CN-121981678-A - Relay protection overhaul opinion generation method

CN121981678ACN 121981678 ACN121981678 ACN 121981678ACN-121981678-A

Abstract

The application provides a relay protection overhaul opinion generation method, and relates to the field of relay protection of power systems. And acquiring operation mode data and protection equipment configuration information associated with the power failure equipment information through a dispatching management system, dynamically generating overhaul opinions based on a preset overhaul rule base, and feeding back to the system. By integrating the power failure mode opinion and the power grid operation data, primary equipment affected by the power failure and the topological connection state of the primary equipment can be accurately identified, and the integrity and instantaneity of the operation mode data are ensured. And combining the state inquiry of the soft pressing plate of the protection equipment in the information protection master station, accurately acquiring the configuration information of the protection equipment, and providing reliable input for the matching of the overhaul rule base. The method improves the accuracy and response speed of relay protection overhaul opinion generation through full-flow automatic processing, and solves the problems of low efficiency and high misjudgment rate caused by the fact that the traditional method relies on manual experience.

Inventors

JIANG QINGKAI
Yuan Youxia
XU YINGSI
LIANG JIEHUA
HUANG MIAO
DONG HUI
CHEN SHIJIE
WANG HUAYOU
HE XINXIN
LIN XIONGFENG
ZHOU GUI
LI MENGQI
Qiu tianyi
FAN SHUQIN
SUN HUIYU

Assignees

广东电网有限责任公司中山供电局

Dates

Publication Date: 20260505
Application Date: 20260122

Claims (10)

1. A relay protection overhaul opinion generation method is characterized by comprising the following steps: Acquiring operation mode data and protection equipment configuration information associated with the power failure equipment information according to the power failure mode opinion of the dispatching management system; The power failure mode opinion is used for indicating the running state change condition of each device in the electric system in the preset area within the preset duration; generating relay protection overhaul opinions according to the operation mode data and the protection equipment configuration information based on a preset overhaul rule base; and feeding back the relay protection overhaul opinion to the dispatching management system.
2. The method according to claim 1, wherein the generating means of the blackout opinion includes: Initiating power failure application data on the dispatching management system through a first terminal, wherein the power failure application data comprises power failure equipment information, dispatching information and overhaul content information; and processing the power failure application data on the dispatching management system through a second terminal, generating power failure event information and power restoration event information according to the power failure application data, and determining equipment information, state change information and power system operation information according to the power failure event information and the power restoration event information to further determine the power failure mode opinion.
3. The method of claim 1, wherein the obtaining operation mode data and protection device configuration information associated with the outage device information comprises: determining the affected primary equipment in the power grid according to the power failure mode opinion of the dispatching management system; Acquiring a topological connection state and current operation parameters associated with the primary equipment, and determining operation mode data; acquiring a list of protection devices in the information-protection master station according to the power failure mode opinion and the operation mode data; And determining configuration information of the protection equipment according to the protection equipment list.
4. A method according to claim 3, wherein said determining protection device configuration information from said list of protection devices comprises: calling a soft pressing plate inquiry interface of the information-protecting main station, and acquiring the switching state and the type identification of each soft pressing plate of the associated protection device according to the protection device list; The soft pressing plate type identifier comprises a bus interconnection soft pressing plate, a sectionalizing switch tripping soft pressing plate or a main transformer protection locking soft pressing plate.
5. The method of claim 1, wherein the method for constructing the preset overhaul rule base comprises the following steps: extracting protection equipment operation records related to bus power failure or main transformer switching operation from a historical maintenance list; Determining an operation mode and a judging condition according to a flow corresponding to the operation record, and further determining a soft pressing plate configuration strategy according to the operation mode and the judging condition; generating operation nodes according to the operation mode, generating association relations among the operation nodes according to the judging conditions, carrying out clustering optimization according to the operation nodes and the judging conditions, dynamically generating expert knowledge patterns, and establishing an overhaul rule base through the expert knowledge patterns.
6. The method according to any one of claims 1-5, further comprising: After the relay protection maintenance opinion is executed, verifying the current change after the operation of the soft pressing plate according to the telemetry data of the information-preserving substation; and if the current deviation corresponding to the soft pressing plate before and after operation exceeds a threshold value, regenerating the relay protection maintenance opinion and triggering an alarm prompt.
7. A relay protection overhaul opinion generation system for performing the method of any of claims 1-6, the system comprising: The dispatching management system and the maintenance list server are deployed in the safety III area, and the dispatching automation system and the information protection master station are deployed in the safety I area; The maintenance list server performs data interaction with the dispatching automation system and the information protection master station through a safety isolation device; The safety I area and the safety III area are divided according to network safety requirements of the power system, the safety I area is used for indicating network partitions for real-time control of power production and transmission, and the safety III area is used for indicating network partitions for internal operation decisions of the power system.
8. A relay protection overhaul opinion generation device, characterized in that the device comprises: The acquisition module is used for acquiring operation mode data and protection equipment configuration information associated with the power failure equipment information according to the power failure mode opinion of the dispatching management system; the processing module is used for generating relay protection overhaul opinions according to the operation mode data and the protection equipment configuration information based on a preset overhaul rule base; and the processing module is also used for feeding back the relay protection overhaul opinion to the dispatching management system.
9. A computer device comprising one or more processors and a memory having stored therein computer readable instructions which, when executed by the one or more processors, perform the steps of the method of any of claims 1-6.
10. A storage medium having stored therein computer readable instructions which, when executed by one or more processors, cause the one or more processors to perform the steps of the method of any of claims 1-6.

