CN111130116B - Scheduling operation power flow checking method based on key topology change item identification - Google Patents
Scheduling operation power flow checking method based on key topology change item identification Download PDFInfo
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- CN111130116B CN111130116B CN201911287185.8A CN201911287185A CN111130116B CN 111130116 B CN111130116 B CN 111130116B CN 201911287185 A CN201911287185 A CN 201911287185A CN 111130116 B CN111130116 B CN 111130116B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
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- 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
- G06Q10/0631—Resource planning, allocation, distributing or scheduling for enterprises or organisations
- G06Q10/06312—Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
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- 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—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses a scheduling operation power flow checking method based on key topology change item identification, which is characterized by comprising the following steps of: a. constructing a network topology relation to be checked of the power grid; b. recording a scheduling instruction and/or a scheduling instruction set; c. calculating the change of the topological relation by the instruction and/or the instruction in the instruction set, and constructing a change relation table; d. extracting a key topology change instruction according to the change relation table in the step c; e. and calling a power flow check algorithm, and performing power flow check operation on the network to be checked under the action of the key topology change instruction item by item. In the transformation test, 1340 pieces of flow checking tasks of scheduling operation tickets are used. Compared with the traditional whole-process step-by-step scanning type tide check, the method has the advantages that the check workload is reduced by nearly 90%, no check is missed or mistakenly checked, and the execution efficiency of the tide check of the dispatching operation ticket is greatly improved.
Description
Technical Field
The invention relates to the technical field of power grid dispatching, relates to a power flow checking technology in a power grid dispatching process, and particularly relates to a dispatching operation power flow checking method based on key topology change item identification.
Background
The power grid dispatching operation flow check refers to a process of dynamically calculating power grid flow change before and after dispatching operation according to the actual running state of a power grid so as to avoid abnormal conditions such as out-of-limit running sections, line excess capacity running and the like caused by improper operation. Due to abnormal conditions such as the out-of-limit of the operation section of the power grid, the over-rated capacity operation of the line and the like, other operation equipment is easily overloaded, and further cascading failure is caused. In order to prevent power grid accidents caused by scheduling operation, the current scheduling operation related regulations require that the scheduling operation should be subjected to load flow check.
However, each scheduling operation task involves several to hundreds of scheduling operation items, and how to reasonably select the most effective key scheduling operation step to carry out scheduling operation flow check becomes a core problem of research in the field. The current scheduling operation flow check also belongs to a step-by-step scanning type check method in the whole process. When the operation tasks are complex and the processes are multiple, the operation instructions contained in a single scheduling operation ticket may exceed 200, and if the trend check needs to be performed in each step, the total time may exceed 30 minutes. Although the current research adopts a high-efficiency calculation method such as distributed calculation and the like to improve the speed of single power flow check, the improvement of the calculation efficiency is not obvious.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problem to be solved by the invention is that the power grid dispatching load flow checking process has the defects of huge calculated amount and long calculating time, and the dispatching operation load flow checking method based on key topology change item identification is provided.
According to an aspect of the present invention, a scheduling operation power flow checking method based on key topology change item identification is provided, which is characterized by comprising the following steps:
a. constructing a network topology relation to be checked of the power grid;
b. recording a scheduling instruction and/or a scheduling instruction set;
c. calculating the change of the topological relation by the instruction and/or the instruction in the instruction set, and constructing a change relation table;
d. extracting a key topology change instruction according to the change relation table in the step c;
e. and calling a power flow check algorithm, and performing power flow check operation on the network to be checked under the action of the key topology change instruction item by item.
As an optional aspect of the invention, the scheduling operation power flow checking method is characterized in that, in the step a, a network topology relation to be checked is constructed, the topology relation includes nodes and links, the nodes correspond to substations in the network to be checked one by one, and power transmission lines are link connection lines between the nodes.
As an optional aspect of the present invention, the scheduling operation power flow checking method according to the present invention is characterized in that, in step a, in the network topology to be checked, the determination rule whether the node is valid is as follows:
any line connected with a node is in an operating state, and the node is in an effective state;
a node is inactive if and only if all lines connected to the node are inactive.
As an optional aspect of the present invention, the scheduling operation power flow checking method of the present invention, wherein a connection switch is included between the line and the connected substation, is characterized in that, in the step a, in the network topology to be checked, a determination rule whether the line is valid is as follows:
any one side of a switch on two sides of a line is in a shutdown state, and a connecting line in a topological graph is in an invalid state;
and if and only if the switches on two sides of one line are in the operating state, the connecting line in the topological graph is in the effective state.
