Journal
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS
Volume 66, Issue 9, Pages 7442-7446Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIE.2018.2864709
Keywords
Bang-bang control; fault ride-through (FRT); grid-side converter (GSC)
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Funding
- General Financial Grant from the China Postdoctoral Science Foundation [2017M620373]
- State Key Program of National Science of China [51437006]
- Guangdong Innovative Research Team Program [201001N0104744201]
- National Natural Science Foundation of China [51807067]
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This letter proposes a switching-fault ride-through controller (SFRTC) for the grid-side converter of permanent magnetic synchronous generator-based wind turbines. The SFRTC switches between an observer-based bang-bang funnel controller (OBFC) and a vector controller via a state-dependent switching scheme. The design of OBFC does not rely on accurate system information, and it works with the estimates of high-order dynamics of system outputs obtained with a high-gain observer. The fault ride-through control performance of SFRTC was studied with hardware-in-the-loop experiments.
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