期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 42, 期 3, 页码 770-778出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2006.872927
关键词
pulsewidth modulation (PWM); voltage boost; Z-source inverter
This paper proposes two constant boost-control methods for the Z-source inverter, which can obtain maximum voltage gain at any given modulation index without producing any low-frequency ripple that is related to the output frequency and minimize the voltage stress at the same time. Thus, the Z-network requirement will be independent of the output frequency and determined only by the switching frequency. The relationship of voltage gain to modulation index is analyzed in detail and verified by simulation and experiments.
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