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Abstract:
准Z源逆变器具有宽范围升压能力,适用于光伏风力等可再生能源发电.从拓扑和调制策略两方面详述了三相电压型准Z源逆变器的发展与现状,并获得了重要结论.其电路拓扑包括基本型、强升压能力改进型、低电压应力改进型和能量存储型4类,其中强升压能力改进型又分为单阻抗网络和级联阻抗网络2类,给出了电压应力、升压能力等特性比较;低电压应力改进型包括三相三电平中点钳位、级联多电平和级联Trans等.调制策略有正弦脉宽调制SPWM(sinusoidal pulse width modulation)、改进空间矢量脉宽调制SVPWM(space vector pulse width modulation)和消除共模漏电流改进脉宽调制PWM(pulse width modulation)3类,给出了调制系数、电压应力特性比较.
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电源学报
ISSN: 2095-2805
CN: 12-1420/TM
Year: 2018
Issue: 4
Volume: 16
Page: 133-142
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 9
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