3 Phase Stepdown Transformer 11/15kv 100/315kva 630kva 1000 1600kva Oil Immersed Distribution Electric Power Transformers

Product Description

Oil Immersed Distribution Transformers
Oil Immersed Transformers

Our factory has been specializing in producing a range of oil-immersed transformers for 13 years, from the S9 to S22 series. With voltages ranging from 6kV to 35kV and capacities from 15kVA to 10,000kVA, we can meet your needs in any scenario or application. Even the smallest bolt is made of hot-dip galvanized material, which ensures it won't rust for 30 years.

Product Advantages
Brand-new mineral insulating oil without PCB.
Low temperature rise for long-term full-load operation.
Compliant with IEC standards and holds CE/ISO certificates.
Fully galvanized coating to prevent rust.
Professional design experience with exports to 60 countries.
We can customize according to your demand! Just tell us the capacity and voltage you need to get a quotation.
Technical Parameters
Rated Capacity (KVA) Voltage Combination (KV) Connection Symbol No-load Loss (W) Load Loss (W) Impedance Voltage (%) No-load Current (%) Dimensions L*W*H (mm) Total Weight (kg)
High Voltage Tapping Range Low Voltage
306, 6.3, 10, 10.5, 11±5% or ±2x2.5%0.4Dyn11/Yyn010063042.8980*735*1145355
50Dyn11/Yyn013091042.51017*758*1205415
100Dyn11/Yyn0200158042.11072*820*1305590
160Dyn11/Yyn0280231041.91235*850*1535835
250Dyn11/Yyn0400320041.71310*940*16051135
400Dyn11/Yyn0570452041.51440*1165*17201590
630Dyn11/Yyn081062004.51.31650*1140*19202015
1000Dyn11/Yyn01150103004.51.12150*1380*25703850
1600Dyn11/Yyn01640145004.50.92335*1750*26305420
2500Dyn11/Yyn02290212005.00.42050*1480*18004680

* Note: Parameters are for reference only. Specific changes should follow factory technical data.

Transformer Details Transformer Structure
Advanced Production & Facility
Factory Workshop Production Process

Our workshop covers 250,000 square meters and employs over 500 professionals. Every link of our production adopts the most advanced automation and intelligent equipment. Smart warehouse WMS, smart RGV/AGV trolleys, and MES production management systems realize real-time seamless data transmission and control, ensuring high standards of automation and intelligence.

Certifications & Global Cases
Certifications ISO CE IEC
Global Customer Cases

We have passed ISO9001, IEC, SGS, Intertek, CCC, CE, BV, and GOST certifications. Our products are exported to more than 60 countries including Indonesia, Chile, Netherlands, England, Philippines, Pakistan, South Africa, Saudi Arabia, and Mexico.

Packaging & Shipping
Secure Packaging Shipping Logistics
Frequently Asked Questions
Q: What are your major products?
A: Our main product range includes oil immersed transformers, dry type transformers, transformer substations, and high/low voltage switchgear.
Q: Can your transformers be customized?
A: Yes. Considering differences in voltage, frequency, and local regulations in different regions, we can customize products to meet your specific technical requirements.
Q: How long is the standard lead time for an order?
A: The lead time depends on the order quantity, but generally, products are ready within 15 days upon receipt of advance payment.
Q: Do you offer a warranty for your products?
A: Yes. We offer at least a one-year guarantee for all of our transformers to ensure reliable operation.
Q: What certificates do your products hold?
A: Our products are fully certified by ISO9001, IEC, CE, SGS, BV, and Intertek, ensuring they meet international quality and safety standards.
Q: What are the advantages of your oil immersed transformers?
A: We use brand-new mineral insulating oil (PCB-free), provide professional design for low temperature rise, and use fully galvanized components to prevent rust for 30 years.

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