CN115483716A - Power distribution network adjusting method and device, computer equipment and storage medium - Google Patents

Power distribution network adjusting method and device, computer equipment and storage medium Download PDF

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Publication number
CN115483716A
CN115483716A CN202211189670.3A CN202211189670A CN115483716A CN 115483716 A CN115483716 A CN 115483716A CN 202211189670 A CN202211189670 A CN 202211189670A CN 115483716 A CN115483716 A CN 115483716A
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China
Prior art keywords
recovery rate
switch
distribution transformer
users
user
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CN202211189670.3A
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Chinese (zh)
Inventor
胡兆华
高锋
刘博�
王碧
徐浩
李扬
杨小卫
林修莹
黄焕彬
张霖
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Shenzhen Power Supply Bureau Co Ltd
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Shenzhen Power Supply Bureau Co Ltd
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Priority to CN202211189670.3A priority Critical patent/CN115483716A/en
Publication of CN115483716A publication Critical patent/CN115483716A/en
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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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
    • 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
    • H02J3/001—Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • 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
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • 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
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • 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
    • H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The application relates to a power distribution network adjustment method, a power distribution network adjustment device, a computer device, a storage medium and a computer program product. The method comprises the following steps: acquiring a trip switch identifier corresponding to a trip switch in a target area; acquiring the number of power failure users caused by tripping of the tripping switch and the first number of distribution transformers in a non-working state based on the tripping switch identification; acquiring the number of the users of the power supply automatically recovered by the trip switch and the second number of the distribution transformers in the working state; obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users, and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number; and adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer. By adopting the method, the utilization rate of the power grid resources can be improved.

Description

Power distribution network adjusting method and device, computer equipment and storage medium
Technical Field
The present application relates to the field of automation technologies, and in particular, to a method, an apparatus, a computer device, a storage medium, and a computer program product for adjusting a power distribution network.
Background
With the development of automation technology, each power supplier vigorously promotes the automatic construction of a power distribution network, and through setting a switch with a remote control function and carrying out adjustment measures such as replacement or transformation on the switch with a non-remote control function, the running stability of the power distribution network is improved, and the influence of power distribution network faults on users is reduced.
In the traditional technology, a power supplier formulates an adjustment plan of a power distribution network according to experience, and reasonable guidance basis is lacked, so that the utilization rate of power grid resources is low.
Disclosure of Invention
In view of the above, it is necessary to provide a power distribution network adjusting method, an apparatus, a computer device, a computer readable storage medium, and a computer program product, which can improve the utilization rate of power grid resources.
In a first aspect, the present application provides a method for regulating a power distribution network. The method comprises the following steps:
acquiring a trip switch identifier corresponding to a trip switch in a target area;
acquiring the number of power failure users caused by tripping of the tripping switch and the first number of distribution transformers in a non-working state based on the tripping switch identification;
acquiring the number of power supply users automatically recovered by the trip switch and the second number of distribution transformers in a working state;
obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users, and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number;
and adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer.
In one embodiment, said obtaining the number of power outage subscribers caused by tripping of said trip switch and the first number of distribution transformers that become inactive based on said trip switch identification comprises:
acquiring a current power grid line graph corresponding to the target area;
determining a target distribution transformer controlled by the tripping switch based on a control relationship between a switch and a distribution transformer in the current power grid line diagram;
counting the number of the target distribution transformers to obtain a first number;
and acquiring the number of power failure users caused by tripping of the tripping switch based on the identification of the target distribution transformer corresponding to the target distribution transformer.
In one embodiment, the obtaining the number of users of power outage caused by tripping of the trip switch based on the identification of the target distribution transformer corresponding to the target distribution transformer includes:
acquiring a user identifier corresponding to the target distribution transformer identifier;
and counting the user identification to obtain the number of the power failure users caused by the tripping of the tripping switch.
In one embodiment, the obtaining an effective user recovery rate based on the number of outage users and the number of supply users, and the obtaining an effective distribution transformer recovery rate based on the first number and the second number includes:
calculating the ratio of the number of the power supply users to the number of the power failure users to obtain the effective recovery rate of the users;
and calculating the ratio of the second quantity to the first quantity to obtain the effective recovery rate of the distribution transformer.
In one embodiment, the adjusting the distribution network corresponding to the target area based on the user effective recovery rate and the distribution transformer effective recovery rate includes:
comparing the user effective recovery rate with a user recovery threshold value, and comparing the distribution transformer effective recovery rate with a distribution transformer recovery threshold value;
if the effective user recovery rate is smaller than the user recovery threshold value, or the effective distribution transformer recovery rate is smaller than the distribution transformer recovery threshold value, generating adjustment information corresponding to the trip switch; the adjustment information is indicative of an adjustment to at least one of the trip switch in the power distribution network and a switch within a feeder group controlled by the trip switch.
