CN111639853A - Load shedding method, device, equipment and medium for power distribution network - Google Patents

Load shedding method, device, equipment and medium for power distribution network Download PDF

Info

Publication number
CN111639853A
CN111639853A CN202010466727.4A CN202010466727A CN111639853A CN 111639853 A CN111639853 A CN 111639853A CN 202010466727 A CN202010466727 A CN 202010466727A CN 111639853 A CN111639853 A CN 111639853A
Authority
CN
China
Prior art keywords
load
distribution network
shedding
power distribution
load shedding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010466727.4A
Other languages
Chinese (zh)
Inventor
周挺
刘林
费益军
刘玙
陈金忠
张鹏和
贾红帅
周前
徐捷
潘安
刘东洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Ruiying Zhituo Technology Development Co ltd
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
Beijing Ruiying Zhituo Technology Development Co ltd
State Grid Jiangsu Electric Power Co Ltd
Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Ruiying Zhituo Technology Development Co ltd, State Grid Jiangsu Electric Power Co Ltd, Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd filed Critical Beijing Ruiying Zhituo Technology Development Co ltd
Priority to CN202010466727.4A priority Critical patent/CN111639853A/en
Publication of CN111639853A publication Critical patent/CN111639853A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • 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
    • H02J3/003—Load forecast, e.g. methods or systems for forecasting future load demand

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Human Resources & Organizations (AREA)
  • Economics (AREA)
  • Strategic Management (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Health & Medical Sciences (AREA)
  • Educational Administration (AREA)
  • Marketing (AREA)
  • Development Economics (AREA)
  • Theoretical Computer Science (AREA)
  • Tourism & Hospitality (AREA)
  • Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Primary Health Care (AREA)
  • Water Supply & Treatment (AREA)
  • General Health & Medical Sciences (AREA)
  • Game Theory and Decision Science (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The embodiment of the invention discloses a load shedding method, a device, equipment and a medium for a power distribution network, wherein the load shedding method for the power distribution network comprises the following steps: according to the multi-dimensional attributes of the loads, evaluating the loads to obtain scores corresponding to the loads; sorting the cutting priorities of the loads according to the scores, and obtaining the total amount of the cutting loads according to a sorting result; sending the total amount of the load to a control station of the load, and receiving a load cutting instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the shed load; and controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network. The load shedding method, the load shedding device, the load shedding equipment and the load shedding medium for the power distribution network, which are provided by the embodiment of the invention, can improve the load shedding reliability of the power distribution network, namely the reliability of the operation of the power grid.

