PRODUCT OVERVIEWS
110kV (66kV) oil-immersed transformer, with product performance meeting the requirements of high overload capacity, long service life, high reliability, high safety, and high energy density, has been successfully applied in the Jiangdong 100MW photovoltaic power plant project.
Performance Features
Low Loss
With a specially designed scheme, no-load loss is reduced by 10% and load loss by 3–5% compared to the current national standard GB6451-2015, meeting national energy efficiency requirements.
Partial Discharge Free
By adopting a modern enterprise management model, all 110kV products are manufactured in dust-free environments. All internal metal and insulation components have rounded edges, ensuring partial discharge levels are controlled below 100 pC.
Low Noise
Based on the principles of noise generation, unique noise reduction measures are applied to different components. The self-cooled noise level is 3–5 decibels lower than the national standard.
Leakage Proof
All seals are made of acrylic ester material and are manufactured using a single-moulding technique, resulting in a seamless design. They are tested for leaks using fluorescent, positive pressure, and negative pressure methods.
Manufacturing Process
Seven-Stage Thermal Management Technology
Insulation thermal control, fluid circuit thermal control, overload thermal control, core thermal control, sealing thermal control, component thermal control, and short-circuit thermal control.
High-Temperature Hybrid Insulation System
Temperature field analysis software determines coil hotspot distribution, enabling optimal selection of insulation materials with varying temperature ratings. This ensures all components of the transformer's insulation system achieve a service life exceeding 30 years.
Fully Automatic Stacking
The robot automatically laminates, using a fully slanted 45-degree 7-level step joint structure, which improves the lamination efficiency and quality of the transformer laminations.
Testing and Inspection Technology.
Testing & Inspection
The company operates 2 CNAS-accredited laboratories and 1 TÜV Rheinland witnessed testing lab. All products undergo rigorous testing according to relevant standards and customized client requirements before shipment.
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