Description
由于环流给定的影响,2组可控硅均处于整流状态,输出的电压大小相等、极性相反,直流电机电枢电压为零,电机停转,输出的电流流经2组可控硅形成环流。环流不宜过大,一般限制在电机额定电流的5%左右。正向启动时,随着转速信号Ugn的增大
YASKAWA CIMR-15AS2 REMANUFACTURED CIMR15AS2
STI SAFETY LIGHT CURTAIN SET 36” MS4436R MS4436X
FANUC A16B-1200-0800 USED A16B12000800
ROSEMOUNT PRESSURE TRANSMITTER 3051CD4A52A1AB4C6Q4DF
SONY DISPLAY UNIT LY52 NEW 100-120VAC