智能变电站实时闭环测试技术研究及应用

智能变电站的大规模推广，对二次系统在各种故障及异常情况下的动态性能测试，提出了更高要求，基于实时数字仿真系统（real-time digital simulator, RTDS）开展智能变电站二次系统动模试验方法研究，提出了智能变电站数字动模测试模式，并设计了智能变电站二次系统闭环测试方案，用于保护装置性能试验、二次系统特殊试验以及全站二次系统整体测试等。最后，结合某500kV智能变电站工程集成联调，对其二次系统开展了数字动模试验，考察了二次系统的性能，结果表明该测试方案科学有效。

Research and Application of Real-Time Close-loop Test Technology for Intelligent Substation

With the large-scale spread and application of intelligent substation, it has a higher demand on the dynamic performance testing of secondary system under various fault and abnormal situations. Based on real-time digital simulator （RTDS）, the dynamic test method for the secondary system of intelligent substation was studied, and the test mode was proposed. Then, the close-loop test scheme was designed for the secondary system of intelligent substation, which could be applied in protection performance test, secondary system special test and station overall test, etc. Finally, combined with the integration test of a 500 kV intelligent substation project, the digital dynamic test was conducted for the secondary system to assess its performance. The results show that the test scheme is scientific and effective.