Description

Relay protection overhaul opinion generation method Technical Field The application relates to the field of relay protection, in particular to a relay protection overhaul opinion generation method. Background Currently, when primary equipment needs to be powered off, a service bill applicant needs to initiate a primary equipment power off application at a dispatching management system, a mode responsibility is checked and approved, and then mode comments need to be issued, if the power off needs to be matched with relay protection equipment, relay protection responsibility needs to be carried out, and relay protection maintenance comments can be signed at present, so that the relay protection maintenance comments can be signed under the condition of multi-system matching, relay protection responsibility is analyzed according to the power off equipment, mode comments, primary equipment operation modes and the like, relay protection equipment which needs to be matched for operation at the time of power off is needed, some power failures also need to be obtained to protect a pressing plate table of equipment, and the method needs to be carried out manually, and has the problems of high cost, low efficiency, high error risk and the like. Therefore, a relay protection overhaul opinion generation method is needed to improve the cooperative efficiency and automation level related to the relay protection overhaul opinion, so as to reduce labor cost and improve the efficiency and effectiveness of data processing and interaction. Disclosure of Invention The application aims to at least solve one of the technical defects, in particular to the technical defects of high cost, low efficiency and high error risk caused by the fact that relay protection overhaul opinion generation needs to be carried out manually in the prior art. In a first aspect, the present application provides a method for generating a relay protection overhaul opinion, where the method includes: acquiring operation mode data and protection equipment configuration information associated with the power failure equipment information according to the power failure mode opinion of the dispatching management system; generating relay protection overhaul opinions according to the operation mode data and the protection equipment configuration information based on a preset overhaul rule base; and feeding back the relay protection overhaul opinion to the dispatching management system. As an optional implementation manner, the generating manner of the power outage manner opinion includes: Initiating power failure application data on the dispatching management system through a first terminal, wherein the power failure application data comprises power failure equipment information, dispatching information and overhaul content information; and processing the power failure application data on the dispatching management system through a second terminal, generating power failure event information and power restoration event information according to the power failure application data, and determining equipment information, state change information and power system operation information according to the power failure event information and the power restoration event information to further determine the power failure mode opinion. As an optional implementation manner, the acquiring the operation mode data and the protection device configuration information associated with the power outage device information includes: Determining affected primary equipment in a power grid according to the power failure mode opinion of the dispatching management system; Acquiring a topological connection state and current operation parameters associated with the primary equipment, and determining operation mode data; acquiring a list of protection devices in the information-protection master station according to the power failure mode opinion and the operation mode data; And determining configuration information of the protection equipment according to the protection equipment list. As an optional implementation manner, the determining protection device configuration information according to the protection device list includes: calling a soft pressing plate inquiry interface of the information-protecting main station, and acquiring the switching state and the type identification of each soft pressing plate of the associated protection device according to the protection device list; The soft pressing plate type identifier comprises a bus interconnection soft pressing plate, a sectionalizing switch tripping soft pressing plate or a main transformer protection locking soft pressing plate. As an optional implementation manner, the method for constructing the preset overhaul rule base includes: extracting protection equipment operation records related to bus power failure or main transformer switching operation from a historical maintenance list; Determining an operation mode and a judging cond