ABB DCGear Product Manual page 17

T E C H N I C A L C H A R A C T E R I S T I C S
4.2 Main electrical characteristics
The main electrical characteristics of the DC section
are the follows:
• Service voltage
• Rated voltage
• Insulation voltage
• Level of insulation
- Over-voltage degreed
- Pollution degrees
- Withstand voltage at 50 Hz for 1 min. to
earth and between the poles
- Withstand voltage at 50 Hz for 1 min. across
clearance-inside
- Lightning rated voltage to earth and
between the poles
- Lightning rated voltage across
clearance-inside
• Bus bar currents
• Power supply voltages of the auxiliary circuits
• Degree of protection of Feeder (Cubic/LV
Comp.)
• Degree of protection of VLD panel
4.5 Technical data
Nominal voltage
Rated voltage
Rated insulation voltage
Power frequency withstand voltage (1 min)
Rated service current
Main busbar
Rated short circuit current (main circuit)
Short time withstand for Earthing circuits
Protection degree
Dimensions (WxDxH)
Weight (according to the cub. config.)
Ambient temperature range
Altitude
4.6 Compartments description
The cubicle is composed of three separate
compartments:
• HSCB compartment
• Low voltage compartment
• Rear bus-bar compartment
4.3 Environmental condition
The environmental conditions, refer to the
micro environment in which equipment is
750 V/1500V installed, are:
900 V/1800 V • Type of installation
1800 V/3000 V
according GB/IEC/EN • Operating temperature
OV4 • Storage temperature
PD4 • Altitude above sea level
• Relative humidity
9.2 kV
4.4 Standard reference
11 kV The panels of the present technical description
is designed and built in compliance with the
20 kV following main norms:
• GB/T 25890 "Railway applications" – Fixed
24 kV installations – DC switchgear
up to 6 kA • IEC 61992 "Railway applications" – Fixed
installations – DC switchgear
24±15% Vdc • CEI EN50123 "Railway applications" – Fixed
110±15% Vdc installations – DC switchgear
230±15% Vdc • EN-50526 "Railway applications" – Fixed
installations – D.C. surge arresters and
IP20/IP40 voltage limiting devices
IP40 • EC/TR 61641
• DIN 60439-1
[VDC]
[VDC]
[VDC]
[kV]
[kA]
[kA]
[kA/ms]
[kA]
IP
[mm]
[kg]
[°C]
m
indoor (TPS
equipment room)
-5 °C/+40 °C
-20 °C /+50 °C
below 1200 m
<90%
750
900
1800
6.9
up to 6
up to 6
90/250
50
IP20(Cubic)/IP4X (LV Comp.)
600x1600x2105
~ 500 to 700
-5....+40
<=1200
17
1500
1800
3000
9,2