CN112383056A - Method and device for evaluating importance degree of automatic standby power supply switching device - Google Patents

Method and device for evaluating importance degree of automatic standby power supply switching device Download PDF

Info

Publication number
CN112383056A
CN112383056A CN202011349943.7A CN202011349943A CN112383056A CN 112383056 A CN112383056 A CN 112383056A CN 202011349943 A CN202011349943 A CN 202011349943A CN 112383056 A CN112383056 A CN 112383056A
Authority
CN
China
Prior art keywords
object set
determining
bats
capacity
total power
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
CN202011349943.7A
Other languages
Chinese (zh)
Inventor
刘若溪
刘宏亮
车瑶
侯宇程
王帅
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.)
State Grid Corp of China SGCC
State Grid Beijing Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Beijing 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 State Grid Corp of China SGCC, State Grid Beijing Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN202011349943.7A priority Critical patent/CN112383056A/en
Publication of CN112383056A publication Critical patent/CN112383056A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H02J3/007—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources
    • H02J3/0073—Arrangements for selectively connecting the load or loads to one or several among a plurality of power lines or power sources for providing alternative feeding paths between load and source when the main path fails, e.g. transformers, busbars
    • 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
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20—End-user application control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The application discloses a method and a device for evaluating the importance degree of an automatic standby power supply switching device. Wherein, the method comprises the following steps: the method comprises the steps of obtaining a first object set connected with a standby power supply automatic switching device BATS in a power distribution network, and determining first total power utilization capacity corresponding to the first object set, wherein the first object set comprises: all objects connected to the BATS; acquiring a second object set with capacity loss in the first object set after the BATS fault occurs, and determining a second total power consumption capacity corresponding to the second object set; and determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATS in the power distribution network. The method solves the technical problem that no assessment method specially aiming at the importance degree of the BATS exists in the related technology, so that reasonable reference cannot be provided for detection, maintenance, operation and the like of the power distribution network.

