Power Transmission Equipment

Focus on the development of AC transformer and DC transformer series equipment. AC transformer products: generator transformer, power transformer for power grid, distribution transformer for urban and rural grid (dry distribution transformer, oil-immersed distribution transformer), traction transformer for rail transit, special transformer for industrial metallurgy (furnace transformer, rectifier transformer), etc. DC transformer products: converter transformer. Reactor: Focus on the development of AC shunt reactor and DC smoothing reactor series equipment.  

We focus on the research and development and manufacturing of medium and low voltage complete switch products, mainly providing air insulated switchgear, gas insulated switchgear, gas insulated ring main unit, solid insulated ring main unit, indoor vacuum circuit breakers, arc extinguishing chambers and other switch components, outdoor circuit breaker equipment, etc.

We focus on the research and development of electric porcelain/composite insulators and bushings of voltage levels of 1100 kV (±1 100 kV) and below. We mainly provide: AC rod-shaped post porcelain insulators and suspension/post composite insulators; DC rod-shaped post porcelain insulators and rod-shaped suspension composite insulators; hollow porcelain insulators/composite insulators for various electrical equipment in power stations; AC and DC bushings for transformers and reactors; various electrical equipment outlet bushings and wall bushings, etc.

We focus on the research and development of electric porcelain/composite insulators and bushings of voltage levels of 1100 kV (±1 100 kV) and below. We mainly provide: AC rod-shaped post porcelain insulators and suspension/post composite insulators; DC rod-shaped post porcelain insulators and rod-shaped suspension composite insulators; hollow porcelain insulators/composite insulators for various electrical equipment in power stations; AC and DC bushings for transformers and reactors; various electrical equipment outlet bushings and wall bushings, etc.

We focus on the research and development of 35-1 000 kV porcelain-coated gapless metal oxide arresters; 6-800 kV composite-coated gapless metal oxide arresters; 66-1000 kV GIS gapless metal oxide arresters; 35-750 kV line-type composite-coated series-gap metal oxide arresters; complete sets of arresters for ±50-±1100 kV DC transmission projects; gapless metal oxide arresters for railway electrification; and counters and monitors for arresters.

We focus on the research and development of 35-1 000 kV porcelain-coated gapless metal oxide arresters; 6-800 kV composite-coated gapless metal oxide arresters; 66-1000 kV GIS gapless metal oxide arresters; 35-750 kV line-type composite-coated series-gap metal oxide arresters; complete sets of arresters for ±50-±1100 kV DC transmission projects; gapless metal oxide arresters for railway electrification; and counters and monitors for arresters.

We focus on the research and development of electric porcelain/composite insulators and bushings of voltage levels of 1100 kV (±1 100 kV) and below. We mainly provide: AC rod-shaped post porcelain insulators and suspension/post composite insulators; DC rod-shaped post porcelain insulators and rod-shaped suspension composite insulators; hollow porcelain insulators/composite insulators for various electrical equipment in power stations; AC and DC bushings for transformers and reactors; various electrical equipment outlet bushings and wall bushings, etc.

We focus on the research and development of 35-1 000 kV porcelain-coated gapless metal oxide arresters; 6-800 kV composite-coated gapless metal oxide arresters; 66-1000 kV GIS gapless metal oxide arresters; 35-750 kV line-type composite-coated series-gap metal oxide arresters; complete sets of arresters for ±50-±1100 kV DC transmission projects; gapless metal oxide arresters for railway electrification; and counters and monitors for arresters.

We focus on the research and development of SF6 current transformers, oil-immersed current transformers (inverted and upright), electronic current transformers, voltage transformers, electronic voltage transformers, capacitive voltage transformers and other equipment.

Focus on the development of 6~1000 kV shunt capacitors and their complete sets, filter capacitors and their complete sets, series capacitors, coupling capacitors, voltage-equalizing capacitors for high-voltage circuit breakers, pulse capacitors, high-voltage standard capacitors and other equipment.

Focus on the development of 40.5~1100 kV combined electrical appliances, circuit breakers, disconnectors, pipeline busbars, generator protection circuit breakers, DC field switches, and composite and combined switchgear.