SPO
Knee Type Disconnector up to 1,200 kV
GE’s SPO is a vertical break disconnector with a two-piece arm. In the open position the blade sections fold upon themselves in a vertical plane of only 60% of the longitudinal dimension.
Customer Benefits
- High performance and reliability
- Reduced vertical space requirements
- Contact penetration not affected any eventual site misregulations
- Up to 20 mm (3/4”) ice
- Built-in ground switches and arc restrictors available
- Virtually maintenance free
- Easy start-up and commissioning
SPO
Knee Type Disconnector up to 1,200 kV
GE’s SPO is a vertical break disconnector with a two-piece arm. In the open position the blade sections fold upon themselves in a vertical plane of only 60% of the longitudinal dimension.
Customer Benefits
- High performance and reliability
- Reduced vertical space requirements
- Contact penetration not affected any eventual site misregulations
- Up to 20 mm (3/4”) ice
- Built-in ground switches and arc restrictors available
- Virtually maintenance free
- Easy start-up and commissioning
- Substation crossing structures and wires can be lower and less expensive than conventional vertical break disconnectors
- Low center of gravity for live part provides high performance during earthquakes and faster, smoother and rebound-free operation
- Virtually maintenance free with factory-sealed bearings, life-time greased or self-lubricating parts and corrosion-free materials
Specifications
Technical Data (ANSI)
| Rated Voltage | Rated Current A/ Short time current kA | BIL kV | A inches | B inches | C inches | D inches | E inches | F inches | G inches | H inches |
| 245 kV | 4000/63 | 1050 | 8' 4 1/4" | 9' 10" | 5' 7" | 1' 4 3/4" | 1' 7 3/4" | 1' 1 1/2" | 1' 1 1/2" | 6 3/4" |
| 362 kV | 4,000/63 | 1300 | 9' 9 1/2" | 12' 1 3/4" | 7' 8 1/2" | 1' 11 1/2" | 2' 7 1/2" | 1' 3 3/4" | 2' 7 1/2" | 7 3/4" |
| 550 kV | 4,000/63 | 1800 | 13' 74 1/2" | 17' 6 3/4" | 9' 4 1/2" | 1' 11 1/2" | 3' 3 3/4" | 1' 3 3/4" | 2' 7 1/2" | 7 3/4" |
| 800 kV | 4,000/63 | 2050 | 17' 1 1/4" | 19' 8 1/4" | 12' 7 1/2" | 1' 11 1/2" | 3' 3 3/4" | 1' 3 3/4" | 2' 7 1/2" | 7 3/4" |
Drawings
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SPOL
GE’s SPO is a vertical break disconnector with a two-piece arm. In the open position the
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