基于ENTSILDIg软件的配电网继电保护参数提取方法

Method for Extracting Relay Protection Parameters of Distribution Network Based on ENTSILDIg Software

为了提高配电网继电保护参数检测和分析能力,提出基于ENTSILDIg软件的配电网继电保护参数提取方法。构建大规模面板级配电网继电保护参数融合模型,结合大规模面板级配电网继电融合特征分析方法,实现分布式最大功率点跟踪方法;采用小扰动稳定性特征分析方法,对配电网继电保护特征参数进行分析;在串并联结构分布下,实现配电网继电保护参数融合;在锁相环控制结构中,根据理想交流电压源参数控制方法提取配电网继电保护参数;利用ENTSILDIg软件实现对配电网继电保护参数提取仿真。测试结果表明,设计方法能有效提高配电网继电保护参数融合和控制能力,提高参数解析的稳定性,电网输出的可靠性较好。

In order to improve the detection and analysis ability of relay protection parameters of distribution network,a method of extracting relay protection parameters of distribution network based on entsildig software is proposed.In this paper,a large-scale panel level distribution network relay protection parameter fusion model is constructed,and the distributed maximum power point tracking method is realized by combining with the relay fusion feature analysis method of large-scale panel level distribution network.The small signal stability characteristic analysis method is used to analyze the characteristic parameters of distribution network relay protection;Under the distribution of series parallel structure,the relay protection parameters fusion of distribution network is realized;In the PLL control structure,the relay protection parameters of distribution network are extracted according to the ideal AC voltage source parameter control method;The simulation of distribution network relay protection parameters extraction is realized by entsildig software.The test results show that the method can effectively improve the fusion and control ability of relay protection parameters,improve the stability of parameter analysis and the reliability of power grid output.