Three level rectifier versus three level inverter with DTC controlled induction motor

被引:0
|
作者
Brando, G [1 ]
Del Pizzo, A [1 ]
Rizzo, R [1 ]
机构
[1] Univ Naples Federico II, Dept Elect Engn, Naples, Italy
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A three level NPC-rectifier versus three level NPC-inverter with Direct Torque Controlled asynchronous motor is examined. Three level inverters have the problem of the de-link voltage balance, especially if DTC control is considered. To reduce the problem both dc voltage and the potential of its middle point are controlled through a three level V.S.R. An appropriate feedback control is proposed to make the V.S.R. able to impose in the network nearly sinusoidal currents with unity power factor. The proposed control scheme is verified by means of simulations under significant conditions; the results are presented and discussed.
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页码:1286 / 1290
页数:5
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