手机精品在线日韩中文字幕,久久久国产成人精品蜜臀Av色欲 ,久久久久亚洲av成人人电影,拍国产真实乱人偷精品,国产三级久久毛毛亚洲精品,久久久亚洲精品无码,精品国产福利在线观看网站,国产黄色在线播放

PRODUCT DESCRIPTION

The motor control adopts the voltage space vector control method, which has large starting torque and high voltage utilization rate.

The load switching adopts the no-load switching method, which reduces the current impact and prolongs the service life of the contactor.

The output is a pure sine waveform with lower harmonic content, which is beneficial to prolong the service life of the unit motor.

PRODUCT APPLICATION

Mainly used in locomotives SS3, SS4, SS7 series .