As an optional aspect of the present invention, the method for checking a scheduling operation power flow according to the present invention is characterized in that, in the step d, the method for extracting a key topology change instruction according to the change relation table includes: comparing the effective topological relation before and after the instruction is executed, and if the effective topological relation is changed under the action of the instruction, the instruction is a key topological change instruction;
the effective topological relation is a topological relation composed of effective nodes and effective links.
As an optional aspect of the present invention, the scheduling operation power flow checking method of the present invention is characterized by including an operation instruction content conversion unit, configured to convert an operation instruction content into a corresponding operation object and an operation manner.
As an optional aspect of the present invention, the scheduling operation power flow checking method is characterized in that, in step a, the network to be checked obtains the data from the power grid model.
As an optional aspect of the present invention, the scheduling operation power flow checking method of the present invention is characterized in that the power grid model data is automatically or manually obtained from a power grid energy management system.
As an optional aspect of the present invention, in the scheduling operation power flow checking method according to the present invention, in the step b, the scheduling instruction and/or the scheduling instruction set is obtained from a scheduling ticket in power grid scheduling.
As an optional aspect of the invention, the scheduling operation power flow checking method of the invention is characterized in that the scheduling ticket is automatically or manually obtained from a power grid production management system.
The scheduling operation flow checking method provided by the invention is used for 1340 flow checking tasks of scheduling operation tickets in a modification test. Compared with the traditional whole-process step-by-step scanning type tide check, the method has the advantages that the check workload is reduced by nearly 90%, check omission and error check are avoided, and the execution efficiency of the tide check of the dispatching operation ticket is greatly improved.
Drawings
Fig. 1 is a power grid network topology diagram in a scheduling operation power flow checking method based on key topology change item identification according to an embodiment of the present invention;
fig. 2 is a power grid network topology diagram updated after the power grid network topology diagram in fig. 1 passes through a certain operation instruction;
fig. 3 is a flowchart illustrating an implementation step of a scheduling operation power flow checking method based on key topology change item identification according to an embodiment of the present invention;
fig. 4 is a system architecture executed by the scheduling operation power flow checking method based on the identification of the key topology change item according to an embodiment of the present invention.
Detailed Description
The technical means adopted by the invention to achieve the predetermined object of the invention are further described below with reference to the drawings and the preferred embodiments of the invention.
In an optional embodiment of the present invention, a scheduling operation power flow checking method based on key topology change item identification is provided, including the following steps: constructing a network topology relation to be checked of the power grid; recording a scheduling instruction and/or a scheduling instruction set; calculating the change of the topological relation by the instruction and/or the instruction in the instruction set, and constructing a change relation table; extracting a key topology change instruction according to the change relation table in the step c; and calling a power flow check algorithm, and performing power flow check operation on the network to be checked under the action of the key topology change instruction item by item.
As an optional aspect of the embodiment of the present invention, in the step a, a network topology relationship to be checked is constructed, where the topology relationship includes nodes and links, the nodes correspond to substations in the network to be checked one to one, and a power transmission line is a link connection line between the nodes.
As an optional aspect of the embodiment of the present invention, in step a, a determination rule of whether a node is valid in the network topology to be checked is as follows: any line connected with a node is in an operating state, and the node is in an effective state; and if and only if all lines connected with a node are in the shutdown state, the node is in the invalid state.
As an optional aspect of the embodiment of the present invention, in step a, a determination rule whether a line is valid in the network topology to be checked is as follows: any one side of a switch on two sides of a line is in a shutdown state, and a connecting line in a topological graph is in an invalid state; and if and only if the switches on two sides of one line are in the running state, the connecting line in the topological graph is in the effective state. The switch is a connecting switch between a line and a connected substation.
As an optional aspect of the embodiment of the present invention, in the step d, the method for extracting the key topology change instruction according to the change relation table includes: comparing the effective topological relations before and after the instruction is executed, wherein if the effective topological relations are changed under the action of the instruction, the instruction is a key topological change instruction; the effective topological relation is a topological relation formed by effective nodes and effective links.
As an optional aspect of the embodiment of the present invention, the apparatus includes an operation instruction content conversion unit, configured to convert an operation instruction content into a corresponding operation object and an operation manner.
As an optional aspect of the embodiment of the present invention, in the step a, the network to be checked is obtained from the data of the power grid model.
As an optional aspect of an embodiment of the invention, the grid model data is obtained automatically or manually from a grid energy management system.
As an optional aspect of the embodiment of the present invention, in the step b, the scheduling instruction and/or the scheduling instruction set is obtained from a scheduling ticket in power grid scheduling.
As an optional aspect of the embodiment of the present invention, the scheduling ticket is obtained from the power grid production management system automatically or manually.
