1. 分析了PWM双桥叠加,交流斩波和串联等三种变频交流电压调节电路,介绍了基于变频技术的调压应用。
This paper analyzes PWM double-bridge superposition regulator, AC chopping regulator and series voltage regulator, and introduces the application of AC voltage regulating based on VF technologies.

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2. 本文以降压电路设计为应用典例子,介绍了MC 34063做为斩波型开关电源的设计计算方法。并经过实验结果证明该设计计算的切实可行性。
The paper describes a typical design of buck circuit on MC34063 and proves that the design method is correct as result of experiments.

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3. 提出了一种由斩波电路与全桥逆变电路构成的电压大功率晶闸管全桥逆变主电路。
A voltage type high power invert circuit which is composed of chopper and thyristor full bridge invertor is proposed.

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4. 本文介绍了北京地铁DK9电动客车采用两重两相斩波调压的设计特点和性能试验。
This article introduces the design feature and performance test of DK9 motor coach with two-phase-double-circuits in Beijin Underground.

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5. 文章简单介绍了CTL8电机车主要电气部件,着重分析了双控调速电路及工作原理。
Main electric Components of CTL8 Electrical locomotive are introduced, chopping regulating speed circuit and its Operating Principle are emphatically analyzed.

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6. 文章简单介绍了CTL8电机车主要电气部件,着重分析了双控调速电路及工作原理。
Main electric Components of CTL8 Electrical locomotive are introduced, chopping regulating speed circuit and its Operating Principle are emphatically analyzed.

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