PROJECT TITLE :
Single-Phase Power Generation Employing VFC for Stand-Alone Three-Phase Doubly Wound Asynchronous Generator
This paper presents a stand-alone doubly wound asynchronous generator (DWAG) employed for feeding single-phase masses with harmonic compensation. Pulsewidth modulation controlled back-to-back-connected voltage-source converters (VSCs) are used with a battery-supported common dc link. The stator converter (SC) with a star-delta-connected transformer is used to provide functions of a load leveler, a current balancer, and a harmonics eliminator. The rotor converter (RC) is used to realize most power tracking together with control of voltage and frequency at DWAG stator underneath varying rotor speeds. Both VSCs are controlled in vector oriented control mode to realize strong dynamic response. The proposed management scheme for SC and RC is realized employing a digital signal processor. Performance of developed system is demonstrated beneath linear and nonlinear loads using simulation and experimental results.
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