Description

Load shedding method, device, equipment and medium for power distribution network
Technical Field
The embodiment of the invention relates to the power grid load control technology, in particular to a method, a device, equipment and a medium for load shedding of a power distribution network.
Background
In an electric power system, if a power grid has a serious fault, the power grid can not normally operate, and huge economic loss is caused, at the moment, the total amount of loads to be cut needs to be determined according to requirements, and the loads are cut for the power grid, so that the power grid fault is effectively responded. Therefore, in order to safely and reliably operate the power grid and reduce economic loss, load shedding needs to be carried out on the power distribution network.
At present, when the load of a power grid is cut after a serious fault occurs in the power grid, the load of the power grid is generally cut according to the weight or priority sequence of each load cutting execution station in the conventional load cutting method for the power distribution network, but the problem of large overload of the load exists, and the reliability of the operation of the power grid is influenced.
Disclosure of Invention
The embodiment of the invention provides a load shedding method, a load shedding device, load shedding equipment and a load shedding medium for a power distribution network, which are used for improving the load shedding reliability of the power distribution network, namely the reliability of power grid operation.
In a first aspect, an embodiment of the present invention provides a load shedding method for a power distribution network, including:
according to the multi-dimensional attributes of the loads, evaluating the loads to obtain scores corresponding to the loads;
sorting the cutting priorities of the loads according to the scores, and obtaining the total amount of the cutting loads according to a sorting result;
sending the total amount of the load to a control station of the load, and receiving a load cutting instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the shed load;
and controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
Optionally, evaluating each load according to the multidimensional attribute of each load to obtain a corresponding score includes:
taking the multi-dimensional attributes of each load as evaluation indexes to obtain the evaluation indexes corresponding to the dimensional attributes; wherein, the evaluation index corresponds to the index score;
different weights are assigned to the evaluation indexes, and the product of the corresponding weight and the index score is used as a score corresponding to the load.
Optionally, the sorting the shedding priorities of the loads according to the scores and obtaining the total amount of the shed loads according to the sorting result includes:
sequencing the cutting priorities of the loads according to the size sequence of the scores to obtain a sequencing result;
and determining the switchable load quantity of each load according to the sequencing result, and taking the sum of the switchable load quantities of each load as the switchable load total quantity.
Optionally, the load shedding instruction is a delay load shedding instruction, and the delay load shedding instruction includes delay time of load shedding;
controlling the corresponding load switch to trip according to the load shedding instruction, comprising:
and after the delay time of the delay load-cutting instruction is received, controlling the corresponding load switch to trip according to the delay load-cutting instruction.
Optionally, the method further includes:
collecting electric quantity data of a line where each load is located; wherein the electrical quantity data comprises voltage and current;
and when the load exceeds a preset load threshold value and/or the electric quantity data exceeds a corresponding preset electric quantity threshold value, sending out a voice alarm prompt and/or a text alarm prompt.
Optionally, the method further includes:
the load amount of each load is recorded and stored.
Optionally, the multi-dimensional attributes include outage loss, sensitivity and electrical distance of the connected load.
In a second aspect, an embodiment of the present invention further provides a load shedding device for a power distribution network, including:
the load evaluation module is used for evaluating each load according to the multi-dimensional attributes of each load to obtain a score corresponding to each load;
the load determining module is used for sequencing the cutting priority of each load according to the scores and obtaining the total amount of the cutting loads according to the sequencing result;
the load sending and instruction receiving module is used for sending the total amount of the load to the control station of the load and receiving a load cutting instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the shed load;
and the tripping control module is used for controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
In a third aspect, an embodiment of the present invention further provides an electronic device, including: memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor when executing the computer program implements the method for load shedding for a power distribution network according to the first aspect.
In a fourth aspect, an embodiment of the present invention further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, implement the load shedding method for the power distribution network according to the first aspect.
According to the load shedding method, the device, the equipment and the medium for the power distribution network, provided by the embodiment of the invention, each load is evaluated according to the multidimensional attribute of each load to obtain the score corresponding to each load, the shedding priority of each load is sequenced according to the scores, the total amount of the shed loads is obtained according to the sequencing result, the total amount of the shed loads is sent to a control station of the loads, and a load shedding instruction fed back by the control station of the loads is received, so that the corresponding load switch is controlled to trip according to the load shedding instruction to carry out load shedding on the power distribution network. According to the load shedding method for the power distribution network, the loads of the power distribution network are shed based on the multi-dimensional attributes of the loads and the shedding priorities of the loads, the load shedding reliability is prevented from being influenced due to the fact that the dimensional attributes of the loads are not considered, and therefore the load shedding reliability of the power distribution network is improved by combining the dimensional attributes of the loads, namely the operation reliability of the power distribution network is improved.