In one embodiment, the adjusting the distribution network corresponding to the target area based on the user effective recovery rate and the distribution transformer effective recovery rate includes:
acquiring a switch type corresponding to each tripping switch in a target time period;
on the basis of the switch types, counting the effective recovery rate of the user corresponding to each switch type to obtain a user recovery rate statistical value of each switch type, and counting the effective recovery rate of the distribution transformer corresponding to each switch type to obtain a distribution transformer recovery rate statistical value of each switch type;
respectively comparing the user recovery rate statistic value with the distribution transformer recovery rate statistic value, and determining the switch type corresponding to the maximum user recovery rate statistic value and the maximum distribution transformer recovery rate statistic value as a target type;
generating reference adjustment information based on the target type; the reference adjustment information is used to indicate an adjustment to the target type of switch in the power distribution network.
In a second aspect, the application further provides a power distribution network adjusting device. The device comprises:
the acquisition module is used for acquiring a trip switch identifier corresponding to a trip switch in a target area;
the power failure counting module is used for acquiring the number of power failure users caused by the tripping of the tripping switch and the first number of the distribution transformers in the non-working state based on the tripping switch identification;
the recovery counting module is used for acquiring the number of the power supply users automatically recovered by the trip switch and the second number of the distribution transformers in the working state;
the calculation module is used for obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number;
and the adjusting module is used for adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer.
In a third aspect, the present application also provides a computer device. The computer device comprises a memory storing a computer program and a processor implementing the following steps when executing the computer program:
acquiring a trip switch identifier corresponding to a trip switch in a target area;
acquiring the number of power failure users caused by tripping of the tripping switch and the first number of distribution transformers in a non-working state based on the tripping switch identification;
acquiring the number of the users of the power supply automatically recovered by the trip switch and the second number of the distribution transformers in the working state;
obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users, and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number;
and adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer.
In a fourth aspect, the present application further provides a computer-readable storage medium. The computer-readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of:
acquiring a trip switch identifier corresponding to a trip switch in a target area;
acquiring the number of power failure users caused by tripping of the tripping switch and the first number of distribution transformers in a non-working state on the basis of the tripping switch identification;
acquiring the number of the users of the power supply automatically recovered by the trip switch and the second number of the distribution transformers in the working state;
obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users, and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number;
and adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer. In a fifth aspect, the present application further provides a computer program product. The computer program product comprising a computer program which when executed by a processor performs the steps of:
acquiring a trip switch identifier corresponding to a trip switch in a target area;
acquiring the number of power failure users caused by tripping of the tripping switch and the first number of distribution transformers in a non-working state based on the tripping switch identification;
acquiring the number of power supply users automatically recovered by the trip switch and the second number of distribution transformers in a working state;
obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users, and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number;
and adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer.
The method, the device, the computer equipment, the storage medium and the computer program product for adjusting the distribution network obtain a trip switch identifier corresponding to a trip switch in a target area, obtain the number of power failure users caused by trip of the trip switch based on the trip switch identifier, obtain the first number of distribution transformers in a non-working state, obtain the number of power supply users automatically recovered by the trip switch, and obtain the second number of distribution transformers in a working state, obtain the effective recovery rate of users based on the number of power failure users and the number of power supply users, obtain the effective recovery rate of the distribution transformers based on the first number and the second number, and adjust the distribution network corresponding to the target area based on the effective recovery rate of the users and the effective recovery rate of the distribution transformers. The method comprises the steps of aiming at a trip switch tripped each time, calculating the number of power failure users and the first number caused by the fact that the trip switch is disconnected, calculating the number of power supply users and the second number recovered after the trip switch is recovered through automatic control, calculating the effective recovery rate of the users and the effective recovery rate of a distribution transformer corresponding to the process from tripping to automatic control recovery, analyzing the effective recovery rates of the users and the distribution transformer, and determining whether a distribution network needs to be adjusted or not.
Drawings
FIG. 1 is a diagram of an exemplary embodiment of a method for regulating a power distribution network;
FIG. 2 is a schematic flow diagram of a method for regulating a power distribution network in one embodiment;
FIG. 3 is a flowchart illustrating the counting of the number of blackout users and the first number in one embodiment;
FIG. 4 is a schematic flow chart of a power distribution network adjustment step in one embodiment;
FIG. 5 is a block diagram of a power distribution network regulating device in one embodiment;
FIG. 6 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad application.
