Products & Services
Auto Transformer
Auto Transformer /自耦变压器
Auto transformers are always with a common winding in which primary and secondary are not galvanically /electrically separated. This kind of transformer is preference as an economical solution as step up or step down the voltage is needed; or applied in some devices like speed control of ventilation fans and soft start of larger 3-phase motors etc,.
This auto transformer construction is considerable lighter and smaller than a similar isolating transformers. Unionpower provides auto transformers with power range from 100VA to 10KVA for both toroidal auto transformer and single & three phase auto transformer