Flyer "GIS 8DQ1 420 kV/63 kA/5000 A", englisch (125 kB)

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Gas-insulated switchgear
Type 8DQ1, 420 kV, 63 kA, 5000 A
A new dimension in compactness
economic efficiency
high reliability
M
M
long service life
safe encapsulation
M
very high degree of gas-tightness
low life cycle and maintenance costs
easy access and ergonomic design
high availability
M
M
reliable operation even under extreme
environmental conditions
environment-compatible design
Answers for energy.
Technical data
Switchgear type
Rated voltage
8DQ1
up to
420 kV
Rated frequency
50/60 Hz
Rated power frequency withstand voltage (1 min)
650 kV
Rated lightning impulse withstand voltage (1.2/50 µs)
1,425 kV
Rated switching impulse withstand voltage (250/2500 µs)
1,050 kV
Rated normal current busbar
up to
5,000 A
Rated normal current feeder
up to
5,000 A
Rated short-circuit breaking current / break time
up to
63 kA / < 2 cycles
Rated peak withstand current
up to
170 kA
Rated short-time withstand current (3 s)
up to
63 kA
Leakage rate per year and gas compartment
≤ 0.5 %
routine test
≤ 0.1 % type test
Bay width
Bay height, depth
2,200 mm
3,800 mm x 5,800 mm
depending on bay arrangements
Driving mechanism of circuit-breaker
stored-energy spring
Rated operating sequence
O-0.3 s-CO-3 min-CO
CO-15 s-CO
Rated supply voltage
60–250 V DC
Expected lifetime
> 50 years
Ambient temperature range
–30 °C to +40 °C
Standards
IEC/IEEE/GOST
Other values on request
Siemens AG
Energy Sector
Freyeslebenstrasse 1
91058 Erlangen, Germany
Power Transmission Division
Dispo 30002, c4bs-Nr. 7460
Order No. E50001-G630-A228-X-4A00 | Printed in Germany |
fb 5475 PD 470086 WS 03131.0 | © 03.2013, Siemens AG
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