A stability control device operation information system and an online power grid risk assessment method thereof

Abstract

The invention discloses a stability control device operation information system and an online power grid risk assessment method thereof. The system comprises a main controller, a data acquisition module, a centralized monitoring module, a real-time alarm module, an operation management module and an early warning decision module which are connected. The data acquisition module is used for acquiring actual measurement information of the stability control device, the centralized monitoring module is used for centralized monitoring of measured information of the stability control device, the real-time alarm module is at least used for event alarm of the stability control device and/or alarm of data inconsistency and/or insufficient control quantity, the operation management module is at leastused for constant value management and/or abnormal processing and/or action management of the stability control device, and the early warning decision module is used for current stability control strategy aided decision and/or online power grid risk assessment. According to the invention, an electric power safety accident level risk on-line assessment function possibly triggered by load sheddingdue to the action of the stability control device is realized, and a decision basis is provided for scheduling operation personnel to adjust the configuration of stability control system control elements and adjust the operation mode.

Description

technical field [0001] The invention relates to the technical field of power grid risk assessment, in particular to an operation information system of a stability control device and an online power grid risk assessment method thereof. Background technique [0002] In July 2011, the State Council promulgated the "Regulations on Emergency Response and Investigation and Handling of Electric Power Safety Accidents" (Decree No. 599 of the State Council of the People's Republic of China, hereinafter referred to as the "Regulations"), which was officially implemented on September 15 of the same year. This is my country's first The Ministry of Administrative Regulations specifically regulates the emergency response and investigation of power safety accidents, and then the State Grid Corporation and China Southern Power Grid successively issued the "State Grid Corporation Safety Accident Investigation Procedures" and "China Southern Power Grid Co., Ltd. Electric Accident Investigation ...

AI Technical Summary

Problems solved by technology

[0007] Although the above-mentioned Chinese invention patent applications all involve the level assessment of power safety accidents, there are significant differences from the present invention: 1. The above-mentioned invention is still in the state of offline analysis and calculation, and it is in line with the actual operation requirements of the power grid in terms of coverage and timeliness There is a certain gap, and no online assessment related to the level of power safety accidents has been found; 2. There is no level of power grid safety accidents caused by load shedding of the second line of security defense safety and stability control device (hereinafter referred to as "stability control device") Although the risk assessment method is involved in the Chinese invention patent application CN104021501A, it does not effectively use the measured data of the stability control device, and it is not an online assessment method; 3. The description of the level assessment of power safety accidents is relatively simple, basically only considering the reduction of supply load The proportion is a single element, and it fails to involve the determination elements such as the proportion of lost users and out-of-pressure plants and stations in the "Regulations" and "Procedures"

[0008] To sum up, the current operation information system of the stability control device does not have the online power grid risk assessment function

Images