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Investigation of dc-network resonance-related instabilities in VSC-based multi-terminal HVDC systems with tests with a real-time digital simulator

Gustavo Pinares (Institutionen för elektroteknik, Elkraftteknik) ; Massimo Bongiorno (Institutionen för elektroteknik, Elkraftteknik)
European Conference on Power Electronics p. 10. (2017)
[Konferensbidrag, refereegranskat]

A simplified method is proposed to investigate potential instabilities originated from dc-side resonances in multi-terminal HVDC systems. The method consists of identifying the resonances from the points to where the converters are connected. The method is applied to a four-terminal HVDC system, and the analysis indicates there are two resonance phenomena and a group of converters have the most significant impact on the first resonance, while the others on the second resonance. The four-terminal HVDC system is implemented in a Real-Time Digital Simulator and three dc-network configurations are investigated through the proposed method. The test results show the validity of the theoretical findings

Nyckelord: Multi-terminal HVDC, Voltage Source Converter, Resonance, Real-Time Digital Simulator, Stability



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Denna post skapades 2017-09-15.
CPL Pubid: 251946

 

Institutioner (Chalmers)

Institutionen för elektroteknik, Elkraftteknik

Ämnesområden

Energi
Elkraftteknik

Chalmers infrastruktur