Closed-loop Elimination of Low-order Sideband Harmonics in Parallel-Connected Low-Pulse Ratio VSIs

Tao Xu, Feng Gao, Xiongfei Wang, Tianqu Hao, Dongsheng Yang, Frede Blaabjerg

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Abstrakt

This paper proposes a closed-loop pulse width modulation (PWM) carrier phase shifting method for eliminating the low-order sideband harmonics in parallel-connected low-pulse ratio VSIs. A current sensor is added to measure the THD of total current to adjust the PWM carrier phase of inverters with closed-loop control. First, the low-order sideband harmonics caused by the multiple modulation references are analyzed. Then, the basic idea and the realization of the closed-loop PWM carrier phase shifting method are discussed. Finally, simulations and experimental results verified the proposed method.
OriginalsprogEngelsk
TitelProceedings of the IEEE Energy Conversion Congress and Exposition (ECCE 2018)
Antal sider7
UdgivelsesstedUSA
ForlagIEEE Press
Publikationsdatosep. 2018
Sider2271 - 2277
ISBN (Trykt)978-1-4799-7313-2
ISBN (Elektronisk)978-1-4799-7312-5
DOI
StatusUdgivet - sep. 2018
BegivenhedIEEE Energy Conversion Congress & Exposition ECCE 2018 - Portland, USA
Varighed: 23 sep. 201827 sep. 2018
http://www.ieee-ecce.org/2018/

Konference

KonferenceIEEE Energy Conversion Congress & Exposition ECCE 2018
LandUSA
ByPortland
Periode23/09/201827/09/2018
Internetadresse

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