Description

Method and device for evaluating importance degree of automatic standby power supply switching device
Technical Field
The application relates to the field of electric power, in particular to a method and a device for evaluating the importance degree of an automatic standby power supply switching device.
Background
Most power distribution networks are designed in a closed loop mode, operate in an open loop mode, and have a radial downstream structure, so that a bus bar automatic transfer switch (bat, hereinafter referred to as bat or backup automatic switch) is often installed to improve power supply reliability. When the bus has power failure due to the power grid failure, the BATS meeting the action conditions acts, and the standby power supply is switched on to supply power to the power failure bus, so that the power supply reliability is improved. With the continuous development of the power grid, the number of BATSs in the power grid is increased, but no comparison method specially aiming at the importance degree of the BTAS exists in the related technology, so that a reasonable reference is provided for the establishment of the overhaul and operation and maintenance strategy of the power distribution network according to the comparison result.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the application provides a method and a device for evaluating the importance degree of an automatic standby power supply switching device, and at least solves the technical problem that no reasonable reference can be provided for detection, maintenance, operation and the like of a power distribution network due to the fact that no evaluation method specially aiming at the importance degree of BATS exists in the related art.
According to an aspect of the embodiments of the present application, there is provided a method for evaluating the importance of an automatic standby power supply switching device, including: the method comprises the steps of obtaining a first object set connected with a standby power supply automatic switching device BATS in a power distribution network, and determining first total power utilization capacity corresponding to the first object set, wherein the first object set comprises: all objects connected to the BATS; acquiring a second object set with capacity loss in the first object set after the BATS fault occurs, and determining a second total power consumption capacity corresponding to the second object set; and determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATS in the power distribution network.
Optionally, determining a first total power capacity corresponding to the first set of objects includes: acquiring a first level coefficient corresponding to each object in a first object set; determining a first capacitance corresponding to each object in the first set of objects; determining a first product of the first level coefficient and the first capacitance for each object; and summing the first products corresponding to the objects, and taking the summation result as the first total power utilization capacity.
Optionally, determining a second total power capacity corresponding to the second object set includes: determining a second level coefficient corresponding to each object in the second object set according to the first level coefficient; determining a second capacitance corresponding to each object in the second set of objects; determining a second product of the second level coefficient and the second capacitance for each object; and summing the second products corresponding to the objects, and taking the summation result as a second total power utilization capacity.
Optionally, determining an evaluation index according to the first total power consumption capacity and the second total power consumption capacity includes: and determining an evaluation index according to the ratio of the second total power utilization capacity to the first total power utilization capacity.
Optionally, determining an evaluation index according to a ratio of the second total power capacity to the first total power capacity includes: the evaluation index is determined by the following formula:
Figure BDA0002801076130000021
wherein the content of the first and second substances,
Figure BDA0002801076130000022
a second capacitance;
Figure BDA0002801076130000023
is the second level coefficient;
Figure BDA0002801076130000024
a first capacitance;
Figure BDA0002801076130000025
is a first level coefficient; n is a radical ofFCAll elements in the second object set; n is a radical ofSCAll elements in the first object set; i is the ith element in the second object set; j is the jth element in the first set of objects.
Optionally, the first level coefficient is determined by: obtaining a user level corresponding to each object in the first object set, wherein the user level comprises: premium users, primary users, secondary users, and general users; and determining first level coefficients according to the user levels, wherein the first level coefficients corresponding to the special level users, the first level users, the second level users and the common users are reduced in sequence.
Optionally, before obtaining the user level corresponding to each object in the first object set, the method further includes: acquiring power consumption corresponding to each object in a first object set; a user level is determined based at least on the amount of power used, wherein the greater the amount of power used, the higher the user level.
According to another aspect of the embodiments of the present application, there is also provided an apparatus for evaluating the importance of an automatic standby power supply, including: the acquisition module is used for acquiring a first object set connected with a standby power supply automatic switching device BATS in a power distribution network and determining first total power utilization capacity corresponding to the first object set, wherein the first object set comprises: all objects connected to the BATS; the device comprises a first determining module, a second determining module and a third determining module, wherein the first determining module is used for acquiring a second object set with capacity loss in the first object set after the BATS fault occurs, and determining a second total power consumption capacity corresponding to the second object set; and the second determining module is used for determining an evaluation index according to the first total power capacity and the second total power capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATS in the power distribution network.
