Outdoor Dry Type Transformer

Outdoor Dry Type Transformer

Transformer Details: 1. Rated voltage:6.3kV,10kV,11kV,13.2kV,13.8kV,15kV, 20KV, 22KV, 33KV,35KV 2. Rated power:5kva ~ 25000kva 3. Standard:IEC60076,GB1094-1996 4. Frequency:50HZ /60HZ 5. Vector group:Dyn11, Yyn0, Ynd11, or others 6. Cooling:ONAN/ ONAF/ OFAF 7. Tap changer:3 levels; 5 levels; 7...

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Transformer Details:

1. Rated voltage:6.3kV,10kV,11kV,13.2kV,13.8kV,15kV, 20KV, 22KV, 33KV,35KV

2. Rated power:5kva ~ 25000kva

3. Standard:IEC60076,GB1094-1996

4. Frequency:50HZ /60HZ

5. Vector group:Dyn11, Yyn0, Ynd11, or others

6. Cooling:ONAN/ ONAF/ OFAF

7. Tap changer:3 levels; 5 levels; 7 levels; 13 levels; 17 levels

8. Rating plate:Yes

9. Corrugated refrigeration panels:Yes ( Four sides of the transformer shell)

10. Parts:1)Oil draining valve 2)Oil level indicator 3)Thermometer


About Our Company:

1. 15 years' manufacturing experience

2. Won tenders aboard

3. IEC 60076 andISO certificate

4. OEM / ODM

5. Competitive price with 100% Cu winding

6. Production capacity: 10,000,000 kVA per year


Reference:

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 switch gear.

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:

• 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 and 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

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