运行结果表明我国斩波调压电动客车已进入实用阶段。
Running results has confirmed that the choppercontrolled motor coach made in China can practically put into service.
本文介绍了北京地铁DK9型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.
分析了PWM双桥叠加型，交流斩波型和串联型等三种变频型交流电压调节电路，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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