Tanaka Electric
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We are a professional manufacturer focusing on oil immersed power & distribution transformers with voltage range from 10kV up to 220kV and capacity from 50kVA to 200MVA. All products adopt three-phase oil immersed structure, available in fully sealed or conservator type, suitable for outdoor / indoor installation in power grid, substation, industrial plant, mining, and infrastructure projects.
Our transformers feature low loss, low noise, high reliability, strong short-circuit resistance and long service life, supporting IEC 60076, ANSI, GOST, UL and other international standards.
| Product Name | EI Type Amorphous Alloy Low Frequency Instrument CCC Oil-immersed Transformer |
| Materials | Silicon steel sheet, copper/aluminum wire, insulating materials, transformer oil, steel plate, tap changer. |
| Features | Stable heat dissipation, wide capacity coverage, high operation reliability, convenient maintenance, and excellent insulation. |
| Process | Corrugated oil tank/tube radiator forming, paint dipping insulation, precision assembly of core and winding. |
| Testing | No-load/load loss test, impedance voltage test, oil withstand voltage performance, temperature rise test. |
Main Advantages: Oil-immersed transformers use transformer oil as cooling and insulation medium. It has outstanding insulation and heat dissipation capacity, ensuring stable operation under heavy load. Compared with dry-type transformers, it has a higher cost-performance ratio and strong adaptability to harsh environments like high temperature and humidity.





Production & Testing Equipment Display





Production & Testing Area







1. Quality Guarantee: Compliant with ISO9001 standards; reliable and easy to maintain.
2. Full-Stage Support: Technical consulting, design optimization, and on-site installation guidance.
3. Warranty: 18-month warranty with free repair or replacement for quality defects.
4. Fast Response: 20-minute reply and 60-minute urgent support (remote or on-site).
5. Spare Parts: Original parts available at favorable prices.