Compact Substation

Your Professional Compact Substation Supplier

 

Baoding Tianwei Baogian Power Equipment Co., Ltd. is a professional manufacturer and solution provider for intelligent power equipment. We focus on high-voltage transformers, switchgear, box-type substations, and intelligent monitoring and fault early warning systems. Our products are widely used in power transmission and distribution networks, industrial manufacturing, commercial infrastructure, and renewable energy projects. With certified quality systems and strong engineering capability, we deliver safe, reliable, and cost-effective solutions to domestic and international customers.


Comprehensive Power Equipment Capability
We offer a complete range of transformers, switchgear, substations, and intelligent monitoring systems covering 0.4kV–220kV and up to 100,000kVA, supporting power grids, industry, infrastructure, and renewable energy projects.

 

Certified Quality
Our operations follow ISO9001, ISO14001, and ISO45001 systems. Full in-house production and testing equipment ensure stable performance, safety, and consistent compliance with international standards.

 

Custom Solutions
An experienced engineering team, supported by long-term cooperation with leading universities, provides project analysis, customized designs, and reliable solutions for complex and high-demand applications.

 

Full Lifecycle Service Support
From technical consultation and system design to installation guidance, maintenance, and upgrades, we deliver long-term support to ensure reliable operation and lower total ownership cost.

 

 
 
Parameter
 

Frequency

50/60 Hz

Input voltage

10kV, 6kV, 11kV

Output voltage

400V, 415V, 440V

Winding material

Cooper

Place of origin

Jiangsu, China

Coil number

Dual-winding coil

 

Types of Compact Substation

 

The compact substations produced by our company mainly include the following types:

 
01
 

Hv Lv Prefabricated Substation

The HV LV prefabricated substation serves as a key component within this system, encompassing functionality from primary substations to terminal distribution points.

 
02
 

Box Type Substation

A compact substation is a type of compact or complete power distribution equipment and box type substation integrates high-voltage switchgear, distribution transformers, low-voltage switchgear, electric energy metering devices, and reactive power compensation equipment into one or several enclosures according to specific wiring schemes.

 
03
 

Intelligent Prefabricated Substation

This intelligent substation delivers significant advantages in space savings, energy efficiency, and the intelligent prefabricated substation compact design, enabling seamless product upgrades in existing environments with minimal investment and quick results.

Hv Lv Prefabricated Substation

 

Advantages of Compact Substation
 
Box Type Substation

Reduced Overall Costs
A compared to a conventional substation, these units are pre-assembled, which helps in minimizing costs. So, there is a reduction in the transportation cost of multiple parts and field wiring as well as on-site testing. They are specially engineered in such a way that they speed up the installation process and reduce significant construction time.

 

A Minor Footprint
Compact substations are engineered in a way that they use very little space. And even fitting them in different configurations is not challenging as it is the case with conventional substations. Transporting them to the desired location is easy and there is no need for additional electrical clearances thanks to the covered equipment.

 

Eliminated Environmental Hazards
There is a need for digging the ground for conventional substation that impacts the natural drainage, but it is not the case with a compact substation. As a tamperproof metal container is used to contain the unit, it helps eradicate several environmental threats such as exposed grounding conductors and fencing.

 

Convenience and Safety
With a compact substation, there are no issues with the relocation of equipment, nor is there a need to destroy or reconstruct a traditional station. This unit is compactly built and its mobility provides utmost convenience. And last but not least, it has safety features such as covered ground conductor, fully contained equipment, built-in oil containment, covered grounded conductors, and very little exposed parts.

 

Applications of Compact Substation

Urban Areas

In densely populated cities with scarce land, compact substations allow utilities to expand or upgrade infrastructure without significant land usage.

01

Industrial Sites

Manufacturing plants, refineries, and warehouses benefit from the reduced footprint, linking power systems seamlessly within confined spaces.

02

Renewable Energy Projects

Integration with renewable energy sources such as wind or solar farms, where space for traditional substations may be limited.

03

Remote Locations

Compact substations provide a practical solution for off-grid or remote applications by minimizing installation complexity and reducing space requirements.

