The current adjustment modes of OLTC(On-Load Tap-Changer)ar e either mechanical or power electronic,which usually has complicated structure, big size,slow regulative speed and high failure rate.

• 国内外现有的机械式和电力电子式有载调压变压器分接头的调节方式,具有结构复杂、体积大、调节速度慢、故障率高等不足。