1) undervoltage
欠电压
1.
Undervoltage on Line and Equipment and Their Protection;
线路和设备的欠电压与保护
2.
Review neutral line potential shift protecto,rdepict mostly index of power frequency overvoltage 、 undervoltage and electric surge protection.
通过对中性线电位偏移保护器的回顾,简述了中性线电位保护器的设计思想和工频过、欠电压保护的主要指标。
2) under voltage
欠电压
1.
The voltmeter detect the fluctuation of voltage and frequency and measures the real time true-rms voltage,it can records the data when over voltage or under voltage and over frequency or under frequency occurs,and we present the data by tabulation to analysis the reason of accident expediently,at the same time it also can be carried out with a PC serial communications.
该电压监测装置核心采用Mircochip公司的PIC18F458单片机,可以实时地测量当前船舶电网电压的真有效值,并可以在发生过电压、欠电压,过频率、欠频率时进行数据记录,记录的结果以列表形式给出,以便分析事故原因。
3) Line under-voltage
电源欠压
4) over or under bias-voltage mode
过、欠电压型
5) under voltage tripping
欠电压跳闸
补充资料：标准操作冲击电压波形(见冲击电压发生器)
标准操作冲击电压波形(见冲击电压发生器)
standard switching impulse voltage waveform
b .oozhun CooZuo ChongJld，onyo boxlng标准操作冲击电压波形(standard switchingimpulse voltage waveform)见冲击电压发生器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条