Product Description
Oil Immersed Transformer
The three-phase oil-immersed transformer is a robust and efficient electrical device, specifically designed for voltage step-up or step-down in three-phase power systems. As core equipment in electrical transmission and distribution networks, it is renowned for its high reliability, long service life, and excellent performance.
High Efficiency & Reliability
Manufactured with high-quality grain-oriented silicon steel sheets and copper/aluminum windings to minimize energy loss.
Excellent Cooling
Iron core and windings are immersed in insulating oil, dissipating heat efficiently and providing outstanding insulation.
Safety Protection
Fitted with Buchholz relay, pressure relief devices, and temperature indicators to ensure safe operation.
| Technical Specifications |
| Product Name | Oil Immersed Transformer |
| Place of Origin | China |
| Specifications Range | S-30KVA - 2500KVA |
Professional Manufacturing
We are a leading professional manufacturer dedicated to the design, production, and sales of high-quality power transformers. Our core business encompasses a comprehensive range of transformers, including Distribution Transformers (up to 35kV), Dry-Type Transformers, Oil-Immersed Transformers, and Compact Substations.
Operating from a modern facility spanning over 90,000 square meters, we boast an annual production capacity exceeding 3,000,000 kVA. Our manufacturing process integrates advanced equipment with skilled craftsmanship, including core processing, coil winding, vacuum drying, and tank fabrication.
Frequently Asked Questions
Does your company hold international quality certifications?
Yes, our facility is ISO 9001 Quality Management System certified. Our products comply with international standards such as IEC (International Electrotechnical Commission) and CE.
What is your annual production capacity?
We operate a modern production base with advanced lines, achieving an annual capacity exceeding 10,000 units. We manufacture transformers ranging from 30KVA to 20MVA.
How do you ensure product quality before shipment?
Quality is controlled through strict supplier screening, process control at critical production stages, and a final rigorous factory inspection for every unit with provided test reports.
What types of windings do you offer for your transformers?
We offer both Copper windings (for higher efficiency and longer lifespan) and Aluminum windings (as a lighter, cost-effective alternative) based on project requirements.
What is the typical delivery lead time?
Standard small transformers typically take 15-30 days, while large or custom transformers may require 45-90 days depending on the specifications.
What kind of after-sales technical support do you provide?
We offer 12-month warranties, remote technical assistance via video/email, spare parts support, and on-site engineering services if required.
Tanaka Electric
