Oil immersed transformer 500KVA - Exportimes.com

Supplier Details

Hunan Huarui Electric Co., Ltd.  

Year Established:2013

Business Type:Manufacturer

Management Certifiation:

Operational Address:
(Tea Garden Slope Community) Room 306, Building 002, No. 115, Laodong East Road, Yuhua Dist., Changsha, Hu'nan, China (Mainland)

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Oil immersed transformer 500KVA

Oil immersed transformer 500KVA
  • Oil immersed transformer 500KVA
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Min.Order Quantity: 1 Set/Sets Supply Ability: 200 Set/Sets per Year Port: SHANGHAI Payment Terms: L/C,D/A,D/P,T/T

Product Details


Coil Number : Autotransformer
Coil Structure : Other
Phase : Three
Usage : Power
Model Number : S9/S11
Brand Name : VARELEN
Place of Origin : Hunan, China (Mainland)


Quick Details

  • Place of Origin: Hunan, China (Mainland)
  • Brand Name: VARELEN
  • Model Number: S9/S11
  • Usage: Power
  • Phase: Three
  • Coil Structure: Other
  • Coil Number: Autotransformer
  • Standard: IEC60076
  • Rated capacity: 500 KVA
  • Frequency: 50/60Hz

Packaging & Delivery

Packaging Details: wood case with plastic bag
Delivery Detail: 15 days

ROUTINE TEST to IEC 60076 (to be done during acceptance testing at factory)

• Measurement of winding resistance
• Ratio test
• Vector group
• Separate source voltage withstand test
• Induced over-voltage
• Insulation resistance
• Oil leakage test on fully assembled transformer for 12 hours
• Measurement of impedance voltage
• Magnetic balance
• Measurement of no-load loss and current
• Measurement of load loss (at normal & extreme taps)
• Tests on on-load tap-changer
• Tests on on-load tap-changer remote control panel
• Efficiency at 50%, 75%, 100% loading at unity p.f and rated terminal voltage (Corrected to 75C)
• Lightning impulse withstand test


Type Tests to IEC 60076 (to be done during acceptance testing at factory)
• Temperature rise test – To be performed on one unit during acceptance testing.
Lightning Impulse Withstand Test is already listed under Routine Tests as per IEC 60076.



Company Profile

No115,East Laodong Road Yuhua District, Changsha,Hunan, china


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