The method for adjusting the power distribution network provided by the embodiment of the application can be applied to the application environment shown in fig. 1. Wherein the terminal 102 communicates with the server 104 via a network. The data storage system may store data that the server 104 needs to process. The data storage system may be integrated on the server 104 or may be placed on the cloud or other network server. The terminal and the server can be used independently for executing the power distribution network adjusting method provided by the embodiment of the application. The terminal and the server can also be cooperatively used for executing the power distribution network adjusting method provided in the embodiment of the application. For example, the server acquires a trip switch identifier corresponding to a trip switch in a target area, acquires the number of power failure users caused by trip of the trip switch based on the trip switch identifier, and acquires the number of power supply users who automatically recover the trip switch and the second number of power distribution transformers who become an operating state, based on the number of power failure users and the number of power supply users, obtains the effective recovery rate of the power distribution transformers based on the first number and the second number, and adjusts a power distribution network corresponding to the target area based on the effective recovery rate of the users and the effective recovery rate of the power distribution transformers. The terminal 102 may be, but not limited to, various personal computers, notebook computers, smart phones, tablet computers, internet of things devices and portable wearable devices, and the internet of things devices may be smart speakers, smart televisions, smart air conditioners, smart car-mounted devices, and the like. The portable wearable device can be a smart watch, a smart bracelet, a head-mounted device, and the like. The server 104 may be implemented as a stand-alone server or as a server cluster comprised of multiple servers.
In one embodiment, as shown in fig. 2, a power distribution network adjusting method is provided, and the method can be applied to a computer device, and the computer device can be a terminal or a server, and is executed by the terminal or the server itself, or can be realized through interaction between the terminal and the server. The embodiment is described by taking the method as an example applied to a computer device, and includes steps 202 to 210.
Step 202, obtaining a trip switch identifier corresponding to a trip switch in the target area.
The target area refers to an area to be subjected to power distribution network adjustment. The target area can be set according to actual conditions. For example, the target area may be a power supply area managed by a power supply station, or may be a power supply area managed by a power supply substation. The trip switch refers to a switch that changes from a closed state to an open state. It is understood that the connected switch is suddenly disconnected. The trip switch identification refers to the name of the trip switch. The trip switch identification may be comprised of one or more of letters, numbers and words. For example, an F10 garden switch.
Illustratively, the computer device obtains trip switch identifications corresponding to trip switches in the target area.
And step 204, acquiring the number of power failure users caused by tripping of the tripping switch and the first number of distribution transformers in a non-working state based on the tripping switch identification.
The number of users in power outage refers to the number of users who do not supply power to the power distribution network. The distribution transformer is an electric power device which transforms alternating current voltage and current according to an electromagnetic induction law in a distribution system and transmits alternating current energy. The first number refers to the number of distribution transformers that are not operating due to the trip switch. It can be understood that the number of distribution transformers controlled by the trip switch.
Illustratively, the computer device obtains, based on the trip switch identification, a number of power outage subscribers due to the trip switch, and a first number of distribution transformers that were in an inoperative state due to the trip switch.
In step 206, the number of users of the power supply automatically recovered by the trip switch and the second number of distribution transformers that become operational are obtained.
The automatic recovery means recovery by an automatic control mode.
Illustratively, the computer device obtains a number of supply subscribers for trip switch automatic recovery and a second number of distribution transformers that become operational because the trip switch automatic recovery.
In one embodiment, the computer device obtains that the number of the power supply users for automatically recovering the trip switch is zero, obtains that the second number of the distribution transformers which become the working state because the trip switch is automatically recovered is also zero, judges that the trip switch is a non-remote control switch, and generates the adjustment information corresponding to the trip switch.
And step 208, obtaining the effective recovery rate of the users based on the number of the power failure users and the number of the power supply users, and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number.
The effective user recovery rate is the ratio of the number of recovered power supply users to the number of power failure users. The distribution transformer effective recovery rate is a ratio of the number of distribution transformers which recover the operating state to the number of distribution transformers which become the non-operating state.
Illustratively, the computer device calculates the effective recovery rate of users according to the number of the users in power failure and the number of the users in power supply, and calculates the effective recovery rate of the distribution transformer according to the first number and the second number.
And step 210, adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer.
The power distribution network refers to a network formed by power distribution lines. The distribution line is a line for supplying power to a user. Tuning refers to replacing, modifying, or adding equipment to a device in a power distribution network.
Illustratively, the computer device adjusts the distribution network corresponding to the target area according to the user effective recovery rate and the distribution transformer effective recovery rate.
In the distribution network adjusting method, the trip switch identification corresponding to the trip switch in the target area is obtained, the number of power failure users caused by trip of the trip switch is obtained based on the trip switch identification, the first number of distribution transformers in a non-working state is obtained, the number of power supply users automatically recovered by the trip switch is obtained, the second number of distribution transformers in a working state is obtained, the effective recovery rate of the users is obtained based on the number of the power failure users and the number of the power supply users, the effective recovery rate of the distribution transformers is obtained based on the first number and the second number, and the distribution network corresponding to the target area is adjusted based on the effective recovery rate of the users and the effective recovery rate of the distribution transformers. The method comprises the steps of aiming at a trip switch tripped each time, calculating the number of power failure users and the first number caused by the fact that the trip switch is disconnected, calculating the number of power supply users and the second number recovered after the trip switch is recovered through automatic control, calculating the effective recovery rate of the users and the effective recovery rate of a distribution transformer corresponding to the process from tripping to automatic control recovery, analyzing the effective recovery rates of the users and the distribution transformer, and determining whether a distribution network needs to be adjusted or not.
