Load tap switch is the central contrivance in load - ratio voltage regulation of transformer 有载分接开关是变压器有载调压的主要装置。
Load - ratio voltage regulation of transformer is the voltage regulation , which has larger regulating scope and less investment and higher speed and well effect in power - on conditions 这种调压措施,调压范围大,投资少,效果好,调压范围一般为15及以上。