Drawings
Fig. 1 is a flowchart of a load shedding method for a power distribution network according to an embodiment of the present invention;
fig. 2 is a flowchart of a load shedding method for a power distribution network according to a second embodiment of the present invention;
fig. 3 is a block diagram of a load shedding device for a power distribution network according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a load shedding method for a power distribution network according to an embodiment of the present invention, where the present embodiment is applicable to load shedding for the power distribution network, and the method may be executed by a load shedding device for the power distribution network, where the device may be implemented by software and/or hardware, and the device may be integrated in an electronic device with a load shedding function for the power distribution network, such as a computer, and specifically includes the following steps:
and step 110, evaluating each load according to the multidimensional attribute of each load to obtain a score corresponding to each load.
The power distribution network load shedding device can store multi-dimensional attributes of the connected loads, and the multi-dimensional attributes can comprise interruption loss, affiliated power utilization departments, sensitivity, electrical distances and the like of the loads connected with the power distribution network load shedding device. The loads can be evaluated according to the multidimensional attributes of the loads, for example, the multidimensional attributes of the loads are used as evaluation indexes to obtain the evaluation indexes corresponding to the multidimensional attributes, different weights are distributed to the evaluation indexes, and the product of the corresponding weights and the index scores is used as the scores corresponding to the loads to sort the cutting priorities of the loads.
And 120, sequencing the cutting priorities of the loads according to the scores, and obtaining the total amount of the cut loads according to the sequencing result.
Specifically, the cutting priorities of the loads can be sorted according to the size sequence of the scores to obtain a sorting result, the cuttable load quantity of each load is determined according to the sorting result, and the sum of the cuttable load quantities of each load is used as the total cuttable load quantity. If the sequence has a certain corresponding relationship with the amount of the load that can be cut, the specific corresponding relationship can be set according to the actual situation, and is not limited herein.
And step 130, sending the total amount of the load shedding to a control station of the load, and receiving a load shedding instruction fed back by the control station of the load.
The load shedding instruction can be obtained based on the total amount of the load shedding, the control station of the load can set priority to the load shedding device of the power distribution network, and the corresponding load shedding instruction is sent to the load shedding device of the power distribution network according to the total amount of the load shedding and the priority of the load shedding device of the power distribution network, so that the load shedding device of the power distribution network can carry out load shedding on the power distribution network.
And 140, controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
Specifically, the load shedding device of the power distribution network controls the corresponding load switches to trip according to load shedding instructions fed back by a control station of received loads, if the received load shedding instructions are full load shedding instructions, the connected load switches are controlled to trip, and if the received load shedding instructions are load shedding capacity instructions, the connected load switches corresponding to the loads with the corresponding load capacities are controlled to trip, so that the loads of the power distribution network are shed.
According to the load shedding method for the power distribution network, each load is evaluated according to the multi-dimensional attributes of each load to obtain a score corresponding to each load, the shedding priorities of each load are sorted according to the scores, the total amount of the shedding loads is obtained according to the sorting result, the total amount of the shedding loads is sent to a control station of the loads, and a load shedding instruction fed back by the control station of the loads is received, so that the corresponding load switch is controlled to trip according to the load shedding instruction, and the load shedding of the power distribution network is carried out. According to the load shedding method for the power distribution network, the loads of the power distribution network are shed based on the multi-dimensional attributes of the loads and the shedding priorities of the loads, the load shedding reliability is prevented from being influenced due to the fact that the dimensional attributes of the loads are not considered, and therefore the load shedding reliability of the power distribution network is improved by combining the dimensional attributes of the loads, namely the operation reliability of the power distribution network is improved.
Example two
Fig. 2 is a flowchart of a load shedding method for a power distribution network according to a second embodiment of the present invention, where this embodiment is applicable to load shedding for a power distribution network, and the method may be executed by a load shedding device for a power distribution network, where the load shedding device may be implemented by software and/or hardware, and the load shedding device may be integrated in an electronic device with a load shedding function for a power distribution network, such as a computer, and specifically includes the following steps:
and step 210, taking the multidimensional attribute of each load as an evaluation index to obtain the evaluation index corresponding to each multidimensional attribute.