04

Commercial Complexes

Large shopping malls, hospitals, and office parks can optimize utility management by integrating compact substations into their infrastructure.

05

 

Comparison of Compact Substations and Traditional Substations
 

Feature

Compact Substation

Traditional Substation

Size

Small, space-efficient

Large, requires extensive land

Installation Time

Fast (weeks)

Slow (months)

Cost

Lower overall cost

Higher construction and maintenance costs

Flexibility

Easy to expand/relocate

Fixed, difficult to modify

Reliability

High (factory-tested)

Dependent on on-site construction quality

Maintenance

Low maintenance requirements

Regular, complex maintenance

 

 

Installation Precautions For Compact Substations

1. Grounding conductors should use copper with sufficient cross-sectional area.


2. The grounding network must be large and buried deep enough to reduce resistance.


3. Avoid locations with vibration, electromagnetic interference, or shock.


4. Install in dry, ventilated areas on a stable foundation.


5. Keep away from explosive or corrosive environments.


6. The substation is fully automated and does not require permanent on-site operation.

Intelligent Prefabricated Substation

 

Customizable Options
 
Transformer Capacity 100–2500 kVA
Enclosure Material Steel, Stainless steel, Concrete
Enclosure Protection IP23, IP33, IP54
Insulation Level 24, 36, 40.5 kV
Frequency 50 Hz, 60 Hz

 

Packaging and Shipping
 

Packaging

Wooden Crate, Steel Frame with Shrink Wrap

Shipping

Shipping by sea, by air, by express are acceptable. According to your requirements.

 

 

Our Factory

 

Baoding is located in the middle of the North China Plain, more than 30 kilometers away from Xiong'an New Area.

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Our Certificates

 

Quality Management System certification GB/T19001-2016/IS09001:2015, Environmental Management System certification GB/T24001-2016/IS014001:2015, Occupational Health and Safety Management System certification GB/T45001-2020/IS045001:2018, Certified Quality Testing Accredited by CNAS

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FAQ

 

Q: What is a compact substation?

A: A compact substation is a prefabricated, factory-assembled, enclosed unit that houses critical electrical equipment like transformers, switchgear, and protection devices. It is used in urban utilities, industries, and renewable energy, with applications in data centers and infrastructure projects.

Q: What is the capacity of compact substation?

A: Maximum capacity of compact substation 11/. 4kV for new housing development (domestic consumers) is 500kVA. Maximum capacity of compact substation 11/. 4kV for new commercial and industrial development is 1000kVA, subject to availability of matching size metering kiosk for single customer connection.

Q: How long is the service life of compact substations?

A: Compact substations usually have a service life of 20 to 30 years. With proper maintenance, compact substations can operate even longer. High-quality components, sealed design, and stable insulation systems help extend the life of compact substations. Regular inspection and proper load management also improve long-term performance.

Q: Are compact substations environmentally friendly?

A: Compact substations are considered environmentally friendly. Their sealed design reduces oil leakage risk and noise pollution. Compact substations require less land and materials than traditional substations. Energy-efficient transformers used in compact substations also help reduce power loss and support sustainable energy development.

Q: How is ventilation handled in compact substations?

A: Compact substations use natural or forced ventilation systems. Ventilation helps control internal temperature and protect equipment. Some compact substations use fans, air filters, or heat dissipation channels. Proper ventilation design ensures compact substations operate safely under full load and high ambient temperature conditions.

Q: What maintenance do compact substations need?

A: Compact substations require low maintenance. Regular inspection includes checking connections, insulation, and ventilation. Compact substations benefit from periodic cleaning and electrical testing. Because components are enclosed, compact substations experience less wear from dust and moisture, reducing maintenance frequency and cost.

As one of the leading compact substation manufacturers and suppliers in China, we also support customized service. With over 20 years' experience, we warmly welcome you to buy high quality compact substation made in China here from our factory. For price consultation, contact us.

1000 Kva Compact Substation, 11kv indoor substation, Box Type Substation