B105
Gas-Insulated Substations up to 245 kV
GE's B105 GIS is a compact, field-proven solution with high availability that meets the challenges of networks up to 245 kV for power generation, transmission, distribution, tertiary and heavy industry applications. The B105 is available in several ratings:
- 245 kV, 50/63 kA, 3150/4000 A
The B105 is environmentally friendly and features one of the lowest gas weights on the market along with an advanced SF6 sealing system. Full digital monitoring control and protection capabilities enable the B105 to be readily integrated into the smart grid.
B105
Gas-Insulated Substations up to 245 kV
GE's B105 GIS is a compact, field-proven solution with high availability that meets the challenges of networks up to 245 kV for power generation, transmission, distribution, tertiary and heavy industry applications. The B105 is available in several ratings:
- 245 kV, 50/63 kA, 3150/4000 A
The B105 is environmentally friendly and features one of the lowest gas weights on the market along with an advanced SF6 sealing system. Full digital monitoring control and protection capabilities enable the B105 to be readily integrated into the smart grid.
Customer Benefits
Main Characteristics
Environment friendliness
- Low gas weight
- Advanced SF6 sealing system
- Smart grid features including full-digital monitoring, control and protection
High availability
- One of the best experiences and high data reliability
- Current transformers outside SF6
- Pure-spring circuit breaker drives
- State-of-the-art maintenance isolating device: major repair and HV tests with no more than 1 bay down
- Drives and accessories at easy reach
Low costs of land and civil works
- One of the most compact GIS with single-phase enclosures only: bay footprint up to 50% below market average depending on kV rating
- Complete bays assembled, wired, tested and shipped
- Light and small single-phase components, easy to handle
Specifications
| General ratings | |||||
| Reference electrotechnical standards | IEC/IEEE/GB | ||||
| Voltages | up to 245 kV | ||||
| Withstand voltages | |||||
| - Short-duration power-frequency, phase-to-earth / across isolating distance | 460/530 kV | ||||
| - Lightning impulse, phase-to-earth / across isolating distance | 1050/1200 kVp | ||||
| Frequency | 50/60 Hz | ||||
| Continuous current | 3150/4000 A | ||||
| Short-time withstand current | 50/63 kA | ||||
| Peak withstand current | 135/170 kAp | ||||
| Duration of short-circuit | 3s | ||||
| Installation | Indoor/outdoor | ||||
| Ambient temperature range | down to -25 / up to +55 °C | ||||
| Circuit-breaker ratings | |||||
| First-pole-to-clear factor | 1.3-1.5 | ||||
| Short-circuit breaking current | 50/63 kA | ||||
| Short-circuit making current | 135/170 kAp | ||||
| Operating sequence | O-0.3s-CO-3 min-CO/CO-15s-CO | ||||
| Drive type (three-phase or single-phase) | Pure-spring | ||||
| Breaking time | <50 ms | ||||
| Closing time | <100 ms | ||||
| Mechanical endurance | M2 class | ||||
| Capacitive switching | C2 class | ||||
| Disconnector and low-speed earthing switch ratings | |||||
| Capacitive current switching | 0.25 A | ||||
| Bus-transfer current switching capability | 1600 A / 20 V | ||||
| Mechanical endurance | M2 class | ||||
| Make-proof earthing switch ratings | |||||
| Making current capability | 135/170 kAp | ||||
| Switching capability - electromagnetic coupling | 80 A / 2 kV | ||||
| Switching capability - electrostatic coupling | 3 A / 12 kV | ||||
| Mechanical endurance | M1 class | ||||
Recommended Products & services
Gas-Insulated Lines
GE's Gas-Insulated lines (GIL) and Gas-Insulated Busbars (GIB) are field-proven to meet th
View More
T155
GE's T155 GIS is a field-proven solution with high availability that meets the challenges
View More
B65
GE's B65 GIS is a field-proven solution with high availability that meets the challenges o
View More