开关量输出模块是将PLC内部低电压信号转换成驱动外部输出设备的开关信号，并实现PLC内外信号的电气隔离。
Output switch module is a low voltage PLC internal drive external signals into the switching signal output device and to achieve internal and external PLC electrical signal isolation.
位于省会城市的馈线线路(设备)绝不能使用电压调节装置来解决低电压问题。
Feeders located in capital cities must not use voltage Regulators to solve undervoltage problems.
本文阐述了电网低电压运行时对用电设备及电网的危害，以及一些防止措施。
In this paper, the detriment of power grid low voltage operation to electric equipment and power system and some preventive measures are described.
低电压和低电阻的测量通常是对低源内阻的设备和材料进行的。
Low voltage and low resistance measurements are often made on devices and materials with low source impedance.
施耐德电气是世界中低电压电器设备的最大制造商之一。
Schneider Electric is one of the world's largest manufacturers of medium - and low-voltage electronic equipment.
奇胜控制公司是灯光控制和低电压转换设备的专业制造厂商。
Clipsal lighting control Clipsal, a wholly owned business of Schneider is specialized in lighting control and low voltage switching equipment.
本发明提供一种用于在低电压域断电时防止电流泄漏或直流电流的设备和方法。
An apparatus and method are provided for preventing a current leakage or direct current when a low voltage domain is powered down.
随着各种敏感电力电子设备在工业中的广泛应用，诸如短时低电压、短时过电压等电能质量扰动问题已成为近年来各方面关注的焦点。
With the wide application of sensitive power electronic devices in industry, the power quality disturbance problems such as voltage sag and swell become more concerned.
随着各种敏感电力电子设备在工业中的广泛应用，诸如短时低电压、短时过电压等电能质量扰动问题已成为近年来各方面关注的焦点。
With the wide application of sensitive power electronic devices in industry, the power quality disturbance problems such as voltage sag and swell become more concerned.
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