Use of quasi-resonance principles with linearization process, in medium-power, high frequency converters-conception rules of corresponding synthetic thyristors

Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting Pub Date : 1990-10-07 DOI:10.1109/IAS.1990.152356

P. Toussaint, C. Sol, F. Forest, J. Gonazalez

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引用次数: 1

Abstract

Two medium-power high-performance power converters for industrial applications that use bipolar transistors and insulated-gate bipolar transistors are described. The first is an isolated 3 kW DC-DC 500 V (380 V rectified and filtered) power supply whose frequency is variable up to 100 kHz. Efficiency is shown to be 94%, and the power-frequency product is 3*10/sup 8/ WHz. The principles developed (switch bidirectionality) allow this converter to work as a quasi-perfect voltage power supply. The second application is a one-phase DC-AC power converter whose power supply is 500 V (380 V mains rectified and filtered). This converter continuously provides 20 kW at a constant frequency of 20 kHz. Its power-frequency product is 4*10/sup 8/ WHz. This converter exhibits a pulse-width modulated mode with a fully controlled resonant switch. Quasi-resonance principles, corresponding switch structures using thyristor functions and the control of the devices which constitute synthetic thyristors are reviewed.<>

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利用准共振原理结合线性化处理，在中功率、高频变换器中构想相应的合成晶闸管规则

介绍了两种采用双极晶体管和绝缘栅双极晶体管的中功率高性能工业功率变换器。第一种是隔离的3kw DC-DC 500 V (380 V整流和滤波)电源，其频率可达100 kHz。效率为94%，工频积为3*10/sup 8/ WHz。所开发的原理(开关双向性)允许该转换器作为准完美的电压电源工作。第二个应用是单相直流-交流电源转换器，其电源为500 V (380 V市电整流和滤波)。该转换器以20khz的恒定频率连续提供20kw。工频乘积为4*10/sup 8/ WHz。该变换器具有脉冲宽度调制模式，具有完全控制的谐振开关。综述了准谐振原理、利用晶闸管功能的相应开关结构以及构成合成晶闸管的器件的控制

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Conference Record of the 1990 IEEE Industry Applications Society Annual Meeting

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