The effect of the inventive concept is further described below in connection with an embodiment:
the key topology change item refers to an operation item which can cause a power grid topology structure to change greatly before and after the scheduling operation item is executed, and has a large influence on power grid flow distribution. Before and after the operation of the power grid, the power flow distribution of the power grid can be changed only when the topological connection relation of the power grid is greatly changed. Therefore, the key topology change item can be used as a key check item for the scheduling operation flow check, because:
(1) from the characteristic of power grid flow distribution, if and only when the power grid topology changes, the power grid flow can be greatly changed, otherwise, the power grid flow generally has a stable change process, and for the checking of scheduling operation flow, the key points of power grid flow change can be actually mastered by performing key analysis on operation items which may cause the power grid topology change;
(2) in terms of the power grid operation control requirement, if and only if the power grid topology changes, the power grid operation control requirement changes, and increase and decrease adjustment of the operation section may occur, and since the situation that the newly-increased operation section is out of limit after scheduling operation is not allowed to occur during the power grid operation, the power flow distribution after the topology change must be checked.
When the topology change analysis is performed on the scheduling operation item, the power grid equipment must be numbered in a standardized manner, and then the operation object in the scheduling operation instruction recorded in the text form can be corresponding to the power grid operation equipment. On this basis, the identification of the key topology change item mainly goes through two steps.
(1) And (3) converting the content of the operation instruction: because the current scheduling instruction has higher normative, methods such as neural network and rule learning can be directly adopted to convert the scheduling instruction statements recorded in the text form into content combination modes of operation objects and operation modes. With the above method, the conversion mode obtained by converting the operation instruction is shown in table 1.
TABLE 1 exemplary operation instruction conversion result Compare
(2) Updating and comparing network topology: the power grid network topology is that a power grid network frame is converted into an abstract connection graph form according to the running state of equipment in a power grid. As shown in fig. 1, a common conversion mode is to use each substation as a node and use the transmission line as a connection line between the nodes, so as to convert the substation into a network topology form in a form of a dotted connection. And changing the running state of the equipment in the network topological graph according to the influence of the power grid operation instruction on the running state of the equipment, so that the structure of the network graph is adjusted, and the change condition of the network topological graph is mastered.
According to the basic structure of the power grid network topological graph, the following judgment conditions of operation and outage of the nodes and the connecting lines can be obtained: for a transformer substation node, any line connected with the transformer substation node is in an operating state, and the node is in the operating state; for a substation node, if and only if all lines connected with the substation node are in an outage state, the node is in the outage state; for the connecting lines, any side of the corresponding switches on the two sides of the lines is in an outage state, and the connecting lines in the topological graph are in the outage state; for the connecting lines, if and only if the switches on both sides of the line are in the operating state, the connecting lines in the topological graph are in the operating state.
According to the converted scheduling operation instruction, the action conditions of equipment such as a switch, a disconnecting link and the like can be mastered, the change condition of the line operation state can be judged at first, and on the basis, the existing topological structure and the change of the line operation state are further combined to judge whether the power grid network topology changes. The network topology corresponding to this operation will become that shown in fig. 2.
Taking the grid structure in fig. 1 as an example, the content of the scheduling command is "disconnect Sta1 substation 220kVLine1 switch", the scheduling operation object is "Sta 1 substation 220kVLine1 switch", and the operation mode is "disconnect switch". This operation will cause the Line1 Line to fail to transmit power flow, treating the Line as Line down. And corresponding to the network topological graph, judging that the connecting line corresponding to the line is stopped.
On the other hand, if the command "disconnect the Sta2 substation 220kVLine1 line 201 switch" is continued on the basis of the scheduling command, the line is actually in the shutdown state, and thus the network topology is not affected. The network topology corresponding to this operation will be identical to the previous operation, all as shown in fig. 2.
Compared with the two-step scheduling command, the command of disconnecting the switch of the 220kVLine1 line 201 of the Sta1 substation causes the change of a network topology map, and the operation is a key topology change item; the latter step of instructing to open the Sta2 substation 220kVLine1 line 201 switch does not result in a network topology change and is not a critical topology change item as proposed herein.
Implementing a framework: based on the above method for identifying the key topology change item, the implementation flow of the method for checking the scheduling operation load flow provided by the present invention is shown in fig. 3. The whole scheduling power flow checking method based on the key topology change item identification comprises three key steps.
(1) Basic data import and processing: the basic data required to be imported includes: firstly, power grid model data comprise an operating transformer substation, a power transmission line and a connection relation of the transformer substation and the power transmission line, and the data are acquired from a power grid energy management system; and secondly, scheduling operation ticket data to be checked, wherein the data is mainly acquired from the power grid production management system. On the basis of obtaining the basic data, a power grid network topological graph needs to be generated according to the power grid model data.
