Circulation analysis system and circulation analysis method of complicated power distribution network loop closing operation

Abstract

The invention relates to a circulation analysis system and a circulation analysis method of complicated power distribution network loop closing operation. The circulation analysis system of the complicated power distribution network loop closing operation comprises a database server and a work station. The database server is connected with an external supervisory control and data acquisition (SCADA) system through a physical isolation device or a firewall and receives scalable vector diagrams of the SCADA system. The work station is connected with an external distribution SCADA (DSCADA) system through the physical isolation device or the firewall. The database server receives system public information models of an external production information management system to export files. The database server is connected with the work station through the network.

Description

technical field [0001] The invention relates to a circulation analysis system and a circulation analysis method for complex distribution network loop closing operation. Background technique [0002] With the development of power distribution network, the power supply modes of two-way power supply and multi-power supply power supply in distribution network are increasing day by day, and the increase of contact points has brought great benefits to load transfer. When a certain busbar, switch or feeder needs to be overhauled or fails, the loads powered by multiple power sources on the busbar, switch or feeder can perform load transfer. At present, some power supply companies are also trying to transfer the hot load to other busbars or feeders connected to it through the loop closing operation of 10kV or 380V equipment, so as to realize the load switching without power failure (live loop closing). However, the domestic research on the loop closure of the distribution network fo...

AI Technical Summary

Problems solved by technology

However, the domestic research on the loop closure of the distribution network for multi-terminal power supply has only started in recent years, and a complete set of theoretical calculation methods and systems for loop closure operations have not been formed. experience to guide

This makes it possible for the switch at one end to trip during the hot load switching process, especially in the case of different partitions. This unpredictability brings great difficulties to the dispatching work. , it will cause power outages for users, affecting the normal production and living electricity consumption of residents.

Images