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Solution Category/Product Series Category

ONAF Cooling for Oil-Immersed Transformers | TengQi Technology

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ONAF Cooling for Oil-Immersed Transformers

TengQi Technology’s ONAF solution addresses limited cooling capacity and temperature-rise challenges in medium and large oil-immersed transformers, including space-constrained outdoor substations. It combines natural oil circulation with large-diameter, low-speed fans and reinforced supports to enhance air-side heat transfer, with cooling and noise performance subject to project-specific design and verification.

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ONAN Cooling for Space-Constrained Oil-Immersed Transformers

TengQi Technology’s ONAN cooling solution addresses limited radiator space and hotspot temperature-rise challenges in oil-immersed distribution and small-to-medium power transformers. Optimized radiator oil passages, inlet flow guidance and effective heat-transfer area support natural-circulation cooling without fans, with performance subject to project-specific calculation and verification.

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C3 Transformer Radiator Anti-Corrosion Coating Solutions | TengQi Technology

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Anti-Corrosion Coating Solutions for Transformer Panel Radiators in C3 Environments

TengQi Technology offers anti-corrosion coating solutions for transformer panel radiators in C3 medium-corrosivity environments, including inland industrial areas and ordinary outdoor substations. Polyester powder, composite powder and liquid paint systems are selected to address rust spots, coating weathering and vulnerable welds and edges, with configurations matched to project durability targets and maintenance needs.

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C4 Corrosion Protection for Transformer Radiators | TengQi Technology

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C4 Corrosion Protection for Transformer Panel Radiators

TengQi Technology provides graded protective coating options for transformer panel radiators exposed to C4 coastal-transition and heavy-industrial environments. Polyester powder, E-coat/powder composites and primer/acrylic polyurethane systems address moisture, pollutants and corrosion-prone welds and folded edges, with zinc-based protection for C4-VH. Selection and performance verification depend on project conditions and agreed specifications.

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C5 Corrosion Protection for Transformer Radiators | TengQi Technology

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C5 Corrosion Protection for Transformer Panel Radiators

TengQi Technology’s corrosion protection solution addresses salt spray, high humidity and chloride exposure affecting oil-immersed transformer panel radiators in coastal and island environments. Grade-specific E-coat composite powder or hot-dip galvanized multilayer paint systems help protect vulnerable areas and delay corrosion, with final configurations confirmed against project conditions.

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