三相电压源逆变器前馈开关损耗优化PWM换相律转移策略

IECON '98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.98CH36200) Pub Date : 1998-08-31 DOI:10.1109/IECON.1998.724190

S. Ryvkin, D. Izosimov, S. Belkin

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引用次数: 17

摘要

从开关损耗最小化的角度出发，对广泛应用的三相PWM电压源控制技术进行了研究。解决了两个问题:最小开关损耗换相律的选择;并在选定的对易律之间进行转换。从满足从一种最优开关律转换到另一种最优开关律的要求出发，采用瞬时零输出电压矢量作为最优状态循环的起始点较为可取。实验结果表明，该转移策略是令人满意的。

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Commutation laws transfer strategy for the feedforward switching losses optimal PWM for three-phases voltage source inverter

From the position of switching losses minimisation, the widely used three-phase PWM voltage source control technique is studied. Two problems have been solved: selection of the minimum switching losses commutation law; and transfer between selected commutation laws. From the consideration of fulfilling the requirements for transfers from one optimal switching law to another, it is preferable to use the zero momentary output voltage vector as the initial point of the optimal state cycle. Experimental results of this transfer strategy are presented and are shown to be quite satisfactory.

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IECON '98. Proceedings of the 24th Annual Conference of the IEEE Industrial Electronics Society (Cat. No.98CH36200)

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