Outdoor switchgear and control gear – SCG
up to 10 kV
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Description
Outdoor switchgear and control gear (SCG) are designed for operation in 3-phase 50 Hz and 60 Hz, 6 kV and 10 kV rated AC voltage electric installations for a system with a neutral insulated or earthed via arc suppression coil, in moderate (N) and moderate cold (NF) climate, placement category 1 according to GOST 15150.
Specifications
| Parameter designation | Parameter value |
|---|---|
| High-voltage (HV) side rated voltage, kV | 6; 10 |
| High-voltage (HV) side maximum operating voltage, kV | 7,2; 12 |
| Rated current of main circuits, A | 630; 1000; 1600; 2000; 2500; 3150 |
| Rated breaking current of the chamber SUM with vacuum circuit breaker, kA | 20; 31,5 |
| Peak withstand current of cells with vacuum circuit breaker, kA | 32; 51, 64 |
| Rated voltage of auxiliary circuits, V: – AC and DC protection, control and alarm circuits – voltage measuring transformers circuits – lighting | 220 100 36 |
Symbol structure
SCG is a switchgear and control gear manufactured by Chelyabinsk Electric Equipment Plant LLC
O – outdoor installation
Modification: Not specified as per data sheet; Irtyash
Rated voltage, kV
Classification of lead-out on incoming line side:
- C - cable
- O – overhead
Classification of lead-out on outgoing line side:
- C - cable
- O – overhead
Rated current, A (630; 1000; 1600; 2000; 2500; 3150)
Climatic modification and placement category according to GOST15150-69
Design classification
| SUM classification attributes | Design |
|---|---|
| Insulation level according to GOST 1516.3 | Normal, level "b" |
| Insulation type | Air insulation |
| Busbar insulation | With non-insulated buses With insulated buses |
| In term of presence of draw-out elements | With draw-out elements; Without draw-out elements |
| In terms of servicing conditions | With bilateral maintenance; With unilateral maintenance |
| In terms of installation method | For indoor installation in electrical equipment rooms; For outdoor installation |
| In terms of climatic modifications and placement category | Placement category 3, climatic modification N according to GOST 15150, GOST 15543.1 |
Overall dimensions
Overall dimensions
Electric schematic diagram