66kV 630～63000kVA三相双绕组无励磁调压电力变压器性能参数表
Technical Data Table of Three-phase Two-winding Off-circuit Tap Changing Power Transformers
66kV 6300～63000kVA三相双绕组有载调压电力变压器性能参数表
Technical Data Table of Three-phase Two -winding On-load Tap Changing Power Transformers
