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Box-type substation

A box-type substation and box body technology, which is applied in distribution substations, substation/switch layout details, electrical components, etc., can solve the problems of large footprint, achieve floor space saving, easy temperature control, and increase heat dissipation area Effect

Pending Publication Date: 2019-08-27
ZHEJIANG JUBANG ELECTRICAL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the existing box-type substations powered by low-voltage double-circuit power supply, due to their large size and large footprint, with the increase of urban power generation capacity and the increasingly tight land resources, it is necessary to make the box-type substations more miniaturized

Method used

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Embodiment Construction

[0041] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0042] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a box-type substation, and belongs to the technical field of power transformation equipment. The box-type substation comprises a box body, a transformer chamber, a high-voltagechamber and a low-voltage chamber, wherein a three-winding transformer is arranged in the transformer chamber, a first winding of the three-winding transformer is electrically with a high-voltage outgoing line cabinet in the high-voltage chamber, a second winding is electrically connected with a first busbar in the low-voltage chamber by an I-segment bus, and a third winding is electrically connected with a second busbar in the low-voltage chamber by an II-segment bus. In the box-type substation, the three-winding transformer outputs two types of voltages, the two types of voltages are respectively connected with the two busbars, the function of an existing box-type substation is achieved, moreover, the different voltage requirements of a secondary side also can be met, and the occupancy area of the box-type substation can be saved after two original transformers are replaced.

Description

technical field [0001] The invention relates to the technical field of power transformation equipment, in particular to a box-type substation. Background technique [0002] Box-type substation, also known as prefabricated substation, is a compact complete set that combines high-voltage switchgear, distribution transformer, low-voltage switchgear, electric energy metering equipment and reactive power compensation device in a box according to a certain wiring scheme. power distribution unit. [0003] The internal structure of the box-type substation is generally in the shape of "目" or "品", which divides high, low voltage and transformers into three independent spaces, and each space has independent natural ventilation and indoor lighting. Existing box-type substations are generally powered by low-voltage double-circuit power sources, such as figure 2 As shown, there are two high-voltage outgoing line cabinets, two transformers, two low-voltage incoming line cabinets, two cap...

Claims

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Application Information

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IPC IPC(8): H02B7/06H02B1/48H02B1/21
CPCH02B7/06H02B1/48H02B1/21
Inventor 侯范武杨嘉王怀平林允缪汤方乐顾静娴胡云飞
Owner ZHEJIANG JUBANG ELECTRICAL