36kV 38kV Box Type Three Phase Outdoor Mobile Prefabricated Substation
Key attributes
| Brand | Vziman |
| Model NO. | 36kV 38kV Box Type Three Phase Outdoor Mobile Prefabricated Substation |
| Rated voltage | 38kV |
| Rated frequency | 50/60Hz |
| Rated capacity | 1250kVA |
| Series | YB |
Product descriptions from the supplier
Description
Compact Prefabricated Substation product overview
The Box Type Prefabricated Substation, also known as prefabricated substation, is a professional compact Prefabricated Substation that integrates high-voltage switchgear, distribution transformers and low-voltage power distribution devices into an integrated indoor and outdoor power distribution unit according to standardized wiring schemes, prefabricated entirely in the factory. This Box Type Prefabricated Substation organically integrates core functions such as transformer step-down and low-voltage power distribution, and the whole equipment is housed in a fully enclosed, movable steel structure box with moisture-proof, rust-proof, dust-proof, rat-proof, fire-proof, anti-theft and heat-insulation performance. The compact Prefabricated Substation is divided into three main types: European-style, American-style and underground type, each tailored to match different power distribution scenario needs, and all retain the core advantages of integration and space-saving of the Box Type Prefabricated Substation.
Compact Prefabricated Substation product Features
- Dual High-Voltage Compatibility：The Box Type Prefabricated Substation supports 36kV/38kV dual input voltages, perfectly adapting to the medium-voltage power distribution network demands of industrial parks, remote mining areas and rural grid upgrading projects. The compact Prefabricated Substation retains this high-voltage compatibility while its integrated structure ensures stable voltage conversion under different medium-voltage input conditions, meeting the diversified power grid access needs of different regions and industries.
- Outdoor Rugged & Weatherproof Design：Adopting a corrosion-resistant galvanized steel enclosure with IP54 protection grade, the compact Prefabricated Substation can withstand extreme temperatures (-30℃~+50℃), heavy rain, dust and UV radiation, ensuring long-term stable outdoor operation. This rugged weatherproof design is the core advantage of the outdoor Box Type Prefabricated Substation, making it highly adaptable to various harsh outdoor power distribution environments without additional protection facilities.
- Compact Mobile & Fast Deployment：The Box Type Prefabricated Substation features an integrated box-type structure with built-in lifting lugs and forklift slots, realizing quick transportation, hoisting and on-site installation. As a highly portable compact Prefabricated Substation, it is especially suitable for temporary power supply and emergency rescue scenarios with tight construction schedules, and can complete power supply commissioning in a short time to meet the urgent power demand of the site.
- Comprehensive Safety Protection：Equipped with a full set of overvoltage, overcurrent, short-circuit and lightning protection systems, the compact Prefabricated Substation fully complies with IEC/GB international and national standards, effectively eliminating fire and explosion risks and ensuring safe and reliable power distribution. The Box Type Prefabricated Substation takes safety as the core design principle, and its closed structure further enhances the safety performance of the equipment in complex operating environments.
- Customizable Capacity & Configuration：The Box Type Prefabricated Substation offers flexible transformer capacity options from 500kVA to 3150kVA and multiple vector group choices including Dyn11 and Yyn0, and can be tailored to match diverse low-voltage output demands of 380V/400V/440V. The compact Prefabricated Substation supports the same flexible customization, and the internal module layout can be optimized according to customized parameters to ensure the best power distribution efficiency while maintaining a compact structure.
Compact Prefabricated Substation technical Parameters
|
Serial No.
|
Name
|
Unit
|
Description
|
|
1
|
Rated capacity
|
KVA
|
630- 3400
|
|
2
|
Rated voltage
|
kV
|
35 一38. 5
|
|
3
|
High voltage tapping range
|
|
+2x2.5%
|
|
4
|
Join group label
|
|
Dyn11, Dyn11yn11, Ynd11d11
|
|
5
|
Power frequency withstand voltage
|
kV
|
85
|
|
6
|
Lightning shock withstand voltage
|
kV
|
200
|
|
7
|
Maximum rated fuse breaking current
|
kA
|
31.5
|
|
8
|
Load switch
|
a
|
300，600
|
|
9
|
Noise level
|
dB
|
|
|
10
|
Grade of protection
|
|
IP54
|
|
11
|
Rated frequency
|
HZ
|
50
|
- The combined transformer adopts "mesh"-shaped structure, which is small in size, compact in structure and smooth in lifting;
- The high-voltage side is fully sealed and equipped with live display, which meets the five protection requirements of high-voltage products to ensure personal safety;
- It can be used in the ring network and terminals and is in convenient conversion;
- The box adopts anti-theft structure.
Compact Prefabricated Substation service condition
- Altitude: The Box Type Prefabricated Substation is suitable for installation and operation at altitudes not exceeding 2000 m, and the compact Prefabricated Substation maintains stable performance within this altitude range without derating treatment.
- Ambient Temperature: The compact Prefabricated Substation can operate in an ambient temperature range of -40℃ to 45℃, with stronger temperature adaptability than the conventional operating range, fully meeting the temperature requirements of extreme cold and hot regions.
- Relative Air Humidity: For the Box Type Prefabricated Substation, the daily maximum relative air humidity shall not exceed 95%, and the monthly average shall not exceed 90%, effectively avoiding moisture-induced electrical faults of internal components.
- Outdoor Wind Speed: The compact Prefabricated Substation can withstand outdoor wind speeds not exceeding 35 m/s, and its robust steel structure ensures structural stability and no deformation under strong wind conditions.
- Ground Inclination: The Box Type Prefabricated Substation requires the installation ground inclination to not exceed 3°, ensuring the levelness of the equipment and the normal operation of the internal transformer and electrical components.
- Power Grid Waveform: Applicable to three-phase AC power grids with approximately sinusoidal supply voltage waveform and symmetrical three-phase voltage, the compact Prefabricated Substation can avoid abnormal operation caused by power grid waveform distortion.
- Installation Site: The Box Type Prefabricated Substation shall be installed in sites without explosion risks, fire hazards, serious contamination, chemical corrosion and severe vibration; customized anti-corrosion and shockproof upgrades are available for special site conditions.
Box Type Prefabricated Substation Application area
The Box Type Prefabricated Substation is mainly applicable to the power distribution industry including rural power grids and urban power grids, and is widely deployed in commercial buildings, high-rise buildings, airports, industrial and mining enterprises, power plants, oil platforms, subways and tunnels and other important places with special fire protection requirements. The compact Prefabricated Substation can be flexibly combined with switchgear to form a customized integrated power distribution system, adapting to the different installation space and power load requirements of various scenarios. Whether it is the grid upgrading of rural and urban areas, or the core power supply of industrial and civil key facilities, the Box Type Prefabricated Substation can provide stable and reliable power distribution services, and the compact Prefabricated Substation is more suitable for scenarios with limited installation space such as high-rise building equipment rooms and subway tunnels.
Q: What core voltage specifications does this Box Type Prefabricated Substation support and what is its main application attribute?
A:
This Box Type Prefabricated Substation is specially designed for outdoor three-phase power distribution scenarios, supporting dual high-voltage input specifications of 36kV and 38kV, and is endowed with excellent mobile performance. As a highly integrated compact Prefabricated Substation, it perfectly matches the medium-voltage power distribution needs of outdoor scenarios such as industrial parks, remote mining areas and rural power grid upgrading, and can be flexibly deployed according to on-site power demand changes.
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