In one embodiment, as shown in fig. 3, the number of power outage subscribers caused by tripping of the trip switch is obtained based on the trip switch identification, and the first number of distribution transformers that become non-operational is included.
Step 302, obtaining a current power grid circuit diagram corresponding to the target area.
The grid line diagram refers to a diagram containing power equipment (substations, lines, distribution transformers, switches and the like) and topological relations among the power equipment. It is understood that a plurality of lines form a diagram, and the diagram includes distribution transformers, switches and other devices in the lines.
Illustratively, the computer device obtains a current grid layout corresponding to the target area.
Step 304, determining a target distribution transformer controlled by the tripping switch based on the control relationship between the switch and the distribution transformer in the current grid line diagram.
Illustratively, the computer device determines the distribution transformer controlled by the trip switch according to the control relation between the switch and the distribution transformer in the current power grid line diagram, and determines the distribution transformer controlled by the trip switch as the target distribution transformer.
Step 306, counting the number of target distribution transformers to obtain a first number.
Illustratively, the computer device counts the number of the target distribution transformers, and the counted result is a first number.
And 308, acquiring the number of power failure users caused by tripping of the tripping switch based on the target distribution transformer identification corresponding to the target distribution transformer.
Illustratively, the computer device obtains a target distribution transformer identification of a target distribution transformer, and obtains the number of power outage users caused by the trip switch according to the target distribution transformer identification.
In this embodiment, the distribution network is a dynamic network, and the target distribution transformer controlled by the trip switch is determined according to the control relationship between the switch and the distribution transformer in the current circuit diagram, so that the accuracy of the target distribution transformer is improved, and the first number and the number of the power failure users are determined based on the target distribution transformer, so that the accuracy of the first number and the number of the power failure users is improved.
In one embodiment, based on the identification of the target distribution transformer corresponding to the target distribution transformer, acquiring the number of users with power outage caused by tripping of the trip switch includes:
acquiring a user identifier corresponding to the target distribution transformer identifier; and counting the user identification to obtain the number of the power failure users caused by tripping of the tripping switch.
The user identification refers to the name of the electricity user.
Illustratively, the computer device acquires a user identifier corresponding to each target distribution transformer identifier, counts the number of the acquired user identifiers, and the counted result is the number of power failure users caused by tripping of the trip switch.
In one embodiment, the computer device sends a target distribution transformer identification to a power system customer service system, wherein relevant information of each user is recorded in the power system customer service system, the relevant information comprises the user identification and a distribution transformer identification for supplying power to the user, after the power system customer service system receives the target distribution transformer identification, the user identification associated with the target distribution transformer identification is returned to the computer device, the computer device receives the user identification, and then the number of the user identifications is counted to obtain the number of power outage users caused by the trip switch.
In the embodiment, the user information corresponding to the target distribution transformer identification is obtained, the accuracy of the user information is improved, the number of power failure users is obtained by counting the user identification, and the accuracy of the number of the power failure users is improved.
In one embodiment, obtaining the effective recovery rate of the users based on the number of the power outage users and the number of the power supply users comprises:
calculating the ratio of the number of power supply users to the number of power failure users to obtain the effective recovery rate of the users; and calculating the ratio of the second quantity to the first quantity to obtain the effective recovery rate of the distribution transformer.
Wherein, the proportion refers to the proportion of the number of the individual in the total number, and is expressed by the common percentage.
Illustratively, the effective recovery rate of the users is obtained by dividing the number of the power supply users by the number of the power failure users for the computer equipment, and the effective recovery rate of the distribution transformer is obtained by dividing the second number by the first number.
In this embodiment, the effective recovery rate of the user represents the ratio of the number of users in power outage, the effective recovery rate of the distribution transformer represents the ratio of the second number in the first number, and both the effective recovery rate of the user and the effective recovery rate of the distribution transformer represent the effect obtained by the trip switch through automatic control recovery.
In one embodiment, adjusting the distribution network corresponding to the target area based on the user effective recovery rate and the distribution transformer effective recovery rate comprises:
comparing the user effective recovery rate with a user recovery threshold value, and comparing the distribution transformer effective recovery rate with a distribution transformer recovery threshold value; if the effective recovery rate of the user is smaller than the recovery threshold of the user or the effective recovery rate of the distribution transformer is smaller than the recovery threshold of the distribution transformer, generating adjustment information corresponding to the trip switch; the adjustment information is used to indicate an adjustment to be made to at least one of a trip switch in the power distribution network and a switch within a feeder group controlled by the trip switch.
