A prefabricated transformer substation (also known as a compact or unitized substation) is a factory-assembled, tested, and ready-to-install unit integrating high-voltage switchgear, a transformer, and low-voltage equipment. Designed for fast deployment and space efficiency, they are ideal for urban, industrial, and temporary power distribution, often reducing footprint to of traditional substations.
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Key Features and Advantages:
Rapid Installation: Delivered as a complete, pre-wired unit, requiring only placement and final connection.
Compact Design: Ideal for restricted areas, city centers, parks, and residential neighborhoods.
Safety and Durability: Enclosed in durable steel or concrete shells (IP23, IP54) that are fire-resistant and corrosion-proof.
Environmental Suitability: Designed for harsh conditions, withstanding temperatures from to
Cost-Effective: Lower labor and construction costs compared to conventional substations.
Common Applications:
Urban residential areas and commercial centers.
Industrial facilities and mining operations.
Renewable energy projects (wind/solar farms).
Temporary power for construction sites and docks.
Main Components:
Medium Voltage (MV) Switchgear: Typically up to 36KV/ 40.5KV .
Transformer: Oil-type or dry-type transformer (e.g.,
100KVA to 1250KVA or higher).
Low Voltage (LV) Switchgear: For energy distribution
Rated Power: Typically ranges from 50 kVA up to 1600 kVA (common) or up to 2500 kVA+.
Primary Voltage (HV): Up to 40.5 kV (often 11 kV, 12 kV, 24 kV, or 36 kV).
Secondary Voltage (LV): 0.4 kV, 0.8 kV, or customized.
Transformer Type:Oil-immersed or dry-type transformers, often with ONAN/KNAF cooling.
Enclosure Material: Reinforced concrete (monoblock), aluminum alloy, composite materials, or stainless steel plate and costomized container.
Protection Level: Typically IP43 or IP54 for HV/LV compartments and IP23 for transformer compartment (IEC 60529).
Environmental Conditions: Ambient temperatures ranging from -25°C to +40°C, and altitude up to 1000m above sea level.
Protection & Control: Ring Main Units (RMU) for HV (vacuum circuit breaker or load break switch) and MCCB/ACB for LV.
We are a leading manufacturer specializing in medium-voltage electrical solutions, with a strong focus on reliability, innovation, and quality. Based in Foshan, Guangdong, we operate across three manufacturing facilities with a total area of 120,000 square meters. We are equipped to deliver a comprehensive range of products up to 35kV, including distribution transformers, switchgear, and compact substations, with a maximum capacity of up to 10,000kVA.
Our dedicated team of 600 employees works tirelessly to ensure excellence in every product we design and produce. We take pride in our internationally recognized credentials, holding certifications from KEMA and UDEM, while our UL certification has successfully passed prototype testing—a testament to our commitment to global standards and performance reliability.
Driven by a mission to deliver safe and efficient power distribution solutions, we continue to invest in technology, process improvement, and customer satisfaction, serving clients worldwide with tailored electrical systems built to last.
Zhongpeng has established a scientific management system and advanced design and Manufacturing systems,enabling precise control over every processing point and ensuring reliable fulfillment of customer requirements.
Through the development of a digital smart factory centered on ERP,MES,CRM and SRM systems,Zhongpeng has achieved integrated management of material flow, capital flow, and information flow,with a focused commitment to digital transformation.
- 1.We have extensive experience in power grid supply.
- 2.We have Fully automatic intelligent digital production line.
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- 1.KEMA Test Report for Oil immersed Transformer and dry type transformer.
- 2.CNAS Test Report for Oil immersed Transformer and dry type transformer.
- 3.UDEM Test Report for dry type transformer.
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We are a professional manufacturer with 15 years of experience in power equipment, specializing in Transformers and Amorphous Alloy Cores, High and Low Voltage Switchgear, Substations.
We take pride in being a qualified and reliable supplier for the State Grid Corporation of China
Q2. Do you accept customized service?
Indeed, we offer professional OEM and ODM services, and welcome custom logo branding on our products. Our experienced technical and quotation teams are fully prepared to deliver customized solutions for transformers and other power equipment, precisely in accordance with your drawings and specifications.
Q3. What is your Minimum Order Quantity (MOQ)?
Our flexible MOQ is just 1 piece.
Q4. How long is your delivery lead time?
The delivery lead time is upon your product requirements and order quantity. Typically, from the date of advance payment receipt to the port of delivery (FOB), within 30 to 60 days.
Q5. How do you resolve quality issues?
Kindly provide detailed photos of the quality issues. Our adept technical and quality testing team will conduct an analysis and offer a satisfactory solution within 2 days.
Q6. What are your payment terms?
A6. We require a 30% T/T in advance and the balance 70% before shipment. We also accept Western Union and L/C.
Q7. How do you provide technical support if the product malfunctions?
We offer comprehensive after-sales support:
Remote Guidance: Technical assistance via phone, email, or video conferencing.
On-site Service: Engineers can be dispatched to resolve issues at your location if required (additional fees apply).
Spare Parts Support: We guarantee long-term, stable supply of spare parts.
