华北500 kV输电网运行方式评析

概述华北５００ＫＶ输电网的现状和近期发展，对华北输电网结构设计原则提出建议。并对目前华北电网采取断开丰同５００ＫＶ线路，解环运行方式在经济上的代价、解环运行对华北网的整体安全可靠性的影响，华北５００ＫＶ电网稳定设计标准和对多重故障的合理考虑以及对大房双回同时或相继断开的对策进行评述。

A Discussion on Operating Schemes of North China 500 kV Power Network

The paper describes the present state and near-term development of North China 500 kV Power Network, and comments on the design criteria for network configuration. It reviews also the economic cost and operational reliability of 500 kV system under open loop operation; the design criteria of system stability; rational considerations on multiple faults and measures against simultaneous or subsequent cut-off of Dafang double-circuit line.