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高压直流输电系统数字物理动态仿真

, PP. 221-228

Keywords: 数模混合,仿真平台,高压直流输电,功率连接

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Abstract:

对交直流输电系统进行大规模电力系统数字-模拟混合仿真,不但能实现常规的系统稳定性研究,还能针对局部系统进行详细的电磁暂态性能分析,极大提高了电力系统仿真分析的准确性。本文基于功率连接技术搭建了适用于交直流大电网仿真的数模混合仿真实验平台。该平台既可以对大电网进行全数字实时仿真也可对局部电力系统进行物理仿真,成功实现了三峡地下—上海西±500kV高压直流输电一次设备与数字大电网的数模混合实时仿真。数模混合仿真结果与全物理仿真装置仿真结果的比较,验证了利用本文提出的数模混合仿真平台进行数模混合仿真的可行性和有效性。

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