CN109165837B - Power protection and supply area grading operation risk analysis method based on main distribution integration - Google Patents
Power protection and supply area grading operation risk analysis method based on main distribution integration Download PDFInfo
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- CN109165837B CN109165837B CN201810927616.1A CN201810927616A CN109165837B CN 109165837 B CN109165837 B CN 109165837B CN 201810927616 A CN201810927616 A CN 201810927616A CN 109165837 B CN109165837 B CN 109165837B
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- 230000010354 integration Effects 0.000 title claims abstract description 20
- 238000012502 risk assessment Methods 0.000 title claims abstract description 15
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- 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
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- G06Q10/0635—Risk analysis of enterprise or organisation activities
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- 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
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Abstract
The invention discloses a power supply protection region graded operation risk analysis method based on main distribution integration, which is characterized in that the whole network power supply path search of power supply protection users is realized based on a main distribution integration model, a power supply loss risk grading expert database is constructed by combining the difference of power supply configuration principles of the power supply protection users in the same region and the relevant basis of risk grading, the redundant configuration of power supply points with different voltage grades of the power supply protection users is analyzed, the power supply loss risk of the power supply protection users is evaluated, and the graded operation risk analysis of the power supply protection region of a main distribution integration system is realized. Meanwhile, a power supply path equipment set can be dynamically extracted through topology service based on the real-time power grid state, and the power supply path and the power supply risk of the power protection user are automatically displayed in a tree layout mode. The method can assist the scheduling operator to master the power supply condition of the power-conserving user in real time, prompt the power supply risk and powerfully ensure the power supply reliability.
Description
Technical Field
The invention belongs to the field of electric power system dispatching automation, and particularly relates to a power supply area grading operation risk analysis method based on main distribution integration.
Background
The traditional monitoring of the running state of an important user only realizes the monitoring of a power supply at the user distribution network side, and due to the lack of main network path information, the power supply state of the main network power supply cannot be monitored, and the high-reliability running risk analysis early warning integrated with transmission and distribution cannot be provided for the important user. Based on the integrated system architecture of the power transmission and distribution network, the operation risk assessment and early warning of the transmission and distribution full path of important users (power protection users) can be realized, the operation state of a power protection area is monitored by searching the power supply path of the power protection users to 500kV, real-time analysis is carried out according to preset assessment standards (different assessment index systems and assessment standards of different power protection levels in different areas are different), early warning is carried out on equipment and paths with risks and the corresponding power protection users in time, and high-reliability operation of the important users is guaranteed.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems, the invention provides a power supply protection area grading operation risk analysis method based on a main distribution integration.
The technical scheme is as follows: in order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows: a power protection and supply area grading operation risk analysis method based on main distribution and integration is characterized in that a main distribution and distribution network integration model and a real-time operation mode are obtained, a power supply path of target equipment is searched through network topology analysis, all primary equipment on the power supply path is counted according to equipment connection relation and tide flow direction information, standby power supply points of buses with different voltage levels are searched, power supply configuration information of different voltage levels on the power supply path is obtained, and the risk level of a power protection user is evaluated by combining a power supply risk expert library. And generating a power supply path display diagram by adopting an automatic tree layout mode based on the equipment connection relation on the power supply path.
Further, comprising the steps of:
(1) acquiring data information of a main distribution integrated model and an operation mode, and establishing a connection relation between devices;
(2) starting from a target power protection user, obtaining equipment nodes of the power protection user, tracing back upwards step by step along the reverse direction of the tidal current flow direction by adopting a topology searching technology through the connection relation of the equipment nodes, and recording the equipment passing through the searching process until the equipment reaches the target voltage level;
(3) after the search is finished, counting all buses on the power supply path, sequentially analyzing the condition of the standby power supply of each bus, and recording the number of the standby power supplies;
(4) judging whether the number of the standby power supplies of each voltage grade meets the condition or not by combining the power supply risk rule base, and giving corresponding risk grades;
(5) and generating and displaying a power supply path connection relation graph through an automatic tree layout technology based on the equipment connection relation on the power supply path.
