Box-type substation

Abstract

The invention discloses a box-type substation. The box-type substation at least comprises a high-voltage switchgear chamber, a low-voltage switchgear chamber and a transformer chamber, which are distributed in the shape of steps, wherein equipment circuits in the high-voltage switchgear chamber, the low-voltage switchgear chamber and the transformer chamber are M-shaped, U-shaped or V-shaped. The box-type substation is different from the prior art on the aspect that a structure that a plurality of layers are distributed up and down is creatively adopted, so that the size of the box-type substation is 1 to 3 times smaller than that of the traditional substation, the occupation area is reduced, the box-type substation is convenient to transport, and the transportation cost is reduced; a downward foundation of the traditional box-type substation is not required to be manufactured, the difficulty for constructing a project is reduced, the cost is reduced, and adverse influence to each piece of equipment in the box-type substation by humidity in the semi-buried foundation can be better avoided.

Description

technical field [0001] The invention relates to a substation, in particular to a box-type substation, which belongs to the technical field of electrical equipment. Background technique [0002] The box-type substation is a substation that organically combines functions such as high-voltage power receiving, transformer step-down, and low-voltage power distribution, and is installed in a fully enclosed, movable steel structure box. Box-type substation has a series of advantages such as strong complete set, short power transmission cycle, strong environmental adaptability, convenient installation, safe and reliable operation, less investment and quick effect, so box-type substation has been widely used in urban network construction and transformation public power distribution. With the acceleration of the modernization process of municipal construction, the box-type substation will gradually replace the original civil power distribution room and become a new type of complete p...

AI Technical Summary

Problems solved by technology

The semi-buried box-type substation puts the transformer under the ground, so the volume of the box-type substation on the ground is greatly reduced, but because the transformer is placed under the bottom, the predictability of safety accidents is not strong, and the humid underground environment will cause great damage to the equipment. The moisture in the foundation foundation also has a great impact on the equipment, and it is more likely to cause safety accidents in rainy seasons

[0006] 2. Compact box-type substation, this kind of box-type substation mainly reduces its volume and floor area at the same time, and the reduction of floor space is achieved by its volume reduction, but it is still unavoidable to install the foundation

[0019] It is not difficult to see that in order to maintain better heat dissipation performance, the above-mentioned transformers are forced to dissipate heat by external force, while natural heat dissipation is often limited by the structural layout of the box-type substation itself, and cannot form a natural heat dissipation system with good convection. Never having to rely on the above-mentioned forced heat dissipation equipment, the equipment in the box-type substation increases, which leads to an increase in production costs and maintenance difficulties. In addition, the above-mentioned various auxiliary heat dissipation equipment has low environmental versatility, often due to the environment in which the box-type substation is located. Due to the limitation, it cannot play its best heat dissipation effect, what is more, it may not be applicable at all

[0020] To sum up, the current box-type substations on the market have many problems such as large size, inconvenient maintenance, poor natural heat dissipation performance, and poor environmental adaptability, which also restricts the promotion of box-type substations in my country to a certain extent.

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