According to another aspect of the embodiments of the present application, there is also provided a non-volatile storage medium, where the non-volatile storage medium includes a stored program, and where, during execution of the program, a device in which the non-volatile storage medium is controlled performs any one of the methods for evaluating the importance of the automatic standby power supply switching device.
According to another aspect of the embodiments of the present application, there is also provided a processor for executing a program stored in a memory, wherein the program executes any one of the methods for evaluating the importance of the backup power automatic switching device.
In this application embodiment, adopt and acquire the mode that the change of power consumption capacity and then aassessment BATS degree of importance before and after the BATS trouble, through obtaining the first object set that is connected with reserve power automatic switching device BATS in the distribution network to confirm the first total power capacity that first object set corresponds, wherein, first object set includes: all objects connected with the BATS are obtained, a second object set with capacity loss in the first object set after the BATS fails is obtained, second total power utilization capacity corresponding to the second object set is determined, the goal of evaluating the BATS importance degree according to the change of the power utilization capacity before and after the failure is achieved, the technical effect of quantitative evaluation on the BATS importance degree is achieved, and the technical problem that reasonable reference cannot be provided for detection, maintenance, operation and the like of the power distribution network due to the fact that no evaluation method specially aiming at the BATS importance degree exists in the related technology is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic flow chart diagram illustrating an alternative method for assessing the importance of an automatic standby power switching device according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an alternative apparatus for evaluating the importance of an automatic standby power switch-on device according to an embodiment of the present disclosure;
fig. 3(a) to 3(e) are schematic wiring patterns of the wiring pattern of the BATS according to some alternative implementations of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In accordance with an embodiment of the present application, there is provided an embodiment of a method for assessing the importance of a backup power automatic switching device, wherein the steps illustrated in the flowchart of the figures may be performed in a computer system, such as a set of computer-executable instructions, and wherein, although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than the order illustrated.
Fig. 1 is a method for evaluating the importance of an automatic standby power supply switching device according to an embodiment of the present application, as shown in fig. 1, the method including the steps of:
step S102, a first object set connected with a standby power supply automatic switching device BATS in a power distribution network is obtained, and first total power utilization capacity corresponding to the first object set is determined, wherein the first object set comprises: all objects connected to the BATS;
step S104, acquiring a second object set with capacity loss in the first object set after the BATS fault, and determining a second total power utilization capacity corresponding to the second object set;
and S106, determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATS in the power distribution network.
In the method for evaluating the importance degree of the automatic standby power supply switching device, first, a first object set connected with the automatic standby power supply switching device BATS in a power distribution network is obtained, and first total power capacity corresponding to the first object set is determined, wherein the first object set comprises: all objects connected to the BATS; then, a second object set with capacity loss in the first object set after the BATS fault is obtained, and a second total power utilization capacity corresponding to the second object set is determined; and finally, determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATSs in the power distribution network, so that the technical effect of evaluating the importance degree of the BATS according to the change of the power utilization capacity before and after the fault and further realizing quantitative evaluation on the importance degree of the BATS is achieved, and the technical problem that no reasonable reference can be provided for detection, maintenance, operation and the like of the power distribution network due to the fact that no evaluation method specially aiming at the importance degree of the BATS exists in the related technology is solved.
In some optional embodiments of the present application, the first total power utilization capacity corresponding to the first object set may be determined by: acquiring a first level coefficient corresponding to each object in a first object set; determining a first capacitance corresponding to each object in the first set of objects; determining a first product of the first level coefficient and the first capacitance for each object; and summing the first products corresponding to the objects, and taking the summation result as the first total power utilization capacity.
In some optional embodiments of the present application, the second total power capacity corresponding to the second object set may be determined by: determining a second level coefficient corresponding to each object in the second object set according to the first level coefficient; determining a second capacitance corresponding to each object in the second set of objects; determining a second product of the second level coefficient and the second capacitance for each object; and summing the second products corresponding to the objects, and taking the summation result as a second total power utilization capacity.
