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Box-type substation

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12–40.5 kV Prefabricated Cabin-Type Substation

The 12–40.5 kV prefabricated container-type substation is a new product developed by Tian’an Electric in line with the State Grid’s core principles of “standardized design, modular assembly, factory prefabrication, and streamlined construction,” with the objectives of “minimal land footprint, cost efficiency, high reliability, and rapid construction.”

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Box-type substation

DFT6-12(40.5) Cable Tap Box

As urban distribution networks undergo continuous renovation and expansion, a large number of overhead lines within cities have been replaced by cable lines, and pole-mounted switches have been superseded by switchgear cabinets. The DFT6-12(40.5) outdoor ring main unit is a new type of power supply equipment designed by Tian’an Electric to support 10 kV (35 kV) cable-based power grids. It is widely used at cable connection points in 10 kV (35 kV) systems for the reception and distribution of electrical energy. Each ring main line in the product is equipped with either a load switch or a vacuum circuit breaker, allowing any individual branch circuit to be independently disconnected or reconnected without affecting the other circuits in the ring network. When a combined electrical solution is employed, if a short-circuit fault occurs in a particular branch circuit, the fuse on that circuit will quickly interrupt the faulty circuit and simultaneously actuate the tripping mechanism of the load switch, causing it to open and isolate the faulted circuit. This ensures uninterrupted power supply to the non-faulty branch circuits.

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Box-type substation

DBW1A-12 Lightbox-Type Underground Prefabricated Substation

The DBW1A-12 light-box-type underground substation is a new substation product independently developed by Tian’an Electric for the renovation of urban distribution networks. It can be used in both ring-network distribution systems and as a radial-grid terminal power supply.

Keywords:

Box-type substation