(2) Identifying key topology change items: based on the method for identifying the key topology change items of the scheduling operation tickets, the scheduling operation instructions related in the scheduling operation tickets are checked item by item, whether the scheduling operation instructions belong to the key topology change items or not is judged, and the change conditions of the key topology change items on the power grid network topology structure before and after execution are recorded.
(3) Checking the trend item by item: and calling a power grid load flow calculation program package according to the change condition of the power grid network frame topology before and after each key topology change item is executed, calculating the power grid load flow distribution after the change, and checking whether the operation section is out of limit, whether the line load flow exceeds the limit amount, whether heavy load power transmission and transformation equipment exists and the like according to the load flow distribution.
And (3) system architecture: according to the implementation steps, the power flow checking method provided by the invention can be modified and realized on the basis of the scheduling operation order module in the current power grid production management system, and the data transmission relationship of the modified system is shown in fig. 4.
The related system mainly comprises a power grid energy management system and a power grid production management system, and a dispatcher can log in to access and interact with the system through a server. The business process according to the implementation process is as follows:
and (3) generating a scheduling ticket: and filling an operation table in a terminal of the dispatcher by the dispatcher, transmitting the operation table to a dispatching operation ticket module in the production management system, and starting a dispatching operation trend checking flow.
Scheduling operation flow checking preparation: after a dispatcher starts a tide check flow, the dispatching operation ticket module is responsible for collecting power grid model data from the energy management system and generating basic data such as a power grid structure topological graph.
And (3) tidal current check: according to the method provided by the text, key topology change items in the scheduling operation ticket are identified, and a load flow calculation module in the energy management system is called to perform load flow calculation analysis according to the topology change. And comparing the operation control requirements of the changed net rack according to the calculation result to obtain a power flow check result.
3.1 implementation: the dispatching operation power flow checking method based on the key topology change item identification is practically applied to a power grid in a certain area of Guizhou. By modifying the scheduling operation ticket module in the production management system, the key topology change item identification, the load flow calculation and the load flow check of the original scheduling operation ticket in the execution process are realized. The data transmission architecture after system modification is shown in fig. 4, and the method application implementation process is shown in fig. 3.
3.2 actual case analysis:
the implementation of the method will be described below by taking a certain Line power-off operation as an example, taking fig. 1 as an example, the operation task is to change the Line1 from running to cold for standby, and the operation order content is shown in table 2.
TABLE 2 line Power-cut operation ticket
And (3) converting the contents of the operation instructions one by one, and performing topology analysis to obtain the operation instructions, wherein the line cannot transmit the tidal current in practice after the first-step operation is completed, and the connecting line is judged to be stopped in the network topology map. The subsequent three steps do not actually change the topology in the network topology map. The first step of the schedule operation ticket is therefore a key topology change item. And calling a power flow calculation module in the energy management system according to the influence of the operation on the network topology, so as to calculate and obtain the power flow distribution after the operation is executed, and performing security check on the power flow distribution. Compared with the traditional gradual checking method, the checking work calculation amount can be reduced by 75%.
Although the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the present invention.
Claims (6)
1. A scheduling operation power flow checking method based on key topology change item identification is characterized by comprising the following steps:
a. constructing a network topological relation to be checked of a power grid, wherein the topological relation comprises nodes and links, the nodes correspond to substations in the network to be checked one by one, and a power transmission line is a link connecting line between the nodes;
b. judging whether nodes and lines in the network topology to be checked are effective or not; wherein the content of the first and second substances,
the rule for judging whether the node is valid is as follows:
any line connected with a node is in a running state, and the node is in an effective state;
if and only if all lines connected with a node are in a shutdown state, the node is in an invalid state;
the circuit and the connected transformer substation include a connecting switch, and the rule for judging whether the circuit is effective is as follows:
any one side of a switch on two sides of a line is in a shutdown state, and a connecting line in a topological graph is in an invalid state;
if and only if the switches on two sides of one line are in the running state, the connecting line in the topological graph is in the effective state; and the number of the first and second electrodes,
the effective nodes and the effective links form an effective topological relation;
c. recording a single scheduling instruction and/or a scheduling instruction set;
d. calculating the change of the topological relation of a single instruction and/or an instruction in an instruction set, and constructing a change relation table, wherein the change relation table comprises effective topological relations before and after the instruction is executed;
e. d, extracting a key topology change instruction according to the change relation table in the step d, wherein the method for extracting the key topology change instruction comprises the following steps: comparing the effective topological relations before and after the instruction is executed, wherein if the effective topological relations are changed under the action of the instruction, the instruction is a key topological change instruction;
f. and calling a power flow check algorithm, and performing power flow check operation on the network to be checked under the action of the key topology change instruction item by item.