The user recovery threshold is a threshold corresponding to the effective recovery rate of the user. It will be appreciated that a minimum user effective recovery rate for the distribution network is not required to be adjusted. The recovery threshold value of the distribution transformer is a threshold value corresponding to the effective recovery rate of the distribution transformer. It will be appreciated that the minimum distribution transformer effective recovery rate that is not required to make adjustments to the distribution network. The feeder line group is a feeder line connection combination formed by a plurality of feeder lines which have physical connection relation and can mutually transfer and supply through a connection switch.
Illustratively, the computer device compares the user effective recovery rate to a user recovery threshold, and if the user effective recovery rate is less than the user recovery threshold, or compares the distribution transformer effective recovery rate to a distribution transformer recovery threshold, and if the distribution transformer effective recovery rate is less than the distribution transformer recovery threshold, generates adjustment information corresponding to the trip switch, the adjustment information indicating an adjustment to at least one of the trip switch in the distribution network and a switch within the group of feeders controlled by the trip switch.
In the embodiment, the effective recovery rate of the user is compared with the user recovery threshold value, and the effective recovery rate of the distribution transformer is compared with the recovery threshold value of the distribution transformer, so that whether the distribution network needs to be adjusted is determined, the flexibility of adjustment of the distribution network is improved, a basis is provided for adjustment of the distribution network, the position and the object of adjustment in the distribution network at this time are determined according to the position of the trip switch, the accuracy of adjustment of the distribution network is improved, and the utilization rate of power grid resources is improved.
In one embodiment, as shown in fig. 4, adjusting the distribution network corresponding to the target area based on the user effective recovery rate and the distribution transformer effective recovery rate includes:
step 402, obtaining the switch type corresponding to each tripping switch in the target time period. Wherein, the target time period refers to a period of time in the past. The target time period may be a set time period, or a time period input by an operator through triggering the time period setting control. For example, the first half of a year is set as one target time period, and the second half of a year is set as one target time period. The switch type refers to the switch class to which the trip switch belongs. The switch types include, but are not limited to, a main transformer low-voltage main switch (main transformer low-voltage main switch is a transformer substation connected to a 10kV bus in the substation, and the switch is tripped to affect multiple 10kV feeders at the same time), an in-station feeder switch (in-station feeder switch is a feeder main switch connected to a 10kV bus in the substation, and the switch is tripped to affect 1 10kV feeder), a section switch (section switch is a main switch outside the substation for dividing a feeder main line into multiple sections, and the switch is tripped to affect one section on the 10kV feeder), a multi-user boundary switch (multi-user boundary switch is a branch switch outside the substation for dividing multiple user power supply devices from the main line), and the like. Illustratively, the computer device obtains switch types corresponding to the trip switches in the target time period.
In one embodiment, the computer device obtains a start time and an end time of a target time period, obtains a trip time corresponding to each trip switch, determines the trip switches with the trip times between the start time and the end time as the trip switches in the target time period, and then obtains a switch type corresponding to each challenge switch in the target time period.
And 404, counting the effective recovery rate of the user corresponding to each switch type based on the switch types to obtain a user recovery rate statistical value of each switch type, and counting the effective recovery rate of the distribution transformer corresponding to each switch type to obtain a distribution transformer recovery rate statistical value of each switch type.
Illustratively, the computer device respectively counts the effective user recovery rate corresponding to each switch type to obtain a user recovery rate statistical value corresponding to each switch type; and respectively counting the effective recovery rate of the distribution transformer corresponding to each switch type to obtain a statistical value of the recovery rate of the distribution transformer corresponding to each switch type.
In one embodiment, the computer device adds the effective user recovery rates corresponding to each switch type to obtain a user recovery rate statistic value corresponding to each switch type; and respectively adding the effective recovery rates of the distribution transformers corresponding to each switch type to obtain a statistical value of the recovery rates of the distribution transformers corresponding to each switch type.
In one embodiment, the computer device adds the user effective recovery rates corresponding to each switch type to obtain a user effective recovery rate accumulated value, counts the number of the trip switches of each switch type to obtain the number of the trip switches, and divides the user effective recovery rate accumulated value by the number of the trip switches corresponding to the same switch type to obtain a user recovery rate statistical value corresponding to each switch type; and respectively adding the effective recovery rates of the distribution transformers corresponding to each switch type to obtain an effective recovery rate accumulated value of the distribution transformers, and dividing the effective recovery rate accumulated value of the distribution transformers by the number of tripping switches corresponding to the same switch type to obtain a recovery rate statistical value of the distribution transformers corresponding to each switch type.
