected feeder line model, determining the position of a primitive of a selected switch, namely a primitive of a next-stage automatic switch back section (namely a self-healing power recovery switch) of a load side direction topology between a fault power failure switch and a tie switch, adding a self-healing rate keyword under the primitive of the self-healing power recovery switch, and adding a distribution transformer self-healing rate description' distribution transformer under the self-healing rate keyword: xx% ", in" distribution: xx% "increase user self-healing rate below" description of user: xx% ".
The invention also provides an embodiment of a distribution network feeder line fault self-healing rate automatic analysis system, which comprises the following steps:
and the automatic switch distribution diagram module is used for acquiring an automatic switch distribution diagram of a distribution network feeder from a distribution network main station, and presetting a target automatic switch as a self-healing rate analysis target in the automatic switch distribution diagram, wherein the target automatic switch is a fault point upstream switch.
And the feeder line model acquisition module is used for acquiring a feeder line model and model parameters in the distribution diagram of the automatic switch and matching the equipment information of the target automatic switch in the feeder line model.
And the fault self-healing power restoration zone switch determining module is used for carrying out topology tracking analysis on the feeder line model to obtain a fault self-healing power restoration zone switch corresponding to the target automatic switch, wherein the adjacent automatic switch on the downstream connection path of the target automatic switch is the fault self-healing power restoration zone switch.
And the first distribution transformer user number module is used for acquiring a distribution transformer list of non-restoration power of the fault power failure area, and obtaining distribution transformer data between the target automation switch and the fault self-healing restoration area switch as the number of the fault power failure area users through the number of power supply users associated with the distribution transformer in the fault power failure area.
And the second distribution transformer user number module is used for acquiring distribution transformer data of the fault self-healing restoration area, and obtaining the number of users between the switch of the fault self-healing restoration area and the interconnection switch through the number of power supply users associated with distribution transformer equipment in the fault self-healing restoration area.
And the fault rate calculation module is used for obtaining the distribution transformer fault rate of the fault power failure area according to the ratio of the distribution transformer between the target automatic switch and the fault self-healing power restoration area switch to the total distribution transformer of the feeder, and obtaining the user fault rate of the fault power failure area according to the ratio of the number of users between the target automatic switch and the fault self-healing power restoration area switch to the total number of users of the feeder.
And the self-healing rate calculation module is used for obtaining the distribution and transformation self-healing rate of the rear end area of the fault self-healing area switch according to the ratio of the distribution and transformation and the total distribution and transformation number of the feeder between the fault self-healing area switch and the interconnection switch, and obtaining the user self-healing rate of the rear section area of the self-healing area switch according to the ratio of the number of users between the fault self-healing area switch and the interconnection switch and the total number of the feeders.
Further comprising:
and the graphic display module is used for displaying the distribution transformation self-healing rate and the user self-healing rate beside the switch primitive position of the self-healing and re-healing area of the automatic switch distribution diagram.
The illustrative module is further configured to:
and displaying the distribution transformer fault rate and the user fault rate beside the target automatic switch primitive position of the automatic switch distribution diagram.
The illustrative module is further configured to:
displaying a self-healing rate keyword beside a self-healing and power restoration area switch primitive position of an automatic switch distribution diagram;
and displaying a fault rate keyword beside the position of a target automatic switch primitive of the automatic switch distribution diagram.
According to the system, the automatic switch distribution diagram of the distribution network feeder line is obtained, topology tracking analysis is carried out on the feeder line model in the automatic switch distribution diagram, and the distribution and user conditions of the fault self-healing power recovery area switch, the fault power failure area and the fault self-healing area are determined, so that the distribution and user fault rate and the distribution and user self-healing rate are calculated, the traditional manual analysis mode is replaced, the automatic analysis of the fault self-healing condition of the distribution network feeder line is realized, and the efficiency is improved. The system is used for executing the distribution network feeder line fault self-healing rate automatic analysis method, and can obtain the same technical effect as the distribution network feeder line fault self-healing rate automatic analysis method.
The invention provides an embodiment of automatic analysis equipment for the self-healing rate of distribution network feeder line faults, which comprises a processor and a memory, wherein the processor comprises the following steps:
the memory is used for storing the program codes and transmitting the program codes to the processor;
the processor is used for executing the distribution network feeder line fault self-healing rate automatic analysis method in the distribution network feeder line fault self-healing rate automatic analysis method embodiment according to instructions in the program codes.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A distribution network feeder fault self-healing rate automatic analysis method is characterized by comprising the following steps:
the method comprises the steps that an automatic switch distribution diagram of a distribution network feeder line is obtained from a distribution network main station, a target automatic switch serving as a self-healing rate analysis target is preset in the automatic switch distribution diagram, and the target automatic switch is a fault point upstream switch;
obtaining a feeder line model and model parameters in the distribution diagram of the automatic switches, and matching the feeder line model with the equipment information of the target automatic switch;
performing topology tracking analysis on the feeder line model to obtain a fault self-healing restoration zone switch corresponding to the target automation switch, wherein the adjacent automation switch on a downstream connection path of the target automation switch is the fault self-healing restoration zone switch;
acquiring a distribution transformer list of non-restoration power of a fault power failure area, and acquiring distribution transformer data between the target automation switch and the fault self-recovery power restoration area switch as the number of users of the fault power failure area through the number of power supply users associated with the distribution transformer in the fault power failure area;
acquiring distribution transformer data of a fault self-healing power restoration area, and acquiring the number of users between a switch of the fault self-healing power restoration area and an interconnection switch through the number of power supply users associated with distribution transformer equipment in the fault self-healing power restoration area;
obtaining the distribution transformer fault rate of the fault power failure area according to the ratio of the distribution transformer between the target automatic switch and the fault self-healing power restoration area switch to the total distribution transformer of the feeder line, and obtaining the user fault rate of the fault power failure area according to the ratio of the number of users between the target automatic switch and the fault self-healing power restoration area switch to the total number of the feeder line users;
and obtaining the distribution transformer self-healing rate of the rear end area of the fault self-healing recovery area switch according to the ratio of the distribution transformer between the fault self-healing recovery area switch and the interconnection switch to the total distribution transformer of the feeder, and obtaining the user self-healing rate of the rear section area of the self-healing recovery area switch according to the ratio of the number of users between the fault self-healing recovery area switch and the interconnection switch to the total number of the feeders.
