基于载波移相控制的模块化串并联逆变器非理想条件谐波特性分析

doi:10.19595/j.cnki.1000-6753.tces.190140

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Abstract With the larger scale application of multi-electric and all-electric aircraft, higher requirements are put forward on the power capacity of aeronautical static inverter (ASI), and more power expansion is realized by modular series and parallel methods. The expansion mode combined with carrier phase shift modulation can further reduce the switching frequency harmonic components of the system. However, the parameter imbalance between the modular modules on the airborne occasion and the control mode based on the analog circuit cause additional low frequency or DC offset disturbances in control signals, resulting in superimposing unconventional harmonic components on the input and output sides of the ASI. In this paper, based on the double-Fourier analysis and exponential function model of bridge voltage, the input and output harmonic distributions of modular series and parallel ASI are performed under non-ideal conditions. Analysis and comparison reveal the harmonic distribution characteristics of the modular ASI. Finally, the correctness of theoretical analysis is verified by simulation and experiment.

Key words： Interleaving parallel cascaded inverter double-Fourier analysis harmonic distribution

Received: 30 January 2019 Published: 24 April 2020

PACS:	TM614
	TM76

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	Chen Yihan
	Guo Honghao
	Chen Jiawei

Cite this article:

Chen Yihan,Guo Honghao,Chen Jiawei. Analysis of Harmonic Characteristics in Non-Ideal Conditions of Modular Series/Parallel Inverter Based on Carrier Phase Shift Control[J]. Transactions of China Electrotechnical Society, 2020, 35(8): 1690-1704.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.190140 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I8/1690

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