ABB GSec/T1 Instructions For Installation, Operation And Maintenance

Contents

ABB GSec/T1 Instructions For Installation, Operation And Maintenance Manual pdf 6 page image

6Rated voltage kV 12 17.5 24Power frequency withstand voltage (50/60 Hz, 1 min)- Line to line and line to earth kV 28 38 50- Between open contacts kV 32 45 60Lightning impulse withstand voltage (BIL 1.2/50 μs)- Line to line and line to earth kVp 75 95 125- Between open contacts kVp 85 110 145Rated frequency Hz 50-60 50-60 50-60Rated current (40 °C) A 800 (1) 800 (1) 630Admissible rated short-time withstand current kA 25 (2s) (2) 20 (3s) (2)(3) 16 (3s) - 20 (3s) (2)(3)Making capacity (peak current) kAp 62.5 52.5 40-52.5Breaking capacity- Active load A 800 (1) 800 (1) 630- No-load transformers A 16 16 16- No-load lines A 25 25 25- No-load cables A 50 50 50- Ring circuits A 800 (1) 800 (1) 630Mechanical and electrical performanceElectrical endurance of the line contact class E3 - up to 5 makings and 100 rated current interruptionsElectrical endurance of the earth contact class E2 - up to 5 makingsMechanical endurance of the line contact with operatingmechanism1S – Single springclass M2 – 5000 mechanical operationsMechanical endurance of the line contact with operatingmechanism2S – Double springclass M1 – 1000 mechanical operationsMechanical endurance of the earth contact class M0 – 1000 mechanical operations(1) 630A for GSec/T2(2) 16kA (3s) for GSec/T2(3) For 21kA (3s) please contact ABB5.1. Performance and electrical characteristicsEarthing switch type EF 230Admissible short-time withstand current (3 s): 2 kAShort-time peak current value (3s) 5 kApShort-circuit rated making capacity 5 kApNumber of short-circuit current makes Class E2Earthing switches type ES230 16kAAdmissible short-time withstand current (3 s): 16kA to 24kVShort-time peak current value (3s) 40kA to 24kVShort-circuit rated making capacity 40kA to 24kVNumber of short-circuit current makes Class E2Earthing switches type ES230 21-25kAAdmissible short-time withstand current (3 s): 25kA to 12kV, 21kAto 24kVShort-time peak current value (3s) 62.5 kA to 12 kVShort-circuit rated making capacity 52.5 kA to 24 kVNumber of short-circuit current makes Class E2 line sideClass E2 earth side5. Description