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Oil Immersed Type Transformers Introduction

Jan. 13, 2022

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Oil immersed type transformers are manufactured and tested in accordance with IEC 60076 standards and can be further customized upon customer requests. The standard power range is 25 kVA to 10 MVA with a maximum voltage level of 36 kV. Requests greater than 10 MVA should be evaluated on a projects basis.


RATED POWERRATED VOLTAGEWINDING MATERIAL
up to 10 MVAup to 36 kVAluminium or copper


Core features

Manufactured in accordance with IEC, IEEE

Tested in accordance with IEC 60076

Further customization possible


   

In our factory we produce a wide range of oil immersed transformers to meet all customer requirements: distribution transformers, solar power plant transformers, wind turbine transformers, earthing transformers, dual voltage transformers, rectifier transformers, starting transformers, autotransformers, shunt reactors, serial reactors limiting short circuit current and multi winding transformers. Making what matters work.


Versatile accessories to customize your transformer

Our standard accessories include pressure relief valves, hermetic protection relays, wheels, high voltage cable boxes, low voltage cable boxes, contact oil temperature thermometers, Buchholz relays, magnetic oil level indicators and dehumidifiers. With these you can tailor our oil immersed transformers to your specific needs.


Thorough testing to ensure safe and reliable transformers

When it comes to delivering utility-grade power, proven reliability and safety are paramount. That's why we tests every transformer rigirously before delivering it to the customer. Aside from routine tests, we also offer type tests and specialized tests to meet all customer requirements. Making what matters work for our customers in a safe and reliable way.

Routine tests

Measurement of winding resistanceMeasurement of voltage ratio and check of phase displacement

Measurement of short-circuit impedance and load loss

Measurement of idle loss and current

Applied voltage test (AC)Induced voltage withstand test (IVW)

Measurement of DC. insulation resistance each winding to earth and between windingsLeak testing with pressure for liquid immersed transformers(tightness test)

Check of core and frame insulation

Type tests

Temperature rise test

Lightning impulse test (LI)

Determination of noise levels

Measurement of idle loss and current at 90 % and 110 % of rated voltage

Tank endurance and leakage test





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