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Simulation study of the influence of photovoltaic power on line protection of distribution networks
Author(s): 
Pages: 75-79
Year: Issue:  15
Journal: Relay

Keyword:  PSCAD/EMTDC仿真分析;
Abstract: 针对光伏电源接入点处线路上不同区域的故障,对其馈线各处保护的影响进行了定性分析.利用PSCAD/EMTDC建立含光伏电源的配电网算例模型,在各种不同故障位置情况下,通过对传统配电网保护的影响进行仿真分析,计算并绘出光伏电源注入容量变化时,模型各处保护的电流与电压的变化情况,结果表明,配电网中接入光伏电源后,电流保护按原有的整定原则将不再正确反应于故障,需要重新整定动作电流和动作时限,并根据光伏电源...
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