Quick Details

• Place of Origin: Hunan, China (Mainland)
• Brand Name: Varelen
• Model Number: KBSG
• Usage: Power
• Phase: Three
• Coil Structure: Toroidal
• Coil Number: Autotransformer
• Rated voltage: 6KV/10KV
• Rated capacity: 50kva-2500kva
• Frequency: 50Hz/60Hz
• cooling: ONAN/ ONAF/ OFAF

Packaging & Delivery

Packaging Details:	wood case with plastic bag
Delivery Detail:	20 days

 

REFERENCES

ISO 1461: Hot dip galvanized coatings on fabricated iron and steel articles – Specifications and test methods.
IEC 60076: Power transformers.
IEC 60044: Instrument transformers.
IEC 60296: Specification for unused mineral insulating oil for transformers and switchgear.
IEC 60354: Loading guide for oil – immersed power transformers.
IEC 60214: Tap-changers - Part 1: Performance requirements and test methods, Part 2: Application guide.
IEC 60512: Connectors for electronic equipment.

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

 

Hunan Huarui Electric Co., Ltd.

Basic Information

Business Type:

Main Products:transformer,substation

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

Total Employees: 11 - 50 People

Year Established: 2013

Trade Information

Top 3 Markets:

Accepted Payment Currency:

Nearest Port:

Average Lead Time:

Overseas Office: No

Company Pictures

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