改进型不配整流变压器，将三相交流电源直接由桥式整流获得直流电压。
The modified types will not be equipped with commutation transformer and the three-phase alternating current power supply directly acquires DC voltage through bridge type rectifier.
本系列发电机适用于乡村、城镇、工地、山区及牧区等照明及动力的三相交流电源。
The generators are to be user in town, the countryside, workersites, mountain districts and pasture lands as a electric power source for lighting purpose.
介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。
This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.
介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。
This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.
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