B65 Gas-insulated Substations 145 kV, 40 kA, 3 150 A GE makes the most of 50 years of experience in design, material selection, development, engineering, manufacturing and servicing of gas-insulated substations. GE's B105 GIS meet the challenges of networks up to 145 kV for all applications: power generation, transmission, distribution, tertiary and heavy industry. Environment Friendliness • First-in-class SFe sealing system Highest Availability • Best experience and reliability data • Current transformers outside SFe • Single-phase enclosures: no phase-to-phase fault • Pure-spring circuit-breaker drives Lowest Costs of Land and Civil Works • Most compact 145 kV GIS with single-phase enclosures Shortest Site Works • Light and small single-phase components, easy to handle Smart Grid Features • Full-digital monitoring, control and protection Key Benefits • Maximum safety • Compact and accessible • Field-proven reliability • Low total cost of ownership • Smart Grid ready • Low environmental impact

Double Busbar Bay width: 1 200 mm Also available: • Other single-line diagrams • Standalone control cubicles • Specific layouts

Single Busbar with Longitudinal Disconnectors • 1400 -• 3900 -600• 5900 • Line bay with cable connection

General Ratings Reference electrotechnical standards Voltage kV Withstand voltages Short-duration power-frequency, phase-to-earth / across isolating distance kV Lightning impulse, phase-to-earth / across isolating distance kVp Frequency Hz Continuous current A Short-time withstand current kA Peak withstand current kAp Duration of short-circuit s Installation Ambient temperature range °C Circuit-Breaker Ratings First-pole-to-clear factor Short-circuit breaking current Short-circuit making current Operating sequence Drive type (three-phase or single-phase) Breaking...