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Winding Process

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Product details

Yawei Oil-immersed Transformers: A Dual Commitment to Quality and Compliance

Yawei Transformers adheres to stringent quality standards, dedicated to delivering oil-immersed power transformers renowned for reliability and exceptional performance.

Every unit undergoes comprehensive acceptance testing before shipment—this commitment has enabled us to maintain a zero-failure record for over a decade, ensuring customers' equipment operates stably and worry-free.

Furthermore, our oil-immersed power transformers are designed and manufactured in strict compliance with international standards such as IEC and ANSI. This adherence not only guarantees compatibility with global power grid systems but also underscores our unwavering commitment to the highest standards of safety, efficiency, and durability.

Product Specifications
 
Rating 30000KVA
Type Substation Transformer
No. of Phases 3
Winding Configuration Delta – Wye / Wye – Wye/ Delta – Delta/ Wye – Delta
Vector Group As per requirement
Tapping Range ±2 x 2.5%/As per requirement
Winding Material Copper / Aluminum
Core Material Grain Oriented Silicon Steel Sheet
Impedance 5.75 %
Oil Temperature Rise 55 °C
Winding Temperature Rise 65 °C
Tap Changer Off-Load Tap Changer
IEEE Standards IEEE C57.12.00
Certification UL Listed
Routine tests of transformer include:
1.Winding resistance test of transformer
 
2.Transformer ratio test
 
3.Transformer vector group test
 
4.Measurement of impedance voltage/short circuit impedance (principal tap) and load loss (Short circuit test)
 
5.Measurement of no-load loss and current (Open circuit test)
 
6.Measurement of insulation resistance
 
7.Dielectric tests of transformer.
 
8.Tests on on-load tap-changer.
 
9.Oil pressure test on transformer to check against leakages past joints and gaskets

Yawei's Most Competitive Products:

Pad Mounted Transformer, Power Transformer, Distribution Transformer, Pole Mounted Transformer

If you have any inquiries, please contact me immediately.

 

 
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Jiangsu Yawei Transformer Co., Ltd.
  Audited supplier
4 month


Main Product: Power Transformer, Distribution Transformer , Pad Mounted Transformer, Pole Mounted Transformer, Substation Transformer, Dry Type Transformer