开关电源把直流电源或交流电源通过它可以获得一个稳定的直流电压源。
Switching power supply or DC power to AC power through it will be a stable DC voltage source.
在连接交流电源之前，请验证交流电压、相位和频率是否与控制装置外壳门参数板上的相应数据相同。
Verify ac line voltage phase and frequency with the controller data plate on the enclosure door prior to connecting ac power.
介绍了用于电压继电器动作特性测试的可程控交流电源。
A programmable power supply which tests action characteristic of voltage relay is presented.
此标准的设计目的是：降低敏感设备对来自交流电源的电涌及长时延过电压的敏感性。
This standard was designed to reduce the susceptibility of their sensitive equipment to AC power line transients and long duration overvoltages.
当市电断路时，工作于电压控制模式，提供稳定的交流电源输出。
While the unity power is failed, the power conditioner works in voltage-controlled mode so as to output AC voltage.
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.
66200系列数位式功率表是用来量测单相交流电源的功率及其他电压电流参数，适用于大部份的电机电器产品。
Chroma's 66200 Series Digital Power Meter is designed for single-phase measurements of AC power signals and related parameters common to most electronic products.
66200系列数位式功率表是用来量测单相交流电源的功率及其他电压电流参数，适用于大部份的电机电器产品。
Chroma's 66200 Series Digital Power Meter is designed for single-phase measurements of AC power signals and related parameters common to most electronic products.
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