Digital Noninterleaved High-Power Totem Pole PFC Based on Internal Model Design

Fei Gao, Rongfei Xia, Yifei Chen and Yongjian Feng

Mathematical Problems in Engineering, 2019, vol. 2019, 1-10

Abstract:

When the control signal of totem pole PFC with GaN HEMTs is a function of measurable state variables, the state feedback gain matrix can be determined by applying state variable feedback control with Ackerman formula, so that the poles of closed-loop system can be allocated to the desired position. This correction method is especially beneficial to optimal system control according to performance requirements. By introducing the internal model of reference input, a state space function including the first-order and second-order differential of error is constructed; this novel controller makes controlled system track the reference input signal progressively with zero steady-state error. A 4 kW PFC prototype is designed to verify this design method.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:4368324

DOI: 10.1155/2019/4368324

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