期刊
IEICE NONLINEAR THEORY AND ITS APPLICATIONS
卷 12, 期 4, 页码 711-717出版社
IEICE-INST ELECTRONICS INFORMATION COMMUNICATION ENGINEERS
DOI: 10.1587/nolta.12.711
关键词
multi-terminal DC system; interconnected power system; short-term voltage stability; AC voltage control
资金
- JST SICORP, Japan [JPMJSC17C2]
This paper investigates the short-term voltage stability of the IEEE 9-bus system connected to a multi-terminal DC system based on VSC. The simulation results show that the introduction of AC voltage control in VSC can increase the load margin and enhance the short-term voltage stability without relying on the AC system.
The so-called short-term voltage stability is typical of nonlinear problems arising in dynamic performance of electric power systems. This paper reports a simulation result on load margin for short-term voltage stability of the IEEE 9-bus system connected to a multi-terminal DC system based on voltage-source converter (VSC). The simulation shows that the introduction of AC voltage control in VSC increases the load margin under a step change in load on the AC system, thereby showing a clear benefit of the AC voltage control for enhancing the short-term voltage stability without harnessing the AC system.
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