Generator Circuit-Breaker Systems HEC 9

Product Brochure
Generator Circuit-Breaker Systems
HEC 9
Technical Data
Generator circuit-breaker system type
HEC 9
General
Rated maximum voltage
kV
Rated frequency
Rated continuous current 50 Hz natural cooled
IPB longitudinal forced air cooling
31.5
Hz
50/60
A rms
up to 28500
A rms
up to 50000
A rms
up to 25500
A rms
up to 50000
to earth and across circuit-breaker/switch contacts
kV rms
80
across isolating distance of disconnector
kV rms
90
to earth and across circuit-breaker/switch contacts
kV peak
150
across isolating distance of disconnector
kV peak
165
kA peak
685
kA, 3s
250
kA peak
685
Rated continuous current 60 Hz natural cooled
IPB longitudinal forced air cooling
Rated insulation level
Rated power frequency withstand voltage
Rated lightning impulse withstand voltage
Circuit-breaker
Rated peak withstand current
Rated short-time withstand current
Rated short-circuit making current
Rated short-circuit breaking current
kA rms
250
Rated operating sequence
CO - 30min - CO
Opening time
ms
Rated interrupting time
ms
26 ± 2
50
Mechanical endurance life
CO
5000
kA peak
685
kA, 3s
250
s
2
kA peak
685
kA, 1s
250
s
2
Disconnector
Rated peak withstand current
Rated short-time withstand current
Operating time
Earthing Switch
Rated peak withstand current
Rated short-time withstand current
Operating time
The above data are not limiting values. Additional data on request. We reserve the right to alter data and technical details without notice.
Equipment Options
1
2
3
4
5
6
7
Generator circuit-breaker
Line disconnect switch
Earthing switch
Surge capacitor
Current transformers
Voltage transformers
Surge arrester
6
G
1
5
4
2 | ABB
6
4
3
2
5
3
4
4
7
Dimension Drawing
HEC 9
1800
1600
2940
Ø1400
450 *)
4810
3560
400 *)
Transformer Side
Generator Side
400 *)
900
N(min. 1850)
N (min. 1850)
900
400 *)
2600 + 2N *)
N = Phase distance
*) min. space required for erection and maintenance
ABB | 3
ABB Switzerland Ltd
High Voltage Products
Brown Boveri Strasse 5
CH-8050 Zurich / Switzerland
Phone: +41 58 588 34 24
Email: [email protected]
www.abb.com/gcb
© Copyright ABB. 1HC0089735 E02 / AA12
Contact us