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High frequency Oil lmmersed Transformer

In demanding industrial and commercial applications where power quality and system stability are paramount, the High frequency three phase Transformer stands as a cornerstone of reliable electrical infrastructure. Specifically engineered for superior performance, this advanced transformer technology ensures efficient voltage conversion and isolation in challenging environments. For operations requiring substantial power capacity, our 1000kVA Oil lmmersed Transformer offers a robust solution, delivering the necessary kVA rating with the proven cooling and insulation benefits of oil immersion. As a three phase 1000kVA Transformer, it provides balanced power distribution essential for heavy machinery, data centers, and large-scale manufacturing facilities, minimizing losses and enhancing overall system lifespan.


The High frequency Oil Immersed Transformer represents a significant advancement in electrical engineering, combining the cooling efficiency of dielectric oil with design optimizations for high-frequency operation. This unique synergy results in a device with exceptional thermal management, reduced audible noise, and enhanced dielectric strength. The oil serves a dual purpose: it effectively dissipates heat generated by core and coil losses, and it provides superior insulation, protecting the internal windings from moisture, oxidation, and electrical stress. This design is particularly effective in stabilizing performance under variable loads and in non-ideal grid conditions, making the High frequency Oil Immersed Transformer a dependable choice for ensuring continuous power supply and protecting sensitive downstream equipment.

Core Technical Specifications & Features

Parameter Specification Notes / Standard
Rated Power Up to 5000 kVA Custom ratings available (e.g., 1000kVA)
Primary Voltage Up to 36 kV As per customer requirement
Secondary Voltage Up to 15 kV As per customer requirement
Frequency 50/60 Hz & High-Frequency Designs Stable performance at specified high frequencies
Vector Group Dyn11, Yyn0, Others Per IEC 60076-1
Insulation Class Class A (105°C) to Class H (180°C) Material dependent
Impulse Level Up to 170 kV BIL Lightning impulse withstand
Sound Level < 65 dB(A) typical Measured at 1 meter
Cooling Method ONAN (Oil Natural Air Natural) Other types (ONAF, OFAF) available
Standards Compliance IEC 60076, IEEE C57, ANSI Certifications available upon request

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