Compact Substation

VKE: Leading Compact Substation Manufacturer

Founded in 2003, Jiangsu VKE Transformer Co., Ltd. is a professional manufacturer of high-quality compact substation. Our facility adopts a full-process layout that seamlessly connects each step - from raw materials to finished products - to achieve a smooth workflow. We are committed to becoming your trusted partner.

Why Choose Us

Quality Assurance

VKE employs industry-leading automated testing systems to conduct full life-cycle monitoring for every transformer. The combination of precision instruments and digital platforms ensures that our products meet strict quality standards and custom requirements.

One-Stop Service

VKE ensures that every transformer we deliver undergoes rigorous quality checks. We offer a one-stop service, including quotation, manufacturing, installation, commissioning, and training.

Production Capacity

With two production bases covering 33,660 m² and a dedicated team of 110+ employees, we achieve an annual production capacity of 6,000 MVA.

Global Certification

We are IEC, CE, UL and regional safety certified. With high-performance products and top-quality service, our products are sold in many countries and regions worldwide.

Types of Compact Substation

1000 Kva Compact Substation

VKE 1000 kVA compact substation acts as a stable bridging interface between high-voltage (HV) networks and low-voltage (LV) networks.

11kv Compact Substation

The 11kV compact substation integrates the high-voltage compartment, transformer compartment and low-voltage compartment into a single fully sealed compact unit.

33kv Compact Substation

VKE 33kV compact substation is a prefabricated unit that integrates high-voltage switchgear, distribution transformer and low-voltage switchboard into a single enclosure.

Prefabricated Compact Substation

Prefabricated compact substation, with modular design, rapid deployment and strong adaptability, has become the preferred choice for modern power construction.

500 Kva Compact Substation

Designed to meet the demands of modern power system, it features high space utilization, rapid installation/commissioning, and easy operation/maintenance.

Compact Substation Specification

Here’s a detailed specification for a 1000 kVA 11/0.4kV compact substation, a common choice for urban and industrial applications:

Specification	Details
Rated Power	1000 kVA
Primary Voltage	11 kV
Secondary Voltage	0.4 kV
Transformer Type	Oil-Immersed or Dry-Type
MV Switchgear	SF6 Ring Main Unit or Air-Insulated
LV Panel	ACB/MCCB/MCB with metering
Enclosure Material	Galvanized Steel / Aluminum / Concrete
Protection Level	IP54 (Outdoor)
Cooling Method	ONAN (Oil Natural Air Natural) / ANAF

Key Benefits of Compact Substations

Space Efficiency

Compact substations take up significantly less space compared to traditional substations. This space-saving advantage is particularly important for cities and industries that face increasing land-use challenges.

Cost Efficiency

The pre-assembled design of compact substations reduces installation time and costs. This quick deployment reduces labor costs and minimizes downtime.

Enhanced Safety

Safety is a priority in the design of compact substations. They feature robust protection systems, including circuit breakers, surge arresters, and relay protection, ensuring reliable operation and preventing electrical faults.

Environmental Protection

Many compact substations are designed to withstand harsh environmental conditions. They come with weatherproof enclosures and corrosion-resistant materials, ensuring longevity and reliable performance in extreme climates, such as high humidity or dust-prone environments.

Application of Compact Substation

Urban Infrastructure: Compact substations are the best option for controlling power distribution in crowded urban areas. They don't need a lot of space to operate, thus they can be built in small areas to provide basic electrical services.

Renewable Energy: The integration of renewable energy sources, such wind and solar electricity, into the grid is becoming more and more common. They increase overall efficiency and reliability by facilitating the connectivity of decentralized energy systems.

Industrial Facilities: These are used by industrial complexes and manufacturing facilities to control their specific power needs. The steady power supply that these substations guarantee is essential to preserving operational effectiveness.

Commercial Buildings: They are appropriate for urban locations because they help distribute power effectively while taking up little space in commercial settings like office buildings and shopping centers.

Construction Sites: Compact substations are often deployed on construction sites to provide power for tools, machinery, and site lighting. Their modular design allows for quick setup and relocation.

Transportation: These are used in transportation networks, including railways and airports, to ensure reliable power supply for signaling systems, lighting, and other essential operations.

Telecommunications: In the telecommunications sector, it supports data centers and communication towers by providing a stable power supply, which is vital for continuous operation.

Military and Defense: These are utilized in military installations and defense operations to provide secure and reliable power solutions in remote or temporary locations.

