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Because of energy shortage and environment pollution, the renewable energy, especially wind energy has become more and more considerable all over the world. Direct drive wind energy conversion systems based on multipole permanent magnet synchronous generator (PMSG) have some advantages such as no gearbox, high power density, high precision and easy to control. In our research project, a 2MW direct...
In this paper, the generation and path of conductive EMI in an active power filter (APF) are analyzed and the method to suppress the noise is presented. APF is a kind of PWM converter, which aims at solving the harmonic problem originated by nonlinear-load in power system. As compensating the low frequency harmonic components, it also generates electromagnetic noise in high frequency band. Following...
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