... 1.Capacity:30KVA~35000KVA for step up and step down 2.three phases three phases step up/step down transformerThe step up transformer feature low loss, low noise ... Group: Dyn11, Yyn0, yd11, Ynd11(Or as customer requirement) Impedance Voltage (%): 6%, 7%, 8%, 10%(Or as customer requirement) Rated ... voltage: H. V.: 66, 38.5, 33, 20 KV (Or as ...