HV nominal voltage: 3 AC 22 kV 50 Hz
LV nominal voltage: 3/PEN AC 420/242 V 50 Hz / TN-C,
Frequency: 50 Hz
Transformer nominal power: to 630 kVA, (custom to 1000 kVA)
HV bus-bars nominal current: regarding HV distributor´s type to 630 A
LV bus-bars nominal current: to 1 000 A, (custom to 1500 A)
HV/LV distributor nominal insulation voltage: 24 kV/1000 V
HV distributor short-time/dynamic current: 16 kA/40 kA
LV distributor short-time/dynamic current: to 30 kA/to 60 kA
LV distributor cover: IP 20
Whole station cover: IP 23D
Cover class: K 20
Empty skeleton weight: cca 13 600 kg
External dimensions (LxWxH): 3 100x2 700x3 247 mm
Environment:
- 3.1.1. basic (within inside the kiosk-type TS room),
- 4.1.1. external ambient, ordinary (outside the TS room )
Exposurez class. trieda:
- internal parts: XC1
- external parts: XC4, XF1, XA1.
Operating conditions:
- ambient temperature –40°C ≤ t ≤ + 40°C
- altitude up to 1 000 MASLm asl.
Note: If the transformer substation is used in different climate and operating conditions, the TS supplier is needed to be consulted.