It is to be understood that the evaluation index is determined according to the first total power capacity and the second total power capacity, and the evaluation index may be determined according to a ratio of the second total power capacity to the first total power capacity.
Specifically, the evaluation index is determined according to the ratio of the second total power capacity to the first total power capacity, and may be determined by the following formula:
Figure BDA0002801076130000051
wherein the content of the first and second substances,
Figure BDA0002801076130000052
a second capacitance;
Figure BDA0002801076130000053
is the second level coefficient;
Figure BDA0002801076130000054
a first capacitance;
Figure BDA0002801076130000055
is a first level coefficient; n is a radical ofFCAll elements in the second object set; n is a radical ofSCAll elements in the first object set; i is the ith element in the second object set; j is the jth element in the first set of objects.
In some embodiments of the present application, the first level coefficient may be determined by: obtaining a user level corresponding to each object in the first object set, wherein the user level comprises: premium users, primary users, secondary users, and general users; and determining first level coefficients according to the user levels, wherein the first level coefficients corresponding to the special level user, the first level user, the second level user and the common user are reduced in sequence, namely the user level corresponding to the special level user is the highest, and the first level coefficient is the largest, optionally, the first level coefficients corresponding to the special level user, the first level user, the second level user and the common user can be set to be 1, 0.8, 0.6 and 0.4.
In some optional embodiments of the present application, before obtaining the user level corresponding to each object in the first object set, the user level may be further determined through the following steps, specifically, obtaining the power consumption amount corresponding to each object in the first object set; the user level is determined at least according to the power consumption, wherein the higher the power consumption is, the higher the user level is, it should be noted that the user level may also be determined according to the line loss rate, and specifically, the higher the line loss rate is, the higher the user level is.
Fig. 2 is an apparatus for evaluating the importance of an automatic standby power supply switching device according to an embodiment of the present application, including:
an obtaining module 40, configured to obtain a first object set connected to an automatic standby power supply commissioning device BATS in a power distribution network, and determine a first total power consumption capacity corresponding to the first object set, where the first object set includes: all objects connected to the BATS;
a first determining module 42, configured to obtain a second object set with capacity loss after the bat failure occurs in the first object set, and determine a second total power consumption capacity corresponding to the second object set;
and a second determining module 44, configured to determine an evaluation index according to the first total power capacity and the second total power capacity, where the evaluation index is used to indicate an importance degree of the bat with respect to other BATS in the power distribution network.
In the apparatus for evaluating the importance of the automatic standby power supply switching device, the obtaining module 40 is configured to obtain a first object set connected to the automatic standby power supply switching device BATS in the power distribution network, and determine a first total power capacity corresponding to the first object set, where the first object set includes: all objects connected to the BATS; a first determining module 42, configured to obtain a second object set with capacity loss after the bat failure occurs in the first object set, and determine a second total power consumption capacity corresponding to the second object set; the second determining module 44 is configured to determine an evaluation index according to the first total power capacity and the second total power capacity, where the evaluation index is used to indicate an importance degree of the bat with respect to other BATS in the power distribution network, so that the importance degree of the bat is evaluated according to a change of power capacities before and after a fault, and a quantitative evaluation technical effect on the importance degree of the bat is achieved, thereby solving a technical problem that no evaluation method specially aiming at the importance degree of the bat exists in the related art, so that a reasonable reference cannot be provided for detection, maintenance, operation and the like of the power distribution network.
In some optional embodiments of the present application, the first total power utilization capacity corresponding to the first object set may be determined by: acquiring a first level coefficient corresponding to each object in a first object set; determining a first capacitance corresponding to each object in the first set of objects; determining a first product of the first level coefficient and the first capacitance for each object; and summing the first products corresponding to the objects, and taking the summation result as the first total power utilization capacity.
In some optional embodiments of the present application, the second total power capacity corresponding to the second object set may be determined by: determining a second level coefficient corresponding to each object in the second object set according to the first level coefficient; determining a second capacitance corresponding to each object in the second set of objects; determining a second product of the second level coefficient and the second capacitance for each object; and summing the second products corresponding to the objects, and taking the summation result as a second total power utilization capacity.