2. The method for checking the dispatching operation power flow based on the identification of the key topology change item as claimed in claim 1, comprising an operation instruction content conversion unit for converting operation instruction contents into corresponding operation objects and operation modes.
3. A method for dispatching operation power flow check based on identification of key topology variation term as claimed in any one of claims 1-2, wherein the network to be checked in step a is obtained from power grid model data.
4. The method for scheduling operation power flow check based on key topology change identification as claimed in claim 3, wherein the power grid model data is obtained from a power grid energy management system automatically or manually.
5. The method for checking scheduling operation power flow based on key topology change identification according to any one of claims 1-2, wherein in the step c, the single scheduling instruction and/or the scheduling instruction set is obtained from a scheduling ticket in power grid scheduling.
6. The method for checking the scheduling operation trend based on the key topology change identification as claimed in claim 5, wherein the scheduling ticket is obtained from a power grid production management system automatically or manually.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508059A (en) * | 2011-10-18 | 2012-06-20 | 北京科东电力控制系统有限责任公司 | Topology error-preventing checking method based on intelligent identification of state of equipment |
| CN104407577A (en) * | 2014-10-28 | 2015-03-11 | 国网山东省电力公司淄博供电公司 | Intelligent check anti-maloperation method based on real-time trend |
| CN104600840A (en) * | 2014-12-30 | 2015-05-06 | 国家电网公司 | Intelligent dispatching and mis-operation preventing management system and method |
| CN106385034A (en) * | 2016-11-02 | 2017-02-08 | 国电南瑞科技股份有限公司 | Power grid dynamic partition calculating method based on N-1 security checking |
| CN107491867A (en) * | 2017-08-07 | 2017-12-19 | 国电南瑞科技股份有限公司 | It is a kind of for the multicycle send out defeated change repair schedule Security Checking and appraisal procedure |
| CN107769191A (en) * | 2016-08-18 | 2018-03-06 | 中国电力科学研究院 | key transmission cross-section automatic identifying method based on network topology and flow data |
| CN110265998A (en) * | 2019-05-31 | 2019-09-20 | 国网辽宁省电力有限公司 | A kind of method and device that stabilized control system strategy definite value is checked |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7519506B2 (en) * | 2002-11-06 | 2009-04-14 | Antonio Trias | System and method for monitoring and managing electrical power transmission and distribution networks |
| US20040158417A1 (en) * | 2002-11-06 | 2004-08-12 | Bonet Antonio Trias | System and method for monitoring and managing electrical power transmission and distribution networks |
-
2019
- 2019-12-14 CN CN201911287185.8A patent/CN111130116B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508059A (en) * | 2011-10-18 | 2012-06-20 | 北京科东电力控制系统有限责任公司 | Topology error-preventing checking method based on intelligent identification of state of equipment |
| CN104407577A (en) * | 2014-10-28 | 2015-03-11 | 国网山东省电力公司淄博供电公司 | Intelligent check anti-maloperation method based on real-time trend |
| CN104600840A (en) * | 2014-12-30 | 2015-05-06 | 国家电网公司 | Intelligent dispatching and mis-operation preventing management system and method |
| CN107769191A (en) * | 2016-08-18 | 2018-03-06 | 中国电力科学研究院 | key transmission cross-section automatic identifying method based on network topology and flow data |
| CN106385034A (en) * | 2016-11-02 | 2017-02-08 | 国电南瑞科技股份有限公司 | Power grid dynamic partition calculating method based on N-1 security checking |
| CN107491867A (en) * | 2017-08-07 | 2017-12-19 | 国电南瑞科技股份有限公司 | It is a kind of for the multicycle send out defeated change repair schedule Security Checking and appraisal procedure |
| CN110265998A (en) * | 2019-05-31 | 2019-09-20 | 国网辽宁省电力有限公司 | A kind of method and device that stabilized control system strategy definite value is checked |
Non-Patent Citations (2)
| Title |
|---|
| Location Model and Algorithm of Solid State Transformer Considering Distribution Network Reconfigu ration;Fang Cao et al;《2018 2nd IEEE Conference on Energy Internet and Energy System Integration (EI2)》;20181220;1-6 * |
| 基于网络划分算法的电磁环网快速解环方法;胥威汀等;《电网技术》;20191130;第43卷(第11期);4133-4140 * |
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