And 406, comparing the user recovery rate statistic value with the distribution transformer recovery rate statistic value respectively, and determining the switch type corresponding to the maximum user recovery rate statistic value and the maximum distribution transformer recovery rate statistic value as a target type.
Illustratively, the computer device compares the user recovery rate statistics corresponding to each switch type to obtain a maximum user recovery rate statistic, then compares the distribution transformer recovery rate statistics corresponding to each switch type to obtain a maximum distribution transformer recovery rate statistic, and determines the switch type corresponding to the maximum user recovery rate statistic and the maximum distribution transformer recovery rate statistic as the target type.
In one embodiment, the computer device determines the switch type corresponding to the maximum user recovery rate statistic as a first target type, and determines the switch type corresponding to the maximum distribution transformer recovery rate statistic as a second target type, where the first target type and the second target type may be the same switch type or different switch types. It is understood that the target types may be one or two.
Step 408, generating reference adjustment information based on the target type; the reference adjustment information is used to indicate an adjustment to a target type of switch in the power distribution network.
Illustratively, the computer device generates adjustment information based on the target type, the adjustment information indicating an adjustment to a switch of the target type in the power distribution network.
In the embodiment, the effective recovery rate of the user corresponding to each switch type is counted to obtain the user recovery rate statistical value of each switch type, the effective recovery rate of the distribution transformer corresponding to each switch type is counted to obtain the distribution transformer recovery rate statistical value of each switch type, then the user recovery rate statistical value of each switch type is compared with the distribution transformer recovery rate statistical value to obtain the target type switch, and reference adjustment information is generated according to the target type switch, so that not only is the flexibility of adjustment of the distribution network improved, but also a basis is provided for adjustment of the distribution network, the adjusted target type switch is determined according to the user recovery rate statistical value and the distribution transformer recovery rate statistical value, the accuracy of adjustment of the distribution network is improved, and the utilization rate of power grid resources is improved.
In one exemplary embodiment, the power distribution network adjustment method comprises the steps of:
an OMS (output management system) acquires a trip switch identifier corresponding to a trip switch from a main distribution integrated dispatching automation system, adjusts the trip switch corresponding to the trip switch identifier in a power grid circuit diagram from a connection state to a disconnection state, acquires an updated current power grid circuit diagram, determines a distribution transformer controlled by the trip switch according to a control relation between a switch and a distribution transformer in the current power grid circuit diagram, determines the distribution transformer controlled by the trip switch as a target distribution transformer, counts the number of the target distribution transformer to obtain a first number, acquires a target distribution transformer identifier of the target distribution transformer, sends the target distribution transformer identifier to a power system client service system, returns a user identifier associated with the target distribution transformer identifier to the OMS after the power system client service system receives the target distribution transformer identifier, receives the user identifier, and counts the number of the user identifier to obtain the number of power failures caused by the trip switch. And the OMS system receives a message of self-healing and power restoration of the trip switches (automatically isolating the fault and restoring the trip switches according to the received fault indication signal) sent by the main distribution integrated dispatching automation system, adjusts the trip switches corresponding to the trip switch identifiers in the power grid circuit diagram from a disconnected state to a connected state, and repeats the process to obtain the number of the power supply users and the second number of the distribution transformers in the working state.
And the OMS system divides the number of the power supply users by the number of the power failure users to obtain the effective recovery rate of the users, and divides the second number by the first number to obtain the effective recovery rate of the distribution transformer. And then comparing the effective recovery rate of the user with a user recovery threshold value, comparing the effective recovery rate of the distribution transformer with a distribution transformer recovery threshold value, and if the effective recovery rate of the user is smaller than the user recovery threshold value or the effective recovery rate of the distribution transformer is smaller than the distribution transformer recovery threshold value, generating adjustment information corresponding to the trip switch, wherein the adjustment information is used for indicating at least one of the trip switch in the distribution network and a switch in a feeder group controlled by the trip switch to be adjusted.
The OMS system obtains the switch types corresponding to the tripping switches in the target time period, the user effective recovery rate corresponding to each switch type is counted to obtain the user recovery rate statistical value of each switch type, and the distribution transformer effective recovery rate corresponding to each switch type is counted to obtain the distribution transformer recovery rate statistical value of each switch type. And then comparing the user recovery rate statistical values corresponding to the switch types to obtain the maximum user recovery rate statistical value, then comparing the distribution transformer recovery rate statistical values corresponding to the switch types to obtain the maximum distribution transformer recovery rate statistical value, determining the maximum user recovery rate statistical value and the switch type corresponding to the maximum distribution transformer recovery rate statistical value as a target type, and generating reference adjustment information according to the target type, wherein the reference adjustment information is used for indicating the adjustment of the target type switch in the distribution network.
