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TSTYNICE 10000 kVA (10/12.5MVA) 25 kV 27.6 kV Distribution Transformer Power Transformer

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TSTYNICE 10000 kVA (10/12.5MVA) 25 kV 27.6 kV Distribution Transformer Power Transformer

Primary Voltage Ratings: up to 46kV
Secondary Voltage Ratings: up to 13.8kV
BIL: 30-200kV
Application: Distribution system, EV charging, BESS, Bitcoin mining, Industry, Sustation
Power Rating: 10000 kVA, 10 MVA, 12.5 MVA

For detailed specifications, quotations, or project consultations, please contact us:
Email: sales@tstytransformer.com
WhatsApp: +86-18001856258
Our technical team is ready to assist you — wherever your business operates.

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10000 kVA (10/12.5MVA) Three Phase Substation Transformer with OLTC

The 10000 kVA (10/12.5MVA) Distribution Transformer is designed for reliable medium-voltage power distribution in utility grids, industrial facilities, and large-scale infrastructure projects. It is available in 25 kV, 27.6 kV and more primary voltage options, making it suitable for different regional standards.

Applications:

Utility distribution networks (urban and rural)
Large commercial complexes and industrial facilities
Mining and infrastructure projects
Renewable energy integration (wind and solar plants)

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Advantages:

High Efficiency & Low Losses: Optimized core and winding design reduces no-load and load losses, lowering operational costs.
Durability: Resistant to corrosion, shock, and harsh environmental conditions.
Low Noise: Engineered to meet noise regulations, suitable for urban and industrial environments.
Customizable: Voltage levels, vector group, tap changer, and cooling options can be tailored to customer needs.
Safety & Reliability: Equipped with advanced insulation, protective relays, and monitoring devices to ensure continuous safe operation.

TSTYNICE Transformers can provide customized designs for your project. Share your requirements, and our engineering team will deliver a complete technical solution and quotation. All products carry CE/IEC/SGS/BV/GOST certifications. Our $8M R&D center develops next-gen solutions.Our distribution transformer series represents the pinnacle of power conversion technology, delivering unmatched performance, safety, and durability. Engineered for excellence, these transformers set industry benchmarks for reliability across global power applications.

Item	Specification
Rated Capacity	10000 kVA (10/12.5 MVA)
Primary Voltage	25 kV or 27.6 kV (customizable)
Secondary Voltage	4.16 kV (standard) / customizable (e.g., 6.9 kV, 11 kV, etc.)
Frequency	50 Hz / 60 Hz
Vector Group	Dyn11 (standard) / other vector groups on request
Impedance Voltage	8% ± 10% (can be customized to utility standards)
Insulation Class	A-class (65 K temperature rise)
Cooling Method	ONAN (Oil Natural Air Natural) / optional ONAF (Oil Natural Air Forced)
No-load Loss	≤ 9.5 kW (typical value, depends on standard)
Load Loss (at 75°C)	≤ 65 kW (typical value, depends on standard)
No-load Current	≤ 0.5% of rated current
Short-Circuit Withstand	Strong mechanical design for high short-circuit strength
Insulating Medium	Mineral Oil (25# IEC/IEEE compliant)
Cooling Accessories	Radiator fins, oil level indicator, thermometer, Buchholz relay (optional)
Protection Degree	IP54 (outdoor type) / IP33 (indoor type)
Noise Level	≤ 65 dB (measured at 1 meter distance)
Altitude	≤ 1000 m (above sea level) / customizable for higher altitudes
Ambient Temperature	-25°C ~ +40°C (custom designs for extreme climates available)
Standards	IEC 60076 / IEEE C57.12 / ANSI / CSA

Spanning 250,000 in Henan, our smart factory leverages 5G automation to produce 3,000+ IEC/CE-certified substations annually. With 158 patents and 99% automation, we power projects across 80+ countries.

Q: Are you a factory or trading company?

A: We are an integrated manufacturer and exporter. OEM/ODM services are supported.

Q: What are your main advantages?

A: Over 30 years of industry experience, advanced production lines, reliable quality, fast lead time, and responsive service. Free spare parts are also available for support.

Q: How fast can you deliver?

A: Delivery time depends on the order quantity. Normally 15–20 days after receiving deposit.

Q: What payment methods do you accept?

A: T/T, L/C, PayPal, Visa, Western Union — based on your order needs.

Q: Do you inspect the products before shipment?

A: Yes, we conduct 100% quality inspection before delivery.

Q: What certifications do you hold?

A: CE, SGS, ISO, IEC, GOST —all internationally recognized. We also partner with brands like DuPont, ABB, and Siemens.

Q: How can I be sure you're using quality materials?

A: We welcome material testing upon delivery. We focus on long-term partnerships, not one-time transactions.

TSTYNICE transformers hold ISO 9001, IEC 60076, CE, GOST, SGS, and BV certifications, with 158 patents (20 inventions). Our CNAS-accredited lab ensures global compliance across 80+ markets.