Variable Switching Frequency Scheme Minimizing Inductor Saturation Margin for Totem-Pole Rectifier Based on Frequency-Domain Ripple Analysis

Jinshui Zhang; Yan Zhang; Jinjun Liu; Yuan Gao; Xiaoyang Gao

doi:10.1109/TIE.2021.3131845

Variable Switching Frequency Scheme Minimizing Inductor Saturation Margin for Totem-Pole Rectifier Based on Frequency-Domain Ripple Analysis

Jinshui Zhang
, Yan Zhang
, Jinjun Liu
, Yuan Gao
, Xiaoyang Gao

School of Electrical Engineering

Xi'an Jiaotong University

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Powdered iron core (PIC) inductors demand a considerable design margin to avoid magnetic saturation, limiting the converters' power density. This article formulates a frequency-domain method to assess the saturation's influence on the current ripple, and proposes an optimal variable switching frequency scheme to offset the harmonics growth. A Totem-Pole rectifier prototype is built to estimate this scheme. Its harmonics distortion is reduced by 0.69% without causing instability or extra power loss. Thus, deeper saturation is allowed for PIC inductors and the saturation margin is narrowed, shrinking inductor's volume by 2/3 to reach a higher power density.

Original language	English
Pages (from-to)	12632-12640
Number of pages	9
Journal	IEEE Transactions on Industrial Electronics
Volume	69
Issue number	12
DOIs	https://doi.org/10.1109/TIE.2021.3131845
State	Published - 1 Dec 2022

Keywords

Powder core inductor
Totem-Pole rectifier
current ripple analysis
saturation margin
variable switching frequency scheme

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10.1109/TIE.2021.3131845

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title = "Variable Switching Frequency Scheme Minimizing Inductor Saturation Margin for Totem-Pole Rectifier Based on Frequency-Domain Ripple Analysis",

abstract = "Powdered iron core (PIC) inductors demand a considerable design margin to avoid magnetic saturation, limiting the converters' power density. This article formulates a frequency-domain method to assess the saturation's influence on the current ripple, and proposes an optimal variable switching frequency scheme to offset the harmonics growth. A Totem-Pole rectifier prototype is built to estimate this scheme. Its harmonics distortion is reduced by 0.69\% without causing instability or extra power loss. Thus, deeper saturation is allowed for PIC inductors and the saturation margin is narrowed, shrinking inductor's volume by 2/3 to reach a higher power density.",

keywords = "Powder core inductor, Totem-Pole rectifier, current ripple analysis, saturation margin, variable switching frequency scheme",

author = "Jinshui Zhang and Yan Zhang and Jinjun Liu and Yuan Gao and Xiaoyang Gao",

note = "Publisher Copyright: {\textcopyright} 1982-2012 IEEE.",

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T1 - Variable Switching Frequency Scheme Minimizing Inductor Saturation Margin for Totem-Pole Rectifier Based on Frequency-Domain Ripple Analysis

AU - Zhang, Jinshui

AU - Zhang, Yan

AU - Liu, Jinjun

AU - Gao, Yuan

AU - Gao, Xiaoyang

PY - 2022/12/1

Y1 - 2022/12/1

N2 - Powdered iron core (PIC) inductors demand a considerable design margin to avoid magnetic saturation, limiting the converters' power density. This article formulates a frequency-domain method to assess the saturation's influence on the current ripple, and proposes an optimal variable switching frequency scheme to offset the harmonics growth. A Totem-Pole rectifier prototype is built to estimate this scheme. Its harmonics distortion is reduced by 0.69% without causing instability or extra power loss. Thus, deeper saturation is allowed for PIC inductors and the saturation margin is narrowed, shrinking inductor's volume by 2/3 to reach a higher power density.

AB - Powdered iron core (PIC) inductors demand a considerable design margin to avoid magnetic saturation, limiting the converters' power density. This article formulates a frequency-domain method to assess the saturation's influence on the current ripple, and proposes an optimal variable switching frequency scheme to offset the harmonics growth. A Totem-Pole rectifier prototype is built to estimate this scheme. Its harmonics distortion is reduced by 0.69% without causing instability or extra power loss. Thus, deeper saturation is allowed for PIC inductors and the saturation margin is narrowed, shrinking inductor's volume by 2/3 to reach a higher power density.

KW - Powder core inductor

KW - Totem-Pole rectifier

KW - current ripple analysis

KW - saturation margin

KW - variable switching frequency scheme

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U2 - 10.1109/TIE.2021.3131845

DO - 10.1109/TIE.2021.3131845

M3 - 文章

AN - SCOPUS:85121358204

SN - 0278-0046

VL - 69

SP - 12632

EP - 12640

JO - IEEE Transactions on Industrial Electronics

JF - IEEE Transactions on Industrial Electronics

IS - 12

ER -

Variable Switching Frequency Scheme Minimizing Inductor Saturation Margin for Totem-Pole Rectifier Based on Frequency-Domain Ripple Analysis

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