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Voltage stability is an important issue to be considered in power system with large scale wind power integration. The mechanism of transient voltage instability induced by wind power is studied. A variable speed wind turbine can control the power rapidly and flexibly with power electronic convertors. The fast dynamics related to power electronic control transients can be neglected, and the wind power...
Model reference adaptive system(MRAS) is introduced in speed estimation for salient pole permanent magnet generator(PMSG) in wind turbine system. Firstly, current model for the salient pole PMSG is established and used as adjustable model, and the salient pole PMSG itself is used as reference model, then the adaptive law is derived. The estimated speed is used for the control of PMSG wind turbine...
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