Our transformers are designed according to international standards and delivered to customers with assured-quality and perfect after-sale services.
Environmental protection, safety, easy maintenance, noise and heat dissipation performance is relatively weak.
Learn MoreReasonable structure, excellent performance, diversity of cooling methods, wide application and environmental protection
Learn MoreHigh mechanical strength, low noise, small size, high insulation level, long life, resista
Learn MoreEnvironmental protection, safety, easy maintenance, noise and heat dissipation performance is relatively weak.
Learn More
Founded in 1958, Henan Ztelec Electric Technology Group (ZTELEC Group) designs transformers to meet international standards. We ensure top performance and reliability, with quality assurance and excellent after-sales service. Choose ZTELEC for trustworthy transformers.
Years of experience in manufacturing high-quality, reliable transformers.
Full after-sales service to keep your transformers running smoothly.
Discover why regular maintenance of cooling systems is essential for oil-immersed and dry-type transformers. Learn how preventive measures improve transformer efficiency and safety.
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A comprehensive guide to dry-type transformer overload capacity, including standards, short-term overloads, and practical operation advice.
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Learn how to prevent the aging of oil-immersed transformer oil to improve operating efficiency and extend service life. From oil quality management to filtration and daily maintenance, discover essential protection measures.
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Understand the key differences between isolation dry-type transformers and oil-immersed transformers in terms of safety, cooling, maintenance, and applications.
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Learn how to choose the right isolation dry-type transformer for your project. Discover key factors including voltage, environment, cooling, and load demands.
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Learn when and why to use an isolation transformer. This practical guide covers safety, equipment protection, special power systems, voltage matching, and common pitfalls.
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