AM SGB: Cast Resin Transformer

Description

TECHNICAL SPECIFICATIONS

Type: Three Phase Cast Resin Transformer
Material of HV winding: Aluminium/copper
Material of LV winding: Aluminium/copper
Cooling: An
Frequency: 50 Hz
Phases: 3
Max. installation height: < 1000 m above sea level
Highest voltage of equipment Um HV: 7,2 kV 12 kV 17,5 kV 24 kV 36 kV
Power frequency withstand voltage: 20 kV 28 kV 38 kV 50 kV 70 kV
Impulse withstand voltage (peak): 40 or 60 kV 60 or 75 kV 75 or 95 kV 95 or 125 kV 145 or 170 kV
Highest voltage of equipment Um LV: 1,1 kV
Power frequency withstand voltage: 3 kV
Environmental, climate and fire class: E1 on request E2; C2; F1
Max. ambient temperature: 20°C yearly average / 30°C daily average / 40°C max. ambient temperature
Winding temperature rise: 100 K
Connection group: Dyn 5
Tappings (HV side): ± 2 x 2,5 %, ± 5 %
Insulation class: F
Requirements / standards: IEC 60076-11 for dry-type transformers with high voltage for equipment up to and including 36 kV
Equipment and accessories: 2 PTC sensors per phase for alarm and trip, lifting lugs, earthing terminal, rating plate, carriage with rollers for bi-directional movement, tappings reconnectable by links, coating of core and clamping bar: RAL5013