Powertransformers with copper windings, oil-immersed natural cooling (ONAN), three-phases, 50 Hz, 2000 to 10000 kVA and up to insulation class 110 N— 1 стр.
Powertransformers with off circuit tap-changer resp. on load tap changer; main dimensions and accessories, 2000 to 10000 kVA and up to insulation class 110 N— 4 стр.
Transformers; three-phase oil immersed type power transformers with off-circuit tapchanger or with on-load tap-changer 2000 to 10000 kVA for 50 Hz and U<(Index)m> up to 123 kV; characteristics— 3 стр.
Transformers; three-phase oil immersed type power transformers with off-circuit tapchanger or with on-load tap-changer 2000 to 10000 kVA for 50 Hz and U<(Index)m> up to 123 kV; characteristics— 3 стр.
Powertransformers with off circuit tap-changer resp. on load tap changer; main dimensions and accessories, 2000 to 10000 kVA and up to insulation class 110 N— 4 стр.
