Single-phase enclosure SF6 GIS (362-800kV)

Ratings Specification :

Ratings (Based on IEC 517)

  Rated voltage (kV)
362 420 525 765
Insulation level (kV)
Lightning impulse withstand voltage
Power frequency withstand voltage
1175 1300 1425 1800
950 1050 1175 1425
Circuit Breaker
Type
Rated current (A)
Rated short-time current (kA)
Rated interrupting current (kA)
Rated interrupting time (cycles)
Operating mechanism
Single-pressure puffer
2000/3150/4000/6300
31.5/40/50/63
31.5/40/50/63
2/3
Pneumatic Hydraulic
Disconnector
(isolator)1
Type
Rated current (A)
Rated short-time current (kA)
Operating mechanism
Linear Break
2000/3150/4000/6300
31.5/40/50/63
Manual, motor or pnumatic
Earthing switch
Type
Rated short-time current (kA)
Operating mechanism
Linear Break
31.5/40/50/63
Manual, motor-charged spring, or pneumatic
Voltage (potential)1
transformer
Type
Rated primary voltage (kV)
Rated secondary voltage (V)
Wound or capacitive
362/Ö3 420/Ö3 525/Ö3 765/Ö3
110/Ö3 | 115/Ö3 | 120/Ö3 | 200/Ö3
Current
transformer
Type
Rated primary current (A)
Rated secondary current (A)
Troidal (ring) core
600/750/1000/1250/1500/2000/2500/3000/4000/6000
1/5
Surge arrester
Type
Rated voltage (kV)2
Rated discharge current (kA)
Metal Oxide
288/360 336/372 396/468 588/612
10
Busbar
Enclosure
Rated current (A)
Rated short-time current (kA)
Three-phase or single-phase
2000/3150/4000/6300
31.5/40/50/63

Notes :

  1. Words in parentheses are Mitsubishi Eletric's standard nomenclature, which is used here.
  2. The surge arrester rated voltage should be determined in accordance with the system insulation design.

Ratings (Based on ANSI Standard)

  Rated voltage (kV)
362 550 800
Insulation level (kV)
Lightning impulse withstand voltage
Power frequency withstand voltage
1050 1550 1800
500 740 960
Circuit Breaker
Type
Rated current (A)
Rated short-time current (kA)
Rated interrupting current (kA)
Rated interrupting time (cycles)
Operating mechanism
Single-pressure puffer
2000/3000/4000/5000/6000/8000
31.5/40/50/63
31.5/40/50/63
2/3
Pneumatic Hydraulic
Disconnecting switch
Type
Rated current (A)
Rated short-time current (kA)
Operating mechanism
Linear Break
2000/3000/40005000/6000/8000
31.5/40/50/63
Manual, motor or pneumatic
Ground switch
Type
Rated short-time current (kA)
Operating mechanism
Linear Break
31.5/40/50/63
Manual, motor-charged spring, or pneumatic
Busbar
Enclosure
Rated current (A)
Rated short-time current (kA)
Three-phase or single-phase
2000/3000/4000/5000/6000/8000
31.5/40/50/63
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