Description
Key Features:
Voltage Levels:
Primary: 11kV / 33kV
Secondary: 400V / 230V
Power Rating: Typically ranges from 25 kVA to 2500 kVA
Cooling Type:
Oil-immersed (ONAN, ONAF)
Dry-type (for indoor or fire-sensitive applications)
Efficiency: High efficiency with low core and copper losses
Tap Changer: Off-load or on-load tap changer for voltage adjustment
Protection: Fitted with bushings, breathers, Buchholz relay (for oil type),
and temperature indicators
Specifications:
Rated Voltage: 11kV/400V or 33kV/400V
Frequency: 50 Hz
Impedance: Typically 4% to 6%
Cooling Class: ONAN / ONAF / AN
Insulation Class: Class A or F
Standards Compliance: IEC 60076, BIS, ANSI/IEEE
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