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Comparison Between Voltage Droop and Voltage Margin Controllers for MTDC Systems

机译:MTDC系统的电压下降和电压裕量控制器之间的比较

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This paper studies the problem of DC voltage control in a HVDC multi-terminal system based on voltage source converters. The control scheme used is based on inner current and outer loops. External loops define or modify the power reference in each converter. Master- slave DC voltage, droop voltage and margin voltage controllers are described, and their implementation diagrams are depicted. Dynamic behaviour of the MTDC grid equipped within DC voltage controllers is studied and analysed. A three terminal MTDC system subject to converter loss is simulated. Margin and droop DC voltage controllers are tested, indicating relevant differences in the use of both controllers.
机译:本文研究了基于电压源转换器的HVDC多端子系统中的直流电压控制问题。使用的控制方案基于内部电流和外部环路。外部环路定义或修改每个转换器中的功率基准。描述了主从DC电压,下降电压和裕量电压控制器,并描述了它们的实现图。研究并分析了配备在直流电压控制器中的MTDC电网的动态行为。模拟了遭受转换器损耗的三端子MTDC系统。已测试余量和下垂DC电压控制器,表明两种控制器在使用上存在相关差异。

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