Further, the step (2) includes:
(2.1) starting from the power-saving user equipment node, and gradually tracing upwards based on the connection relation of the power grid model equipment;
(2.2) recording equipment in the searching process, and forming a connection relation;
and (2.3) judging whether the target voltage level is searched, if the highest voltage level is searched, finishing the search, and if not, continuing the equipment search of the next voltage level.
Further, the tracing target of the power supply path can be manually specified, so that the equipment which finds a certain voltage level is used as a path tracing termination condition.
Has the advantages that: the invention relates to a power supply area grading operation risk analysis method based on main distribution integration, which is characterized in that the whole-network power supply path search of power supply users is realized based on a main distribution integration model, a power supply loss risk grading expert database is constructed by combining the difference of power supply configuration principles of the power supply users in the same region and the relevant basis of risk grading, the redundant configuration of power supply points with different voltage grades of the power supply users is analyzed, the power supply loss risk of the power supply users is evaluated, and the grading operation risk analysis of the power supply area of a main distribution integration system is realized. Meanwhile, a power supply path equipment set can be dynamically extracted through topology service based on the real-time power grid state, and the power supply path and the power supply risk of the power protection user are automatically displayed in a tree layout mode. The method can assist the scheduling operator to master the power supply condition of the power-conserving user in real time, prompt the power supply risk and powerfully ensure the power supply reliability.
Drawings
FIG. 1 is a general block diagram of the method of the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
The invention relates to a power protection and supply area grading operation risk analysis method based on main distribution integration.
The power supply path refers to primary equipment such as lines, main transformers, switches, disconnecting links, buses and the like which are traced back in the opposite direction of the tidal current from a specified user. The tracing target of the power supply path can be manually specified, and the equipment with a certain voltage level can be found to be the path tracing termination condition.
Meanwhile, a power supply path display diagram is generated in an automatic tree layout mode based on the equipment connection relation on the power supply path. The main power distribution and integration power supply area grading operation risk analysis method simultaneously supports an expected mode, and the implementation mode is the same as the above.
The method comprises the following specific steps:
step 1, acquiring data information of a power grid model and an operation mode of a main distribution integration, and establishing a connection relation between devices, wherein the connection relation comprises a device name, a connection node, a switch state, a disconnecting link state, line active power, main transformer winding active power and the like;
step 2, starting from a target power protection user, obtaining equipment nodes of the power protection user, tracing back upwards step by step along the reverse direction of the trend flow direction by adopting a topology searching technology through the connection relation of the equipment nodes and combining the states of a switch and a disconnecting link, and recording equipment passing through the searching process until the equipment of the target voltage level;
step 2.1, starting from a power-conserving user equipment node, tracing upwards step by step based on the connection relation of the power grid model equipment, wherein the tracing process follows a trend reversal principle, namely, the next step of searching is carried out when the trend is reversed, otherwise, the searching is quitted;
step 2.2, recording equipment such as a main transformer, a circuit, a bus, a switch, a disconnecting link and the like in the searching process, and forming a connection relation;
step 2.3, judging whether a target voltage level is searched, if the highest voltage level is searched, finishing the search, and if not, continuing the equipment search of the next voltage level;
step 3, after the search is finished, counting all buses on the power supply path, sequentially analyzing the condition of the standby power supply of each bus, namely whether a connectable hot standby switch can be searched, and recording the number of the standby power supplies;
step 4, judging whether the number of the standby power supplies of each voltage grade meets the condition or not by combining the power supply risk rule base, and giving corresponding risk grades;
and 5, acquiring equipment such as lines, main transformers, switches, disconnecting links and the like on the power supply path, generating a power supply path connection relation diagram through an automatic tree layout technology, and displaying the power supply path connection relation diagram.
