特高压接入对天津500 kV电网短路电流影响及限制措施
Electric Power Construction（2015）
Abstract
采用中国电力科学研究院开发的PSD￣BPA软件，详细分析了特高压接入对天津500 kV电网的影响。天津南特高压站投产对天津500 kV电网潮流、电压和暂态稳定水平影响不大，但对短路电流影响较大，提高了天津500 kV变电站的短路水平，使得天津南和静海500 kV侧短路电流超标。针对短路电流超标问题提出限制短路电流的3种措施，采用PSD￣BPA软件对3种限制措施进行分析，检验3种限制措施的效果。最后，从限制短路电流效果和对电网安全稳定运行的影响2方面对3种限制措施进行比较分析，论述了3种限制措施的优劣性。
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