QZB系列自耦变压器适用于交流50HZ，额定电压380V,功率14-500KW的三相鼠龙型感应电动机的不频繁降压起动，以改善电动机起动时对输入电网的影响。
一、概述Summary
SG系列三相干式变压器广泛适用于交流50~60Hz,输入、输出电压不超过1000V的各种三相供电场合。产品的各种输入、和输出的电压的高低、联接组别、调节抽头的多少及位置（一般为±5%）、绕组容量在分配、次级单相绕组的配备、整流电路的运用、是否要求带外壳等，均可根据用户的要求进行精心的设计与制造。
ZSG系列三相干式整流变压器供整流设备、整流后作充电、电压调节及直流电源之用。
SG series three-coherent-type transformers are widely in AC50~60Hz, input、output voltage not exceeding 1000V three-phase power supply a variety of occasions , products, a variety of input and output voltage level , join groups , regulating the number and location of taps (typically±5%）、winding capacity allocation, single-phase secondary winding is equipped with, the use of rectifier circuits, is ask to take shell, etc, can be based on the user's demands meticulous design and manufacture.
ZSG series three-coherent-type rectifier transformer for the rectifier devices, made after charging rectifier, voltage regulator and the DC power supply purposes.