Obtain the trip switch sign that trip switch corresponds in the target area, based on the trip switch sign, obtain the power failure user number that the trip switch tripping operation leads to, and become the first quantity of non-operating condition's distribution transformer, obtain the power supply user number that trip switch automatic recovery, and become operating condition's distribution transformer's second quantity, obtain the effective recovery rate of user based on the power failure user number and the power supply user number, obtain the effective recovery rate of distribution transformer based on first quantity and second quantity, based on the effective recovery rate of user and the effective recovery rate of distribution transformer, the distribution network who corresponds the target area is adjusted. Aiming at a trip switch tripped each time, the number of power failure users and the first number caused by the fact that the trip switch is disconnected are adopted, the number of power supply users and the second number recovered after the trip switch is recovered through automatic control are calculated, the effective recovery rate of the users and the effective recovery rate of a distribution transformer corresponding to the process from tripping to automatic control recovery are calculated, whether the distribution network needs to be adjusted or not is determined through analyzing the effective recovery rate of the users and the effective recovery rate of the distribution transformer, the flexibility of adjustment of the distribution network is improved, a basis is provided for adjustment of the distribution network, the position and the object of adjustment in the distribution network are determined according to the position of the trip switch, the accuracy of adjustment of the distribution network is improved, and therefore the utilization rate of power grid resources is improved.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially 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 a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the present application further provides a power distribution network adjusting device for implementing the above-mentioned power distribution network adjusting method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme described in the above method, so specific limitations in one or more embodiments of the power distribution network adjusting device provided below can be referred to the limitations in the above power distribution network adjusting method, and details are not described herein again.
In one embodiment, as shown in fig. 5, there is provided a power distribution network regulating device, comprising: the device comprises an acquisition module, a power failure statistics module, a recovery statistics module, a calculation module and an adjustment module, wherein:
an obtaining module 502, configured to obtain a trip switch identifier corresponding to a trip switch in a target area;
a power failure statistics module 504, configured to obtain, based on the trip switch identifier, a number of power failure users due to tripping of the trip switch, and a first number of distribution transformers in a non-operating state;
a recovery counting module 506, configured to obtain the number of power supply users automatically recovered by the trip switch, and a second number of distribution transformers that become in a working state;
a calculating module 508, configured to obtain an effective user recovery rate based on the number of power outage users and the number of power supply users, and obtain an effective distribution transformer recovery rate based on the first number and the second number;
and an adjusting module 510, configured to adjust the power distribution network corresponding to the target area based on the user effective recovery rate and the distribution transformer effective recovery rate.
In one embodiment, the outage statistics module 504 is further configured to: acquiring a current power grid line graph corresponding to the target area; determining a target distribution transformer controlled by the tripping switch based on a control relationship between a switch and a distribution transformer in the current power grid line diagram; counting the number of the target distribution transformers to obtain a first number; and acquiring the number of power failure users caused by tripping of the tripping switch based on the target distribution transformer identification corresponding to the target distribution transformer.
In one embodiment, the outage statistics module 504 is further configured to: acquiring a user identifier corresponding to the target distribution transformer identifier; and counting the user identification to obtain the number of the power failure users caused by tripping of the tripping switch.
In one embodiment, the calculation module 508 is further configured to: calculating the ratio of the number of the power supply users to the number of the power outage users to obtain the effective recovery rate of the users; and calculating the ratio of the second quantity to the first quantity to obtain the effective recovery rate of the distribution transformer.
In one embodiment, the adjustment module 510 is further configured to: comparing the user effective recovery rate with a user recovery threshold value, and comparing the distribution transformer effective recovery rate with a distribution transformer recovery threshold value; if the effective user recovery rate is smaller than the effective user recovery threshold value or the effective distribution transformer recovery rate is smaller than the effective distribution transformer recovery threshold value, generating adjustment information corresponding to the trip switch; the adjustment information is indicative of an adjustment to at least one of the trip switch in the power distribution network and a switch within a feeder group controlled by the trip switch.
In one embodiment, the adjustment module 510 is further configured to: acquiring a switch type corresponding to each tripping switch in a target time period; on the basis of the switch types, counting the effective recovery rate of the user corresponding to each switch type to obtain a user recovery rate statistical value of each switch type, and counting the effective recovery rate of the distribution transformer corresponding to each switch type to obtain a distribution transformer recovery rate statistical value of each switch type; respectively comparing the user recovery rate statistic value with the distribution transformer recovery rate statistic value, and determining the switch type corresponding to the maximum user recovery rate statistic value and the maximum distribution transformer recovery rate statistic value as a target type; generating reference adjustment information based on the target type; the reference adjustment information is used to indicate an adjustment to the target type of switch in the power distribution network. The modules in the above-described power distribution network adjusting apparatus may be implemented in whole or in part by software, hardware, and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 6. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for carrying out wired or wireless communication with an external terminal, and the wireless communication can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program is executed by a processor to implement a power distribution network adjustment method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 6 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is further provided, which includes a memory and a processor, the memory stores a computer program, and the processor implements the steps of the above method embodiments when executing the computer program.
