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Miniaturized intelligent prefabricated substation
Release Time:2025-08-13      Number of clicks:25

Box-type Substation

Model: ZMXB2 Miniaturized intelligent prefabricated substation

Application:

With the development of modern urban power grid and the strategic goal of State Grid Corporation of China to build a world-class energy Internet enterprise. With the continuous increase of urban electricity consumption and the shortage of land resources, the demand for miniaturization of distribution stations (rooms) and distribution equipment is becoming more and more urgent. In the revision of the typical design of distribution network of State Grid Corporation of China, the miniaturization switch station type has been added, and after optimization, the area of each switch station can be reduced by more than 60% on average. The ZMXB2 series miniaturized intelligent prefabricated  substation developed by our company has the advantages of modular design, simple structure, minimum floor space, safety, reliability, no overhaul, less maintenance, high degree of automation and standardization, diversified appearance and coordination with the surrounding environment. It is suitable for crowded sections of modern cities and some relatively narrow spaces, and also meets the standard requirements of distribution automation of power grid companies.

Features:

This product is an alternative product of the United States, with small floor space, easy to make full use of the original environment and foundation for upgrading, short construction period and low investment. European-style box-type variable structure design, diversified appearance, can be designed to integrate with the surrounding environment. There is a communication room inside, which can realize remote control and data upload, and improve the efficiency of operation and maintenance. Compared with American box transformer, it has many functions, strong ring network ability and more stable and safer operation.

● Standardization: unified scheme, unified construction standards and modularization;

● Lean: totally sealed and insulated, popularize new technologies and processes, and improve the operation level of equipment;

● Shell mechanism: stainless steel or carbon steel is purchased, which has good corrosion resistance;

● Shell size: 2250*1300*2300 (width * depth * height unit mm).

Specification:

Project

Unit

Parameter

High voltage side rated voltage

kV

10                       20

High voltage side highest voltage

12                       24

Low voltage side rated voltage

V

400

Transformer capacity

KVA

30-630

Rated frequency

HZ

50                       60

Rated peak withstand current

kA

50

1S short-time withstand current

25

Rated

insulation

level

 High

pressure side

Lightning impulse withstand

10KV

kV

75/85

20KV

125/45

1min

Power frequency tolerance

10KV

42/48

20KV

65/79

 Low

pressure side

Rated voltage

V

60≤UI≤300     300≤UI≤660     660≤UI≤800

Lightning impulse withstand voltage Lightning

2500            6000              8000

1min

Power frequency withstand voltage

2000             2500             3000

transformer

High voltage side highest voltage

kV

6                10               20

Low voltage side rated voltage

60               75              125

1min

Power frequency withstand voltage

25/20            35/28            55/50

Enclosure protection grade

IP

4X

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