It is to be understood that the evaluation index is determined according to the first total power capacity and the second total power capacity, and the evaluation index may be determined according to a ratio of the second total power capacity to the first total power capacity.
Specifically, the evaluation index is determined according to the ratio of the second total power capacity to the first total power capacity, and may be determined by the following formula:
Figure BDA0002801076130000061
wherein the content of the first and second substances,
Figure BDA0002801076130000062
a second capacitance;
Figure BDA0002801076130000063
is the second level coefficient;
Figure BDA0002801076130000064
a first capacitance;
Figure BDA0002801076130000065
is a first level coefficient; n is a radical ofFCAll elements in the second object set; n is a radical ofSCAll elements in the first object set; i is the ith element in the second object set; j is the jth element in the first set of objects.
In some optional embodiments of the present application, before obtaining the user level corresponding to each object in the first object set, the user level may be further determined through the following steps, specifically, obtaining the power consumption amount corresponding to each object in the first object set; the user level is determined at least according to the power consumption, wherein the higher the power consumption is, the higher the user level is, it should be noted that the user level may also be determined according to the line loss rate, and specifically, the higher the line loss rate is, the higher the user level is.
In some embodiments of the present application, the first level coefficient may be determined by: obtaining a user level corresponding to each object in the first object set, wherein the user level comprises: premium users, primary users, secondary users, and general users; and determining first level coefficients according to the user levels, wherein the first level coefficients corresponding to the special level user, the first level user, the second level user and the common user are reduced in sequence, namely the user level corresponding to the special level user is the highest, and the first level coefficient is the largest, optionally, the first level coefficients corresponding to the special level user, the first level user, the second level user and the common user can be set to be 1, 0.8, 0.6 and 0.4.
Fig. 3(a) to 3(e) show wiring patterns of the BATS in some embodiments of the present application, as shown in fig. 3(a) to 3(e), the wiring patterns including:
(1)10kV bus coupler BATS
In fig. 3(a), BATS is a 10kV bus coupler backup power automatic switching device, and buses A, B are mutually standby through the BATS. If the bus A loses power and the BATS acts, the load on the bus A is transferred to the standby power supply side bus B, and therefore the system load loss is avoided.
(2)110kV bus coupler BATS
The 110kV buscouple BATS can be installed on 220kV and 110kV substations, and its action principle is similar to that of the 10kV buscouple BATS except that their associated bus voltage levels are different. FIG. 3(b) BATS is a bus tie BATS of a 110kV substation. Fig. 3(c) is a 110kV buscouple BATS of a 220kV substation.
(3) Line BATS
Fig. 3(d) BATS is a line BATS in which a C line passes through the BATS as a spare line for a line a and a line B. If the A line is disconnected and BATS is operated, the load originally carried by the A line is supplied with power from the B line through the C line.
(4) Combination of T connection mode and BATS
In a power distribution network, a large number of T wiring modes are used, and a large number of 10kV bus couplers (BATS) mounted at the tail end of the power distribution network improve the power supply reliability. In the connection mode shown in fig. 3(e), the buses a1 and D1 of the a line and the buses B1 and C1 of the B line are respectively reserved for each other through bat 1 and bat 2.
It is readily noted that the more complex bat logic in the system can be combined from these 4 basic types.
According to another aspect of the embodiments of the present application, there is also provided a non-volatile storage medium, where the non-volatile storage medium includes a stored program, and where, during execution of the program, a device in which the non-volatile storage medium is controlled performs any one of the methods for evaluating the importance of the automatic standby power supply switching device.
Specifically, the storage medium is used for storing program instructions for executing the following functions, and the following functions are realized:
the method comprises the steps of obtaining a first object set connected with a standby power supply automatic switching device BATS in a power distribution network, and determining first total power utilization capacity corresponding to the first object set, wherein the first object set comprises: all objects connected to the BATS; acquiring a second object set with capacity loss in the first object set after the BATS fault occurs, and determining a second total power consumption capacity corresponding to the second object set; and determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATS in the power distribution network.
According to another aspect of the embodiments of the present application, there is also provided a processor for executing a program stored in a memory, wherein the program executes any one of the methods for evaluating the importance of the backup power automatic switching device.
Specifically, the processor is configured to call a program instruction in the memory, and implement the following functions:
the method comprises the steps of obtaining a first object set connected with a standby power supply automatic switching device BATS in a power distribution network, and determining first total power utilization capacity corresponding to the first object set, wherein the first object set comprises: all objects connected to the BATS; acquiring a second object set with capacity loss in the first object set after the BATS fault occurs, and determining a second total power consumption capacity corresponding to the second object set; and determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATS in the power distribution network.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims (10)