In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
In an embodiment, a computer program product is provided, comprising a computer program which, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.
It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for analysis, stored data, displayed data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include a Read-Only Memory (ROM), a magnetic tape, a floppy disk, a flash Memory, an optical Memory, a high-density embedded nonvolatile Memory, a resistive Random Access Memory (ReRAM), a Magnetic Random Access Memory (MRAM), a Ferroelectric Random Access Memory (FRAM), a Phase Change Memory (PCM), a graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims (10)

1. A method of regulating a power distribution network, the method comprising:
acquiring a trip switch identifier corresponding to a trip switch in a target area;
acquiring the number of power failure users caused by tripping of the tripping switch and the first number of distribution transformers in a non-working state based on the tripping switch identification;
acquiring the number of power supply users automatically recovered by the trip switch and the second number of distribution transformers in a working state;
obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users, and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number;
and adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer.
2. The method of claim 1, wherein obtaining, based on the trip switch identification, a number of power outage subscribers due to tripping of the trip switch and the first number of distribution transformers that became inactive comprises:
acquiring a current power grid line graph corresponding to the target area;
determining a target distribution transformer controlled by the tripping switch based on a control relationship between a switch and a distribution transformer in the current power grid line diagram;
counting the number of the target distribution transformers to obtain a first number;
and acquiring the number of power failure users caused by tripping of the tripping switch based on the target distribution transformer identification corresponding to the target distribution transformer.
3. The method of claim 2, wherein the obtaining the number of users of the power outage caused by the tripping of the tripping switch based on the target distribution transformer identification corresponding to the target distribution transformer comprises:
acquiring a user identifier corresponding to the target distribution transformer identifier;
and counting the user identification to obtain the number of the power failure users caused by the tripping of the tripping switch.
4. The method of claim 1, wherein said deriving a subscriber effective recovery rate based on said number of outage subscribers and said number of supply subscribers, and wherein deriving a distribution transformer effective recovery rate based on said first number and said second number comprises:
calculating the ratio of the number of the power supply users to the number of the power failure users to obtain the effective recovery rate of the users;
and calculating the ratio of the second quantity in the first quantity to obtain the effective recovery rate of the distribution transformer.
5. The method of claim 1, wherein the adjusting the distribution network corresponding to the target area based on the user effective recovery rate and the distribution transformer effective recovery rate comprises:
comparing the user effective recovery rate with a user recovery threshold value, and comparing the distribution transformer effective recovery rate with a distribution transformer recovery threshold value;
if the effective user recovery rate is smaller than the effective user recovery threshold value or the effective distribution transformer recovery rate is smaller than the effective distribution transformer recovery threshold value, generating adjustment information corresponding to the trip switch; the adjustment information is indicative of an adjustment to at least one of the trip switch in the power distribution network and a switch within a feeder group controlled by the trip switch.
6. The method of claim 1, wherein the adjusting the distribution network corresponding to the target area based on the user effective recovery rate and the distribution transformer effective recovery rate comprises:
acquiring a switch type corresponding to each tripping switch in a target time period;
on the basis of the switch types, counting the effective recovery rate of the user corresponding to each switch type to obtain a user recovery rate statistical value of each switch type, and counting the effective recovery rate of the distribution transformer corresponding to each switch type to obtain a distribution transformer recovery rate statistical value of each switch type;
respectively comparing the user recovery rate statistic value with the distribution transformer recovery rate statistic value, and determining the switch type corresponding to the maximum user recovery rate statistic value and the maximum distribution transformer recovery rate statistic value as a target type;
generating reference adjustment information based on the target type; the reference adjustment information is used to indicate an adjustment to the target type of switch in the power distribution network.
7. A power distribution network regulation device, the device comprising:
the acquisition module is used for acquiring a trip switch identifier corresponding to a trip switch in a target area;
the power failure counting module is used for acquiring the number of power failure users caused by the tripping of the tripping switch and the first number of the distribution transformers in the non-working state based on the tripping switch identification;
the recovery counting module is used for acquiring the number of power supply users automatically recovered by the trip switch and the second number of distribution transformers in a working state;
the calculation module is used for obtaining the effective recovery rate of users based on the number of the power failure users and the number of the power supply users and obtaining the effective recovery rate of the distribution transformer based on the first number and the second number;
and the adjusting module is used for adjusting the power distribution network corresponding to the target area based on the effective recovery rate of the user and the effective recovery rate of the power distribution transformer.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 6 when executed by a processor.
CN202211189670.3A 2022-09-28 2022-09-28 Power distribution network adjusting method and device, computer equipment and storage medium Pending CN115483716A (en)

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