Over current protection, negative current protection, zero sequence current protection, over time of start protection and low voltage protection is configured in the device.
本装置配有过流保护、负序电流保护、零序电路保护、起动时间过长保护、低电压保护。
The schematics includes four parts: bandgap reference voltage and reference current, 2.7V and 1.8V regulator, over-load protection , Low Battery Detection (LBD) .
其原理包括参考电压电流电路，2.7V及1.8V电压调整电路，过流保护电路以及低压检测电路四个部分。
The over-load protection technology is an indispensable constituent of the low-voltage apparatus intellectualization, ensuring the electric motor and the distribution line safe operation.
过载保护技术是低压电器智能化技术的重要组成部分，是保证电动机、配电线路安全运行的重要技术。
It is analyzed that low voltage 660V power supply has superiorities over that of 380V, such as high power transmission ability, low loss of power and improvement of protection and power quality.
分析了低压660V供电较380V供电的优越性，如提高了线路的输电能力；在电缆长度和截面不变的情况下，其输送功率扩大3倍；
It is analyzed that low voltage 660V power supply has superiorities over that of 380V, such as high power transmission ability, low loss of power and improvement of protection and power quality.
分析了低压660V供电较380V供电的优越性，如提高了线路的输电能力；在电缆长度和截面不变的情况下，其输送功率扩大3倍；
应用推荐