The power distribution network load shedding device can store multi-dimensional attributes of the connected loads, and the multi-dimensional attributes can comprise interruption loss, affiliated power utilization departments, sensitivity, electrical distances and the like of the loads connected with the power distribution network load shedding device. The evaluation index may correspond to an index score, and the index score of the evaluation index corresponding to each dimension attribute may be set according to a specific situation, which is not limited herein.
For example, the load evaluation indexes of the loads connected to the load shedding device of the power distribution network and the corresponding loads are shown in table 1.
TABLE 1 statistical data of loads connected to devices
Load evaluation index Load 1 Load 2 Load n
Loss of interruption X11 X12 X1n
Electric department X21 X22 X2n
Sensitivity of the probe X31 X32 X3n
Electrical distance X41 X42 X4n
Intelligent load X51 X52 X5n
Weighted average X1 X2 Xn
In step 220, different weights are assigned to the evaluation indexes, and the product of the corresponding weight and the index score is used as a score corresponding to the load.
For example, the load evaluation index and the corresponding weight of the load connected to the load shedding device of the power distribution network are shown in table 2, and the calculation formula of the score corresponding to the load can be
Figure BDA0002512884840000071
Wherein, XnScore for nth load, RiIs the weight of the i-th evaluation index, XinThe score of the ith index for the nth load.
TABLE 2 load evaluation index
Serial number Load evaluation index (i) Weight (Ri)
1 Loss of interruption R1
2 Electric department R2
3 Sensitivity of the probe R3
4 Electrical distance R4
5 Intelligent load R5
The specific numerical value of the weight assigned to each evaluation index may be set according to actual conditions, and is not limited herein.
And step 230, sequencing the cutting priorities of the loads according to the size sequence of the scores to obtain a sequencing result.
Specifically, the scores may be ranked from high to low, and the ranking result of the scores may be used as the ranking result of the cut-off priority of each load from high to low.
And 240, determining the switchable load quantity of each load according to the sequencing result, and taking the sum of the switchable load quantities of each load as the switchable load total quantity.
The ordering result of the cutting priority of each load may have a certain corresponding relationship with the amount of the cuttable load, and the specific corresponding relationship may be set according to the actual situation, which is not limited herein.
And step 250, transmitting the total amount of the load shedding to a control station of the load, and receiving a load shedding instruction fed back by the control station of the load.
The load cutting instruction can be a delay load cutting instruction, and the delay load cutting instruction comprises delay time of load cutting.
Illustratively, the control station of the load summarizes the total amount of the received load shedding, sets priority to the load shedding device of the distribution network, the priority of the load shedding device of the distribution network can be load shedding priority, the priority sequence of the load shedding can be determined by the average value of scores of the loads determined by the load shedding device of the distribution network, and the average value of the scores of the loads is calculated according to the formula
Figure BDA0002512884840000081
Wherein, YmAnd (4) averaging all the load scores of the load shedding device of the mth distribution network.
And step 260, after the delay time of the delay load-cutting instruction is received, controlling the corresponding load switch to trip according to the delay load-cutting instruction.
Specifically, the distribution network load cutting device controls the corresponding load switches to trip according to a delay load cutting instruction fed back by a control station of a received load, and if the received delay load cutting instruction is a delay full-cutting instruction, the distribution network load cutting device controls all the connected load switches to trip after receiving the delay time of the delay load cutting instruction; and if the received delay load shedding instruction is a delay load shedding capacity instruction, controlling the connected load switch corresponding to the load with the corresponding load capacity to trip after the delay time of the delay load shedding instruction is received, so as to carry out load shedding on the power distribution network. The delay time may be set according to specific situations, and is not limited herein.
For example, the distribution network load shedding device can record and store the load amount of each load, and the distribution network load shedding device can also collect the electrical quantity data of the line where each load is located, wherein the electrical quantity data comprises voltage and current, and send out a voice alarm prompt and/or a text alarm prompt when the load exceeds a preset load threshold and/or the electrical quantity data exceeds a corresponding preset electrical quantity threshold. If the line where the load is located has overvoltage and/or overcurrent, a corresponding voice prompt is sent out to remind relevant workers to take measures in time.
The load shedding method for the power distribution network, provided by the embodiment, takes the multidimensional attribute of each load as an evaluation index, different weights are distributed to each evaluation index, the product of the corresponding weight and the index score is taken as a score corresponding to the load, the shedding priority of each load is sequenced according to the score, the total amount of the shedding load is determined according to the sequencing result, the total amount of the shedding load is sent to a control station of the load, and a load shedding instruction fed back by the control station of the load is received, so that the corresponding load switch is controlled to trip according to the load shedding instruction, and the load shedding of the power distribution network is performed. According to the load shedding method for the power distribution network, the loads of the power distribution network are shed based on the multi-dimensional attributes of the loads and the shedding priorities of the loads, the load shedding reliability is prevented from being influenced due to the fact that the dimensional attributes of the loads are not considered, and therefore the load shedding reliability of the power distribution network is improved by combining the dimensional attributes of the loads, namely the operation reliability of the power distribution network is improved.
EXAMPLE III