Components of a Compact Substation

Incoming High-Voltage Section: This section is responsible for receiving high-voltage power from the transmission grid. It includes a high-voltage circuit breaker, disconnect switches, and lightning arrestors.

Power Transformers: Power transformers are one of the key components in a compact substation. The transformer comprises primary and secondary windings, and the ratio between the number of turns in these windings determines the voltage transformation.

Low-Voltage Section: This section of the compact substation includes low-voltage switchgear, which distributes the electricity to various feeders and consumers.

LV and HV Busbars: Low-voltage (LV) busbars distribute power at lower voltage levels within the substation, while high-voltage (HV) busbars handle the incoming high-voltage power and distribute it to the transformers.

Control and Protection System: The control and protection system is the brain of the compact substation. It consists of various relays, sensors, and monitoring devices that continuously supervise the substation's health and performance.

Installation Requirements

01/

Ensure a level, stable foundation with proper drainage to prevent water accumulation.

02/

Maintain required electrical and safety clearances around the substation for operation and maintenance.

03/

Provide adequate natural or forced ventilation to avoid overheating of equipment.

04/

Install a reliable earthing system to ensure personnel safety and protect equipment.

05/

Ensure safe and convenient access for inspection, operation, and emergency handling.

06/

Design proper underground or overhead cable entry with sealing to prevent dust and moisture.

Customization Process

Consultation and Contact

Reach out to us via email, phone, or our website to discuss your specific requirements and project goals.

Design Confirmation

We will create a basic design plan based on your requirements and confirm the specific design details with you.

Quotation and Agreement

Provide a detailed quotation, discuss, and sign the mutual agreement to finalize the project details.

Payment Confirmation

Make the payment to confirm the development project. 30% deposit in advance, 70% balance against the copy of B/L..

Manufacturing

We start the manufacturing process and oversee progress to ensure timely production. This helps us maintain efficiency and meet deadlines.

Logistics and Delivery

Together, we conduct the final acceptance to verify that the transformer meet your quality standards and requirements. By doing so, we ensure everything aligns with your expectations.

Shipping and Delivery

Payment Terms	We accept LC, T/T,Western Union, PayPal and so on. If others, we can discuss.
Delivery Time	Usually it will take about 30 days after order confirmed.
Package	Wooden Box Packaging: Ensures safety during transportation with fumigated logs and steel corner reinforcements to prevent damage. Wooden Pallet Packaging: Provides a cost-effective solution for sea transportation, ensuring transformers are securely fastened with straps and wrapped in protective film.
Transportation	For small package, we will send it by Express, such as DHL,FedEx,,UPS,TNT,EMS. For big package, we will sent you by sea , air or train.

Our Certificates

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FAQ

Q: What is a compact substation?

A: A compact substation is a self-contained unit that integrates essential components like transformers, switchgear, and control systems. It provides efficient power distribution in a smaller footprint, making it ideal for urban and industrial areas.

Q: Why should you choose a compact substation over a traditional one?

A: Compact substations save space and reduce installation time. Their modular design simplifies maintenance and enhances safety. They are perfect for areas with limited land availability and offer cost-effective solutions for modern power distribution needs.

Q: How does a compact substation ensure safety?

A: Compact substations include advanced safety features like built-in oil containment, covered ground conductors, and fire suppression systems. Fully enclosed equipment protects against environmental hazards, while monitoring devices and circuit breakers quickly isolate faults.

Q: Can compact substations handle high power loads?

A: Yes, compact substations are designed to handle high power loads efficiently. They use advanced transformers and cooling systems to ensure reliable performance, even in demanding environments.

Q: What types of transformers are used in compact substations?

A: Compact substations typically use step-down transformers. These can be oil-filled for outdoor use or dry-type for indoor installations. Both types ensure efficient voltage conversion and system compatibility.

Q: How long does it take to install a compact substation?

A: The modular design of compact substations allows for quick installation. Prefabricated units reduce construction time by up to 30%, ensuring faster deployment compared to traditional substations.

Q: Can compact substations be relocated?

A: Yes. Many units are designed for mobile use and can be moved with minimal effort.

Q: What is the difference between a traditional substation and a compact substation?

A: Traditional substations often require large land areas for installation. In contrast, compact substation require minimal space, making them perfect for urban areas, high-density industrial locations, or remote regions with restricted space.

We're professional compact substation manufacturers and suppliers in China, specialized in providing high quality customized products. We warmly welcome you to buy compact substation for sale here from our factory. For price consultation, contact us.

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