2. The method for automatically analyzing the self-healing rate of the distribution network feeder line fault according to claim 1, further comprising:
and displaying the distribution transformation self-healing rate and the user self-healing rate beside the switch primitive position of the fault self-healing area of the automatic switch distribution diagram.
3. The method for automatically analyzing the self-healing rate of the distribution network feeder line fault according to claim 2, further comprising:
and displaying the distribution transformer fault rate and the user fault rate beside the target automatic switch primitive position of the automatic switch distribution diagram.
4. The method for automatically analyzing the self-healing rate of the distribution network feeder line fault according to claim 3, further comprising:
and displaying a self-healing rate keyword beside the self-healing and power-restoration area switch primitive position of the automatic switch distribution diagram.
5. The method for automatically analyzing the self-healing rate of the distribution network feeder line fault according to claim 4, further comprising:
and displaying fault rate keywords beside the position of the target automatic switch primitive of the automatic switch distribution diagram.
6. The utility model provides a join in marriage net feeder trouble self-healing rate automatic analysis system which characterized in that includes:
the automatic switch distribution diagram module is used for acquiring an automatic switch distribution diagram of a distribution network feeder line from a distribution network main station, and a target automatic switch serving as a self-healing rate analysis target is preset in the automatic switch distribution diagram and is a fault point upstream switch;
a feeder model obtaining module, configured to obtain a feeder model and model parameters in the distribution diagram of the automatic switch, and match device information of the target automatic switch in the feeder model;
the fault self-healing power restoration zone switch determination module is used for performing topology tracking analysis on the feeder line model to obtain a fault self-healing power restoration zone switch corresponding to the target automatic switch, wherein the adjacent automatic switch on the downstream connection path of the target automatic switch is the fault self-healing power restoration zone switch;
the first distribution transformer user number module is used for acquiring a distribution transformer list of non-restoration power of the fault power failure area, and obtaining distribution transformer data between the target automation switch and the fault self-healing restoration area switch as the number of the fault power failure area users through the number of power supply users associated with the distribution transformers in the fault power failure area;
the second distribution transformer user number module is used for acquiring distribution transformer data of the fault self-healing power restoration area and acquiring the number of users between a switch of the fault self-healing power restoration area and an interconnection switch through the number of power supply users associated with distribution transformer equipment in the fault self-healing power restoration area;
the fault rate calculation module is used for obtaining the distribution transformer fault rate of the fault power failure area according to the ratio of the distribution transformer between the target automatic switch and the fault self-healing power restoration area switch to the total distribution transformer of the feeder line, and obtaining the user fault rate of the fault power failure area according to the ratio of the number of users between the target automatic switch and the fault self-healing power restoration area switch to the total number of the feeder line users;
and the self-healing rate calculation module is used for obtaining the distribution and transformation self-healing rate of the rear end area of the fault self-healing area switch according to the ratio of the distribution and transformation and the total distribution and transformation number of the feeder between the fault self-healing area switch and the interconnection switch, and obtaining the user self-healing rate of the rear section area of the self-healing area switch according to the ratio of the number of users between the fault self-healing area switch and the interconnection switch and the total number of the feeders.
7. The distribution network feeder fault self-healing rate automatic analysis system according to claim 6, further comprising:
and the graphic display module is used for displaying the distribution transformation self-healing rate and the user self-healing rate beside the switch primitive position of the fault self-healing and power restoration area of the automatic switch distribution diagram.
8. The distribution network feeder fault self-healing rate automatic analysis system according to claim 7, wherein the graph module is further configured to:
and displaying the distribution transformer fault rate and the user fault rate beside the target automatic switch primitive position of the automatic switch distribution diagram.
9. The automatic analysis system for the self-healing rate of the fault of the distribution network feeder according to claim 8, wherein the graphic module is further configured to:
displaying a self-healing rate keyword beside the self-healing power recovery area switch primitive position of the automatic switch distribution diagram;
and displaying fault rate keywords beside the position of the target automatic switch primitive of the automatic switch distribution diagram.
10. The utility model provides a join in marriage net feeder fault self-healing rate autoanalysis equipment which characterized in that, equipment includes treater and memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the method for automatically analyzing the self-healing rate of the distribution network feeder fault according to any one of claims 1 to 5 according to instructions in the program code.
CN202110487906.0A 2021-05-06 2021-05-06 Distribution network feeder fault self-healing rate automatic analysis method, system and equipment Active CN112986746B (en)

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