Generator circuit-breaker switchgear (GCB) with vacuum switching technology provides numerous advantages, independently of the type of power plant. Due to the use of tested and durable components with a service life of more than 20 years, a high level of operating reliability and availability is achieved that leads to increased profitability. The maintenance-free vacuum switching technology and components in the generator switchgear guarantee minimum maintenance costs.
Siemens generator switchgear with vacuum switching technology are the result of more than 20 years of continuous development. Our customers profit from an excellent quality of our switchgear and more than 40 years of experience in vacuum switching technology.
The advantages for your power plant are:
Horizontal Busbar (HB1)
The HB1 generator switchgear with horizontal busbar is well suited for power plants up to 170 MW depending on type of power plant and rated voltage.
Horizontal Busbar (HB3)
The HB3 generator switchgear is suitable for power plants up to 400 MW depending on the power plant type and operating voltage.
Vertical Busbar (VB1)
The VB1 generator switchgear is the highly flexible solution with modular extendable scope for power plant generating units up to 140 MW.
Vertical Busbar Drawable (VB1-D)
The VB1-D generator switchgear with truck-type design is modular extendable and suitable for power plant generating units up to 110 MW.
Highly Integrated Generator Switchgear (HIGS)
The highly integrated generator switchgear (HIGS) is an especially developed generator breaker switchgear for Siemens turbines SGT600 to SGT800 in the power range up to 65 MW.
NXAIR 50 kA
The NXAIR switchgear is extendable medium voltage switchgear equipped with a withdrawable IEEE C37.013 type tested generator circuit-breaker suitable for generator applications in industrial power plants up to 65 MW.
The GM-SG switchgear is the Siemens generator switchgear for the ANSI/IEEE market and available for generator applications up to 65 MW. It is equipped with IEEE C37.013 type tested vacuum generator circuit-breakers.