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What is the purpose of the mobile box-type substation

What is the purpose of the mobile box-type substation

  • Categories:Company news
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  • Time of issue:2021-09-18 10:42
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(Summary description)Mobile box-type substation refers to a compact complete set of distribution transformers, low-voltage switchgear, electric energy metering equipment, and reactive power compensation devices installed on high-voltage switches combined into one or several boxes with a certain wiring scheme. Electrical equipment, then, let’s take a look at the purpose of the mobile box-type substation!

What is the purpose of the mobile box-type substation

(Summary description)Mobile box-type substation refers to a compact complete set of distribution transformers, low-voltage switchgear, electric energy metering equipment, and reactive power compensation devices installed on high-voltage switches combined into one or several boxes with a certain wiring scheme. Electrical equipment, then, let’s take a look at the purpose of the mobile box-type substation!

  • Categories:Company news
  • Author:
  • Origin:
  • Time of issue:2021-09-18 10:42
  • Views:0
Information

Mobile box-type substation refers to a compact complete set of distribution transformers, low-voltage switchgear, electric energy metering equipment, and reactive power compensation devices installed on high-voltage switches combined into one or several boxes with a certain wiring scheme. Electrical equipment, then, let’s take a look at the purpose of the mobile box-type substation!

Is the organic combination of high-voltage power receiving, transformer step-down, low-voltage power distribution and other functions. It is set in a moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, anti-theft, heat-insulation, fully enclosed, and movable steel structure box.

It is suitable for three-phase AC systems with a rated voltage of 10/0.4KV for distribution of lines and electricity.

Mobile box-type substation refers to a compact complete power distribution device that combines high-voltage switchgear distribution transformers, low-voltage switchgear zhi, electric energy metering equipment and reactive power compensation devices dao with a certain wiring scheme into one or several boxes . That is, the organic combination of high-voltage power receiving, transformer step-down, low-voltage power distribution and other functions are arranged in a moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, anti-theft, heat-insulation, fully enclosed, and movable steel structure box. It is suitable for three-phase AC systems with a rated voltage of 10/0.4KV for distribution of lines and electricity.

The main feature of the mobile box-type substation: the box-type substation has a small footprint. The general box-type substation covers an area of ​​only 5-6 square meters, but it can also be reduced by 3 to 3.5 square meters. It is suitable for places such as general load-intensive industrial and mining enterprises, ports and residential communities. It can extend the high-voltage power supply to the load center to reduce the low-voltage power supply radius and reduce losses. There are few low-voltage power supply lines, generally 4~6 lines. Shorten the on-site construction cycle and reduce investment. The appearance is novel and beautiful, which can be coordinated with the surrounding environment of the substation.

Usually, the main engine is a three-phase oil-immersed power transformer, which is reasonably equipped with high and low voltage switches, electric energy metering, lightning protection and other components, with compact connections, and integrated in a steel-structured box-shaped room. With the functions of power transformation and distribution, as well as metering devices, it is a complete power receiving substation with small footprint, less space, and easy installation.

The mobile box-type substation is mainly composed of multi-circuit high-voltage switch system, bushing bus, integrated substation automation system, communication, remote, metering, capacity compensation and DC power supply and other electrical units. It has a moisture-proof, rust-proof, dust-proof, Anti-mouse, fireproof, anti-theft, heat insulation, fully enclosed, mobile

Intelligent design of the whole station: The protection system adopts substation microcomputer integrated automation device, decentralized installation, can realize "remote measurement, remote communication, remote operation, remote debugging", each unit has independent operation function, complete relay protection function, remote setting Operating parameters can be remotely monitored by image if necessary. Factory prefabrication: When designing, as long as the designer designs the main wiring diagram and the equipment outside the box according to the actual requirements of the substation, he can choose the specifications and models of the box substation provided by the manufacturer. Realize the factoryization of substation construction. Design and manufacture site installation only requires cabinet positioning, cable connection between cabinets, wiring cable connection, protection value inspection, transmission test and other work that needs adjustment, from the overall substation It takes about 5-8 days from installation to commissioning, which greatly shortens the construction period.

The mobile box-type substation has a relatively compact structure, and each box forms an independent system, so the combination methods are flexible and diverse. On the other hand, we can all adopt the box type. That is, 35kv and 10kv equipment are all installed in the box to form a full-box substation; 10kv switch box, 35kv equipment outdoor installation, 10kv equipment and control system box installation are also possible. Regarding this combination method, especially the old station transformation in the rural network transformation, that is, the existing 35kv equipment does not move, and only a 10kv switch box can be installed to meet the unattended requirements. In short, box-type substations do not have a fixed combination mode, and the user can freely combine several modes according to the actual situation to meet the needs of safe operation.

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