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Crowbar-based control is one of the main low voltage ride through (LVRT) control methods for doubly-fed induction generator (DFIG), but converter is still at risk of being damaged by over-current at rotor side after crowbar exits during fault recovering period. For the issue, a model for fault process analysis based on equivalent dynamic model of DFIG is established. The mechanism of phase angle jumping...
This paper presents a real time simulation method of wind power generation system with doubly fed induction generator (DFIG) using real time digital simulator (RTDS). A vector control strategy is proposed to realize decoupled control of real power and reactive power. Rotor side converter controls the complex power of stator while grid side converter regulates the DC link voltage and the reactive power...
This paper presents the analysis and operation of doubly fed induction generator (DFIG)-based wind power generation system under unbalanced network voltage conditions. The limited voltage and current ratings, the control capabilities of both the grid-side and the rotor-side converter (GSC & RSC) for unbalanced network voltage compensation are investigated in detail. A new current control scheme,...
Recently electricity generation from wind power has been increasingly popular worldwide as one of the most promising renewable energy sources. This paper proposes an adaptive control strategy for interfacing distributed generations (DGs) from wind power to utility distribution grids. This paper presents the voltage control requirements and protection requirements for wind-powered DGs according to...
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