基于RTDS的配电网一二次融合仿真技术

Primary and secondary integration simulation technology of distribution network based on RTDS

提出一种基于实时数字仿真仪(real time digital simulator,RTDS)的配电网一二次设备融合仿真技术。阐述配电网一二次设备融合仿真系统的基本要求和总体框架,并给出仿真系统的总体设计方法。从一二次设备数据获取、接口、转换以及算法选取等方面,提出仿真系统的具体实现方法。以采用所提的仿真系统对配电网继电保护算例进行仿真,整个仿真系统的响应时间在2~3个仿真步长,验证了所提一二次设备融合仿真技术的可行性和有效性。

A simulation technology of primary and secondary equipment integration in distribution network based on RTDS was proposed.Firstly,the basic requirements and overall framework of the primary and secondary equipment integration simulation system for distribution network were described,and the overall design method of the simulation system was given.Then,from the aspects of data acquisition,interface,conversion and algorithm selection of primary and secondary equipment,the specific implementation method of the simulation system was proposed.An example of relay protection in distribution network was simulated by using the proposed simulation system,the response time of the whole simulation system 2~3 simulation steps,which verified the feasibility and validity of the proposed primary and secondary equipment integration simulation technology.