Rated voltage 3v.Dc 是什么意思

Rated voltage 3v.Dc 是什么意思 Rated voltage:AC 110V/120V/220V/230V/240V version optional. Rated Power Frequency Withstand Voltage是什么意思 英文电机题,求指导!A 50hp,250v dc shunt motor has an armature resistance of 0.06ohm and a field winding resistance of 50ohm.The no-load speed at rated voltage is 1200rpm.Neglecting armature reaction,what will be the speed of the motor when its 格力空调窗机铭牌上的cooling power input和cooling rated input 以下是铭牌参数：WINDOW TYPE AIR CONDITIONERmodel GJCM18A4TK1KArated voltage 220-240V~rated frequency 50Hzclimate type T3comp.LRA 52Acooling capacity 4500Wcooling power 请问operating和 operational 有什么区别.比如 Rated operating voltage Rated operational current 英语翻译one voltage free normally open sensing contact of rating 48V DC 3amps,wired from fire alarm panel to elevator shafts at ground floor 英语翻译上面铭牌同时有：rated line voltage 345kVqualification voltage 46kV 英语翻译Charge device with 300% of rated voltage for Dielectric Strength No breakdown or visual defects 1-5 seconds,w/charge and discharge current limited to 50 mA (max) Note:Charge device with 150% of rated voltage for 500V devices. STC是什么?关于太阳能电池的如：STC open-circuit voltage(include tolerance),(v)minimum STC rated power,(W)Stc short-circuit current(include tolerance),(A)上面的STC是什么意思? rated voltage和nominal voltage有什么区别?我确定肯定是有区别的,请知道的人赐教! 英语翻译电力变压器类的一些技术要求!看看!Rated Power -----------------------------High Voltage (HV)TAPS ATLow Voltage (no load) (LV1)Rated FrequencyInsulating Class (HV / LV)BIL (HV / LV)Power Frequency Voltage Withstand (HV / LV)Ma voltage 英语翻译Where a built-in arrester is provided (suffix code:/A),the voltage for the insulation resistance test must be 100V DC or lower,and the voltage for the withstand voltage test must be 100V AC or lower.Failure to heed these guidelines may ca 电子镇流器上这个参数 rated voltage ：21－36VDC,难道不能接220V的吗?我接了220V电源,结果烧了镇流器,砰的炸了一样……应该不是火线零线的缘故吧? 二极管英文参数反译MAXIMUM RMS Voltage 和 Maximum DC blocking voltage 电力电子 阻断电压 反向电压某整流桥IC参数为：Vrrm=repetitive peak reverse voltage=400V（反向重复峰值电压）Vdc=DC blocking voltage=400V（直流反响阻断电压）具体什么概念? 电器上标有DC 3-5V