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High Voltage Eectrical
GW5-126D outdoor AC high voltage isolation switch
GW5-126D outdoor AC high voltage isolation switch
GW5 (GT10)-126D/1600-40 outdoor AC high-voltage isolation switch is a type of GW5-126 switch that Tianan aimed at other companies, which has defects such as large operating force, broken bevel gear teeth, severe corrosion of metal materials, and out of control of the opening position. Developed after major improvements, it is a mature product recommended by the company for high-voltage distribution networks.
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GW4-126D outdoor AC high voltage isolation switch
GW4-126D outdoor AC high voltage isolation switch
GW4-126D double-post horizontal outdoor AC high-voltage isolating switch is suitable for power systems with AC frequency of 50Hz and rated voltage of 110kV, for high-voltage lines to be switched under no-load conditions, and for high-voltage busbars, circuit breakers and other electrical equipment under maintenance It is used for electrical isolation from live high-voltage lines to provide a visible insulation distance that meets the requirements for the equipment to be overhauled and maintenance personnel.
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ZF41B-126/T2500-40 gas insulated metal enclosed switchgear
ZF41B-126/T2500-40 gas insulated metal enclosed switchgear
ZF41B-126 gas-insulated metal-enclosed switchgear (GIS) is a high-tech product developed by Tianan Electric with the introduction of Russian Lenin Institute of Electrical Engineering (VEI) mature technology for localized transformation, and won the first prize of Ningbo Key Industrial New Product. GIS directly connects electrical components such as circuit breakers, isolating switches, grounding switches, transformers, arresters, bus bars, bushings or cable terminals to each other. All components (except bushings) are placed in a grounded metal shell, and the shell is filled with SF6 gas with excellent insulation and arc extinguishing performance. The product adopts technologies such as three-phase common box, three-station isolating switch and all-aluminum alloy shell. It can be used in various power plants and substations in the 126kV AC power system. It has a small footprint, high reliability, short installation period and maintenance. With many advantages such as small workload, it is especially suitable for use in urban substations, corporate substations, hydropower stations and areas with serious pollution.
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GW23-252D outdoor AC high voltage isolating switch
GW23-252D outdoor AC high voltage isolating switch
GW23(GT9)-252D/2500-50 type double column (horizontal fracture) foldable outdoor AC high voltage isolating switch is suitable for AC frequency 50Hz, rated voltage 220kV system, used for high-voltage lines, circuit breakers and other electrical equipment without It can be electrically isolated under load and can also be used for switching operation. It is a mature product recommended by our company for high-voltage power distribution networks. It analyzes the defects of the current isolation switch conductive circuit overheating, operating mechanism failure, and severe corrosion of metal materials. After major improvements, it has been successfully developed. The product has many advantages such as beautiful appearance, simple structure, corrosion resistance, good seismic performance, safe and reliable electrical and mechanical performance.
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LW39-126 outdoor AC high voltage SF6 circuit breaker
LW39-126 outdoor AC high voltage SF6 circuit breaker
LW39-126 outdoor AC high voltage ceramic pole type SF6 circuit breaker can be used in power systems with a frequency of 50Hz and a nominal system voltage of 110kV. It is the main power equipment for control and protection in power plants and substations. The circuit breaker adopts the principle of thermal expansion and self-energy arc extinguishing, and is filled with SF6 gas with excellent arc extinguishing performance and electrical insulation performance. All seals adopt double-ring O-rings, which can effectively prevent gas leakage. It is equipped with a CT30 spring. The operating mechanism realizes three-phase mechanical linkage operation.
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