Fig. 3 is a block diagram of a load shedding device for a power distribution network according to a third embodiment of the present invention, which includes a load evaluation module 310, a load determination module 320, a load sending and instruction receiving module 330, and a trip control module 340; the load evaluation module 310 is configured to evaluate each load according to the multidimensional attribute of each load to obtain a score corresponding to each load; the load determining module 320 is configured to sort the cutting priorities of the loads according to the scores, and obtain a total amount of the cuttable loads according to a sorting result; the load sending and instruction receiving module 330 is configured to send the total amount of the load to the control station of the load and receive a load shedding instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the shed load; and the tripping control module 340 is used for controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
In one embodiment, the load evaluation module 310 includes an evaluation index determination unit and a score determination unit, where the evaluation index determination unit is configured to use a multidimensional attribute of each load as an evaluation index to obtain an evaluation index corresponding to each dimensional attribute; wherein, the evaluation index corresponds to the index score; the score determination means assigns different weights to each evaluation index, and takes the product of the corresponding weight and the index score as a score corresponding to the load.
Preferably, the load determining module 320 includes a sorting unit and a load determining unit, and the sorting unit is configured to sort the cutting priorities of the loads according to the size order of the scores to obtain a sorting result; the load determining unit is used for determining the switchable load quantity of each load according to the sequencing result and taking the sum of the switchable load quantity of each load as the switchable load total quantity.
Preferably, the load cutting instruction is a delay load cutting instruction, and the delay load cutting instruction comprises delay time of load cutting; the trip control module 340 is configured to control the corresponding load switch to trip according to the delay load-cutting instruction after receiving the delay time of the delay load-cutting instruction.
In one embodiment, the device further comprises a data acquisition module and an alarm prompt module, wherein the data acquisition module is used for acquiring the electrical quantity data of the line where each load is located; wherein the electrical quantity data comprises voltage and current; the alarm prompt module is used for sending out voice alarm prompt and/or text alarm prompt when the load exceeds a preset load threshold and/or the electric quantity data exceeds a corresponding preset electric quantity threshold.
Preferably, the apparatus further includes a recording and storing module, and the recording and storing module is configured to record and store the load amount of each load.
The load shedding device for the power distribution network provided by the embodiment has the corresponding beneficial effects of the load shedding method for the power distribution network.
Example four
Fig. 4 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present invention. FIG. 4 illustrates a block diagram of an exemplary electronic device 412 suitable for use in implementing embodiments of the present invention. The electronic device 412 shown in fig. 4 is only an example and should not bring any limitations to the functionality and scope of use of the embodiments of the present invention.
As shown in fig. 4, the electronic device 412 is in the form of a general purpose device. The components of the electronic device 412 may include, but are not limited to: one or more processors 416, a storage device 428, and a bus 418 that couples the various system components including the storage device 428 and the processors 416.
Bus 418 represents one or more of any of several types of bus structures, including a memory device bus or memory device controller, a peripheral bus, an accelerated graphics port, and a processor or local bus using any of a variety of bus architectures. By way of example, such architectures include, but are not limited to, Industry Standard Architecture (ISA) bus, Micro Channel Architecture (MAC) bus, enhanced ISA bus, Video Electronics Standards Association (VESA) local bus, and Peripheral Component Interconnect (PCI) bus.
Electronic device 412 typically includes a variety of computer system readable media. Such media may be any available media that is accessible by electronic device 412 and includes both volatile and nonvolatile media, removable and non-removable media.
Storage 428 may include computer system readable media in the form of volatile Memory, such as Random Access Memory (RAM) 430 and/or cache Memory 432. The electronic device 412 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 434 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 4, commonly referred to as a "hard drive"). Although not shown in FIG. 4, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk such as a Compact disk Read-Only Memory (CD-ROM), Digital Video disk Read-Only Memory (DVD-ROM) or other optical media may be provided. In these cases, each drive may be connected to bus 418 by one or more data media interfaces. Storage 428 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 440 having a set (at least one) of program modules 442 may be stored, for instance, in storage 428, such program modules 442 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. The program modules 442 generally perform the functions and/or methodologies of the described embodiments of the invention.
The electronic device 412 may also communicate with one or more external devices 414 (e.g., keyboard, pointing terminal, display 424, etc.), with one or more terminals that enable a user to interact with the electronic device 412, and/or with any terminals (e.g., network card, modem, etc.) that enable the electronic device 412 to communicate with one or more other computing terminals. Such communication may occur via input/output (I/O) interfaces 422. Also, the electronic device 412 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public Network, such as the internet) via the Network adapter 420. As shown in FIG. 4, network adapter 420 communicates with the other modules of electronic device 412 over bus 418. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 412, including but not limited to: microcode, end drives, Redundant processors, external disk drive Arrays, RAID (Redundant Arrays of Independent Disks) systems, tape drives, and data backup storage systems, among others.
