- Volume 21 Issue 2
This paper proposes a new PWM method to reduce the common mode voltage change in three-level Vienna rectifier. This new proposed PWM method uses medium voltage vector for the three-level Vienna rectifier to determine the sum of three-phase voltage zero, and the common mode voltage variation is decreased. Using the carrier comparison method, the switching function generator for three-level Vienna rectifier has been proposed. The effects of the proposed PWM method have been verified through simulation using the PSIM.
EMI(Electro Magnetic Interference);Vienna rectifier;Medium vector pulse width modulation
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연구 과제 주관 기관 : 한국연구재단, 산업통상자원부