中国电机工程学报2024，Vol.44Issue(22)：9003-9013,中插26,12.DOI:10.13334/j.0258-8013.pcsee.231540
基于电流纹波预测的交错并联三相逆变器任意功率因数全范围软开关策略
Current Ripple Prediction Based Full Range Soft Switching Method for Two Parallel Interleaved Three-phase Inverters Under Any Power Factor
摘要
Abstract
In this paper,a zero-voltage-switching(ZVS)control strategy for two parallel interleaved three-phase inverters under any power factor situation is presented.The variable switching frequency can be simply calculated based on inductor current ripple prediction(CRP)to minimize the unnecessary conduction loss.Discontinuous pulse width modulation(DPWM)method is used to simplify the ZVS realization because only two phases are high frequency switching.The switching frequency variation range in a line cycle is narrow under any load,power factor,or modulation index.No additional high frequency current sensor or zero-crossing detection circuit is required.Due to the high switching frequency and low filter inductance,the size and cost of the inverter can be significantly reduced.The proposed control strategy has good ZVS performance and dynamic response under various load conditions.A 3.5 kVA experimental prototype using SiC MOSFETs verifies the effectiveness of the proposed control strategy.关键词
电流纹波预测/可变开关频率/断续空间矢量调制/零电压开通Key words
current ripple prediction(CRP)/variable switching frequency/discontinuous space vector modulation/zero voltage switching(ZVS)分类
信息技术与安全科学引用本文复制引用
陈建良,刘耀源,张子旭,辛振,李永建..基于电流纹波预测的交错并联三相逆变器任意功率因数全范围软开关策略[J].中国电机工程学报,2024,44(22):9003-9013,中插26,12.基金项目
国家自然科学基金项目(52007049) （52007049）
河北省自然科学基金项目(E2021202046). Project Supported by National Natural Science Foundation of China(52007049) （E2021202046）
Natural Science Foundation of Hebei Province(E2021202046). （E2021202046）