The processor 416 executes various functional applications and data processing by running programs stored in the storage device 428, for example, implementing a load shedding method for a power distribution network provided by the embodiment of the present invention, the method includes:
according to the multi-dimensional attributes of the loads, evaluating the loads to obtain scores corresponding to the loads;
sorting the cutting priorities of the loads according to the scores, and obtaining the total amount of the cutting loads according to a sorting result;
sending the total amount of the load to a control station of the load, and receiving a load cutting instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the shed load;
and controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
EXAMPLE five
The fifth embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the method for load shedding of a power distribution network, where the method includes:
according to the multi-dimensional attributes of the loads, evaluating the loads to obtain scores corresponding to the loads;
sorting the cutting priorities of the loads according to the scores, and obtaining the total amount of the cutting loads according to a sorting result;
sending the total amount of the load to a control station of the load, and receiving a load cutting instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the shed load;
and controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
Computer storage media for embodiments of the invention may employ any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, python, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or terminal. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. A load shedding method for a power distribution network is characterized by comprising the following steps:
according to the multi-dimensional attributes of the loads, evaluating the loads to obtain scores corresponding to the loads;
sorting the cutting priorities of the loads according to the scores, and obtaining the total amount of the cutting loads according to a sorting result;
sending the total amount of the load shedding to a control station of the load, and receiving a load shedding instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the cuttable load;
and controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
2. The method according to claim 1, wherein evaluating each load according to its multidimensional properties to obtain a corresponding score comprises:
taking the multi-dimensional attributes of each load as evaluation indexes to obtain the evaluation indexes corresponding to the dimensional attributes; wherein the evaluation index corresponds to an index score;
different weights are assigned to the evaluation indexes, and the product of the corresponding weight and the index score is used as a score corresponding to the load.
3. The load shedding method for the power distribution network according to claim 1, wherein the step of sorting the shedding priorities of the loads according to the scores and obtaining the total amount of the shed loads according to the sorting result comprises:
sequencing the cutting priorities of the loads according to the size sequence of the scores to obtain a sequencing result;
and determining the switchable load quantity of each load according to the sequencing result, and taking the sum of the switchable load quantities of each load as the switchable load total quantity.
4. The power distribution network load shedding method according to claim 1, wherein the load shedding instruction is a delayed load shedding instruction, and the delayed load shedding instruction comprises delay time of load shedding;
controlling the corresponding load switch to trip according to the load shedding instruction, comprising:
and after the delay time of the delay load-cutting instruction is received, controlling the corresponding load switch to trip according to the delay load-cutting instruction.
5. The load shedding method for the power distribution network according to claim 1, further comprising:
collecting electric quantity data of a line where each load is located; wherein the electrical quantity data comprises a voltage and a current;
and when the load exceeds a preset load threshold value and/or the electrical quantity data exceeds a corresponding preset electrical quantity threshold value, sending out a voice alarm prompt and/or a text alarm prompt.
6. The load shedding method for the power distribution network according to claim 1, further comprising:
the load amount of each load is recorded and stored.
7. The method according to claim 1, wherein the multi-dimensional attributes comprise outage loss, sensitivity and electrical distance of the connected load.
8. A load shedding device for a power distribution network, comprising:
the load evaluation module is used for evaluating each load according to the multi-dimensional attributes of each load to obtain a score corresponding to each load;
the load determining module is used for sequencing the cutting priority of each load according to the scores and obtaining the total amount of the cutting loads according to the sequencing result;
the load sending and instruction receiving module is used for sending the total amount of the load to a control station of the load and receiving a load cutting instruction fed back by the control station of the load; wherein the load shedding instruction is obtained based on the total amount of the cuttable load;
and the tripping control module is used for controlling the corresponding load switch to trip according to the load shedding instruction so as to carry out load shedding on the power distribution network.
9. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor when executing the computer program implements the method of load shedding for a power distribution network according to any of claims 1 to 7.
10. A storage medium containing computer executable instructions which, when executed by a computer processor, implement the power distribution network load shedding method of any one of claims 1-7.
CN202010466727.4A 2020-05-28 2020-05-28 Load shedding method, device, equipment and medium for power distribution network Pending CN111639853A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010466727.4A CN111639853A (en) 2020-05-28 2020-05-28 Load shedding method, device, equipment and medium for power distribution network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010466727.4A CN111639853A (en) 2020-05-28 2020-05-28 Load shedding method, device, equipment and medium for power distribution network

