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
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