ARCPI resonant snubber for the neutral-point-clamped inverter

被引：34

作者：

Yuan, XM ^{[1
]}

Orglmeister, G

Barbi, I

机构：

[1] Swiss Fed Inst Technol, ETH Zentrum, Power Elect & Electrometrol Lab, ETL, CH-8092 Zurich, Switzerland

[2] Univ Fed Santa Catarina, Power Elect Inst, BR-88040970 Florianopolis, SC, Brazil

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2000年 / 36卷 / 02期

关键词：

auxiliary resonant commutated pole inverter; neutral-point-clamped inverter; snubber; soft switching;

D O I：

10.1109/28.833777

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This paper reports a resonant snubber for the neutral-point-clamped (NPC) inverter using the auxiliary resonant commutated pole inverter (ARCPI) technique. The proposal guarantees zero-voltage switching of the main switches and zero-current switching of the auxiliary switches without incurring any voltage or current spikes across or through the main switches and without being subjected to any modulation constraints. The operation principle of the ARCPI NPC inverter is illustrated. A simple method dealing with the static overvoltage problem of the inner switches is described. Commutation durations and current stresses in the basic ARCPI circuit are analyzed. The results enable mathematical understanding and practical designing of the basic ARCPI circuit, In particular, the self-balancing quality and controlling possibility of the de center potential in the basic ARCPI circuit are investigated, The proposal is verified by a 3-kW half-bridge ARCPI NPC inverter laboratory prototype.

引用

页码：586 / 595

页数：10

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