欧美一级黄片免费_又色又爽又黄1000部免费视频_亚洲精品综合_人人看,人人爽,在线国产福利,亚洲日韩欧清无码Av一区,年轻人片A片,色男人影院,欧美黄片一级片,精品国产男人的天堂久久,日日爱av

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 .