1. A method for evaluating the importance of an automatic standby power supply switching device, comprising:
the method comprises the steps of obtaining a first object set connected with a standby power supply automatic switching device BATS in a power distribution network, and determining first total power utilization capacity corresponding to the first object set, wherein the first object set comprises: all objects connected to the BATS;
acquiring a second object set with capacity loss in the first object set after the BATS fault occurs, and determining a second total power utilization capacity corresponding to the second object set;
and determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATS in the power distribution network.
2. The method of claim 1, wherein determining a first total power capacity for the first set of objects comprises:
acquiring a first level coefficient corresponding to each object in the first object set;
determining a first capacitance corresponding to each object in the first set of objects;
determining a first product of the first level coefficient and the first capacitance value for the respective object;
and summing the first products corresponding to the objects, and taking the summation result as the first total power utilization capacity.
3. The method of claim 2, wherein determining a second total power capacity corresponding to the second set of objects comprises:
determining a second level coefficient corresponding to each object in the second object set according to the first level coefficient;
determining a second capacitance corresponding to each object in the second set of objects;
determining a second product of said second level coefficient and said second capacitance for said respective object;
and summing the second products corresponding to the objects, and taking the summation result as the second total power utilization capacity.
4. The method of claim 3, wherein determining an evaluation index from the first total power capacity and the second total power capacity comprises:
and determining the evaluation index according to the ratio of the second total power utilization capacity to the first total power utilization capacity.
5. The method of claim 4, wherein determining the evaluation index as a function of a ratio of the second total electrical capacity to the first total electrical capacity comprises: the evaluation index is determined by the following formula:
Figure FDA0002801076120000021
wherein the content of the first and second substances,
Figure FDA0002801076120000022
a second capacitance;
Figure FDA0002801076120000023
is the second level coefficient;
Figure FDA0002801076120000024
a first capacitance;
Figure FDA0002801076120000025
is a first level coefficient; n is a radical ofFCAll elements in the second object set; n is a radical ofSCAll elements in the first object set; i is the ith element in the second object set; j is the jth element in the first set of objects.
6. The method according to any of claims 2 to 5, wherein the first level coefficients are determined by:
obtaining a user level corresponding to each object in the first object set, wherein the user level includes: premium users, primary users, secondary users, and general users;
and determining the first level coefficient according to the user level, wherein the first level coefficients corresponding to the special level user, the first level user, the second level user and the common user are reduced in sequence.
7. The method of claim 6, wherein prior to obtaining the user level corresponding to each object in the first set of objects, the method further comprises:
acquiring the power consumption corresponding to each object in the first object set;
determining the user level according to at least the power consumption, wherein the user level is higher the larger the power consumption is.
8. An apparatus for evaluating the importance of an automatic standby power supply switch, comprising:
the acquisition module is used for acquiring a first object set connected with a standby power supply automatic switching device BATS in a power distribution network and determining first total power utilization capacity corresponding to the first object set, wherein the first object set comprises: all objects connected to the BATS;
a first determining module, configured to obtain a second object set with capacity loss after the bat failure occurs in the first object set, and determine a second total power consumption capacity corresponding to the second object set;
and the second determining module is used for determining an evaluation index according to the first total power utilization capacity and the second total power utilization capacity, wherein the evaluation index is used for indicating the importance degree of the BATS relative to other BATSs in the power distribution network.
9. A non-volatile storage medium, comprising a stored program, wherein when the program is executed, the apparatus in which the non-volatile storage medium is located is controlled to execute the method for evaluating the importance of the automatic standby power supply switching device according to any one of claims 1 to 7.
10. A processor for executing a program stored in a memory, wherein the program when executed performs the method of assessing the importance of a backup power automatic switching device according to any one of claims 1 to 7.
CN202011349943.7A 2020-11-26 2020-11-26 Method and device for evaluating importance degree of automatic standby power supply switching device Pending CN112383056A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011349943.7A CN112383056A (en) 2020-11-26 2020-11-26 Method and device for evaluating importance degree of automatic standby power supply switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011349943.7A CN112383056A (en) 2020-11-26 2020-11-26 Method and device for evaluating importance degree of automatic standby power supply switching device

