... reliability 3)CTQC,ISO9001,ISO14001,CE SFZ11-50000KVA/132KV Power transformer with OLTC •Main Function And Features 220kv 110kv and 66kv low ... is short, losses and noise level is low;02) Comples wire is adopted for winding so losses are low and have ... standards and ISO quality management system .SFZ11-50000KVA/132KV Power transformer with OLTC Main Technical Parameters for three-phase two winding on ...