新疆准东电网短路电流综合限制措施

The Comprehensive Limiting Measures Of Short-circuit In Xinjiang Zhundong Grid

介绍新疆地区短路电流已超过50 k A的短路容量水平,采用电磁全解环的方式加以控制,远期2020年特高压直流配套电源建成后,以电磁全解环的方式,短路电流仍然超标,因此,对准东电网远期提出综合限流方案,通过对比,筛选最合适的方案,使得短路电流限制在合理范围内,满足电网运行的要求。

Up to now, the maximum short circuit current of this region has more than 50 k A.Using the open-loop Operation of Electromagnetic loop to control,with the UHV DC power supply put into operation in 2020,the short-circuit current still exceed the standard,so put forward a comprehensive current to limiting scheme.By contrast,choose the most suitable scheme,let the short-circuit current limited within a reasonable range,meet the requirement of power grid operation.