The method for analyzing the risk of the classified operation of the power protection and supply area based on the main distribution integration can analyze the whole network power supply path of the power protection user based on the main distribution integration model, analyze the power supply redundancy configuration of different voltage grades, establish a power supply risk expert library and evaluate the power supply loss risk of the power protection user.
Claims (3)
1. A power protection and supply area classified operation risk analysis method based on a main distribution body is characterized by comprising the following steps:
(1) acquiring data information of a main distribution integrated model and an operation mode, and establishing a connection relation between devices;
(2) starting from a target power protection user, obtaining equipment nodes of the power protection user, tracing back upwards step by step along the reverse direction of the tidal current flow direction by adopting a topology searching technology through the connection relation of the equipment nodes, and recording the equipment passing through the searching process until the equipment reaches the target voltage level;
(3) after the search is finished, counting all buses on the power supply path, sequentially analyzing the condition of the standby power supply of each bus, and recording the number of the standby power supplies;
(4) judging whether the number of the standby power supplies of each voltage grade meets the condition or not by combining the power supply risk rule base, and giving corresponding risk grades;
(5) and generating and displaying a power supply path connection relation graph through an automatic tree layout technology based on the equipment connection relation on the power supply path.
2. The method for analyzing the risk of the classified operation of the power protection and supply area based on the main power distribution integration as claimed in claim 1, wherein the step (2) comprises:
(2.1) starting from the power-saving user equipment node, and gradually tracing upwards based on the connection relation of the power grid model equipment;
(2.2) recording equipment in the searching process, and forming a connection relation;
and (2.3) judging whether the target voltage level is searched, if the highest voltage level is searched, finishing the search, and if not, continuing the equipment search of the next voltage level.
3. The power-supply-guaranteed region graded operation risk analysis method based on the main integration body and the main integration body as claimed in claim 1, wherein a tracing target of a power supply path can be manually specified, so that a device which finds a certain voltage class is a path tracing termination condition.
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| CN201810927616.1A CN109165837B (en) | 2018-08-15 | 2018-08-15 | Power protection and supply area grading operation risk analysis method based on main distribution integration |
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| CN201810927616.1A CN109165837B (en) | 2018-08-15 | 2018-08-15 | Power protection and supply area grading operation risk analysis method based on main distribution integration |
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| CN109165837B true CN109165837B (en) | 2021-11-30 |
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| CN111898925B (en) * | 2020-08-13 | 2022-08-05 | 国网湖南省电力有限公司 | Area protection power supply risk analysis method based on event tree |
| CN115347570B (en) * | 2022-10-17 | 2023-01-24 | 国网浙江省电力有限公司宁波供电公司 | Main-distribution cooperation-based regional power failure range analysis method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931726A (en) * | 2012-10-22 | 2013-02-13 | 深圳供电局有限公司 | Main network and distribution network integrated security power supply system |
| CN103955789A (en) * | 2014-04-18 | 2014-07-30 | 国电南瑞科技股份有限公司 | Power supply path analyzing method based on integrated model for allocation |
| CN105305444A (en) * | 2015-11-30 | 2016-02-03 | 国网浙江省电力公司绍兴供电公司 | Distribution network intelligent alarm and processing method based on integrated allocation |
| CN107944661A (en) * | 2017-10-26 | 2018-04-20 | 国电南瑞科技股份有限公司 | A kind of main distribution integration regulator control system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931726A (en) * | 2012-10-22 | 2013-02-13 | 深圳供电局有限公司 | Main network and distribution network integrated security power supply system |
| CN103955789A (en) * | 2014-04-18 | 2014-07-30 | 国电南瑞科技股份有限公司 | Power supply path analyzing method based on integrated model for allocation |
| CN105305444A (en) * | 2015-11-30 | 2016-02-03 | 国网浙江省电力公司绍兴供电公司 | Distribution network intelligent alarm and processing method based on integrated allocation |
| CN107944661A (en) * | 2017-10-26 | 2018-04-20 | 国电南瑞科技股份有限公司 | A kind of main distribution integration regulator control system |
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