Comparing and Simulation of APF Control Strategies with Time Varying Inductive Load

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Abstract:

According to the harmonic with phase controlled rectifying technology producing applied oil deposit, this paper adopts APF (active power filter) to filter out the harmonic. The current hysteresis, triangular wave and SVPWM-three kinds of control strategies are discussed. The filter effecting of three strategies are sketched. Aiming at the drawback, it show that the strategy and method with APF based on switched linear theory. The simulation results show that the filtering effect of switched linear theory is better where harmonic is serious; the trigger angle and harmonic is small, and there is no obvious difference compared with other three strategies. Therefore Linear switches suitable for harmonic suppression, When the impedance change big and triggering angle of rectifier equipment change small.

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187-190

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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