配电网小电抗接地方式的分析

Analysis of small reactance grounding method for distribution network

基于ATP-EMTP软件的仿真计算平台,依据系统实际接线和参数,对小电抗装置在限制过电压水平、短路电流的分流以及故障选线等性能影响方面,做出了科学的评估;并通过实验室试验验证了小电抗装置的实际运行特性和ATP-EMTP软件仿真计算的科学性;结合仿真计算与实验室试验,对小电抗运行方式进行了优化,提出了小电抗运行方式的优化方案,并通过仿真计算验证了优化后的小电抗装置运行的优越性.

Based on the software platform about the ATP-EMTP simulation calculation and the actual connection and parameter,this paper makes the scientific assessment of performance about limit overvoltage level,shunt short-circuit current and fault location of the small reactance.Meanwhile,the laboratory test verifies the practical characteristics about small reactance and the scientificity about ATP-EMTP simulation calculation.Through the simulation calculation and lab tests to optimize the operation mode for small reactance,this paper proposes an optimization scheme of small reactance,and through the simulation results to verify the superiority about the optimized small reactance.