Publications (1)

Publication Number Publication Date
CN111639853A true CN111639853A (en) 2020-09-08

Family

ID=72330414

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010466727.4A Pending CN111639853A (en) 2020-05-28 2020-05-28 Load shedding method, device, equipment and medium for power distribution network

Country Status (1)

Country Link
CN (1) CN111639853A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112350307A (en) * 2020-10-28 2021-02-09 中国华电科工集团有限公司 Control method and control device for regional distribution network and computer readable storage medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110601208A (en) * 2019-09-12 2019-12-20 深圳供电局有限公司 Accurate load control method and system based on multi-dimensional load attributes

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110601208A (en) * 2019-09-12 2019-12-20 深圳供电局有限公司 Accurate load control method and system based on multi-dimensional load attributes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112350307A (en) * 2020-10-28 2021-02-09 中国华电科工集团有限公司 Control method and control device for regional distribution network and computer readable storage medium
CN112350307B (en) * 2020-10-28 2022-12-02 中国华电科工集团有限公司 Control method and control device for regional power distribution network and computer readable storage medium

Similar Documents

Publication Publication Date Title
Chang et al. Reliability bounds and critical time for the Birnbaum-Saunders distribution
CN109885453B (en) Big data platform monitoring system based on stream data processing
CN111061752B (en) Data processing method and device and electronic equipment
CN113125851A (en) Power consumption statistical method, device, equipment and storage medium
CN111639853A (en) Load shedding method, device, equipment and medium for power distribution network
CN113806420A (en) Power grid data monitoring method and device
CN109375146B (en) Supplementary collection method and system for electricity consumption data and terminal equipment
CN113595246A (en) Microgrid state online monitoring method and device, computer equipment and storage medium
CN112965889A (en) Stability testing method and device, electronic equipment and readable storage medium
US20230039322A1 (en) System determination apparatus, system determination method and system determination program
JP2010211674A (en) Failure handling method and apparatus
CN109637540B (en) Bluetooth evaluation method, device, equipment and medium for intelligent voice equipment
US20220383431A1 (en) Electric Power System Planning Operation Device, Method, and System
CN116452054A (en) Method and device for managing material spot check of electric power system
CN115579845A (en) Relay protection fixed value analysis and verification method based on big data analysis
CN111062604B (en) Meteorological disaster-based power grid business risk assessment method, device and equipment
CN113884943B (en) Leakage fault analysis method, device, equipment and medium
CN114546780A (en) Data monitoring method, device, equipment, system and storage medium
CN114814695A (en) Data processing method and device, electronic equipment and storage medium
CN105591349B (en) Edge device relay protection constant value automatic Verification method and its system
CN111835004A (en) Method, device, equipment and medium for determining power grid control strategy
KR20180047079A (en) Method and apparatus for detrmining event level of monitoring result
Hsiao et al. A risk-based contingency selection method for SPS applications
CN112414475A (en) Detection device and method for capacitance bottle of transformer substation, electronic equipment and medium
CN111525586A (en) Power grid load control method, device, equipment and medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20200908

RJ01 Rejection of invention patent application after publication