SF6 gas-insulated switchgear ZF27-800

high-voltageindustrialfor electrical networks

The ZF27-800(L) gas-insulated metal-enclosed switchgear is an 800kV-level GIS product independently developed by our company to expand product types, meet the national 750kV grid construction needs, and target the 750kV transmission project in Northwest China. It possesses independent intellectual property rights and fills the domestic gap in 800kVGIS. The main components include circuit breakers, current transformers, isolating switches, grounding switches, main busbars, incoming and outgoing bushings, and assembly control cabinets, which can be combined according to user requirements for different wiring methods. The circuit breaker of this product features a dual-disconnect structure, and is driven by a high-power hydraulic operating mechanism for opening, closing, and automatic reclosing. The product has a high insulation level, meeting the high-end requirements of national and industry standards; Strong current capacity, rated current up to 6000A; The circuit breaker arc chamber adopts a dual-cut design, offering excellent switching performance, short-term current resistance of 63kA, a cumulative number of breaks under rated short-circuit breaking current of 16, and a DC component attenuation time constant of 120ms; The machinery is highly reliable, with a lifespan of up to 10,000 cycles.