Publications (1)

Publication Number Publication Date
CN112383056A true CN112383056A (en) 2021-02-19

Family

ID=74588580

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011349943.7A Pending CN112383056A (en) 2020-11-26 2020-11-26 Method and device for evaluating importance degree of automatic standby power supply switching device

Country Status (1)

Country Link
CN (1) CN112383056A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104836333A (en) * 2015-05-13 2015-08-12 国家电网公司 Backup automatic switching apparatus monitoring method and apparatus
WO2016026355A1 (en) * 2014-08-18 2016-02-25 国家电网公司 Voltage sag simulation and evaluation method of active power distribution grid
CN107194574A (en) * 2017-05-16 2017-09-22 中国能源建设集团江苏省电力设计院有限公司 A kind of grid security risk assessment method based on load loss
CN108805423A (en) * 2018-05-25 2018-11-13 国网山东省电力公司聊城供电公司 A kind of power distribution network methods of risk assessment based on distributed new access
CN108830475A (en) * 2018-06-08 2018-11-16 国网江苏省电力有限公司 Electrical secondary system hidden failure appraisal procedure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016026355A1 (en) * 2014-08-18 2016-02-25 国家电网公司 Voltage sag simulation and evaluation method of active power distribution grid
CN104836333A (en) * 2015-05-13 2015-08-12 国家电网公司 Backup automatic switching apparatus monitoring method and apparatus
CN107194574A (en) * 2017-05-16 2017-09-22 中国能源建设集团江苏省电力设计院有限公司 A kind of grid security risk assessment method based on load loss
CN108805423A (en) * 2018-05-25 2018-11-13 国网山东省电力公司聊城供电公司 A kind of power distribution network methods of risk assessment based on distributed new access
CN108830475A (en) * 2018-06-08 2018-11-16 国网江苏省电力有限公司 Electrical secondary system hidden failure appraisal procedure

Similar Documents

Publication Publication Date Title
Shirazi et al. Autonomous self-healing in smart distribution grids using agent systems
CN108318782B (en) Power distribution network fault area identification method based on network topology and distribution transformer power failure information
CN110097284B (en) Power distribution network reliability assessment method and device based on feeder line capacity constraint
CN109378815B (en) Power distribution network closed loop switching power supply control method, device and equipment
CN107769191A (en) key transmission cross-section automatic identifying method based on network topology and flow data
CN102208809A (en) Reliability assessment method for distribution network including photovoltaic power supply
CN104750878A (en) Mixed searching strategy-based topology fault diagnosis method
CN109787224A (en) Method for generating regional power grid load transfer strategy for preventing cascading overload
CN109066659A (en) Micro-capacitance sensor isolated operation reliability estimation method and terminal device
Menasché et al. Assessing survivability of smart grid distribution network designs accounting for multiple failures
CN104408539B (en) A kind of comprehensive evaluation of power distribution network optimization allocation method and system
CN110912199A (en) Point distribution and constant volume method and device for multi-direct-current feed-in receiving-end power grid synchronous phase modifier
CN114298859A (en) Topology analysis method and device, storage medium and processor
CN109768544A (en) Area power grid load transfer method
CN112383056A (en) Method and device for evaluating importance degree of automatic standby power supply switching device
CN113964816A (en) Analysis method for distribution network feeder line fault self-healing rate
CN110782162A (en) Equipment risk assessment method in distribution network equipment state evaluation
Seifi et al. Multi-voltage approach to long-term network expansion planning
CN115377973A (en) Transformer substation operation control method and device, storage medium and electronic equipment
CN113013855B (en) Power distribution network fault recovery method and device and terminal equipment
CN112614008A (en) Load transfer processing method and device
CN104836333B (en) Backup auto-activating device monitoring method and device
CN114881390A (en) Substation main wiring risk assessment method considering power grid safety constraint
Deng et al. Algorithm for improving the restorability of power supply in distribution systems
CN111343013A (en) Method and device for optimizing data communication network, storage medium and processor

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20210219