Urja Techniques India Pvt. Ltd. Mumbai, Maharashtra

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Earthing Transformers

Earthing Transformers

Earthing Transformers

Earthing up to 2 MVA – 33 kV - Earthing transformers are used to create a neutral point in a three-phase system, which provides the possibility for neutral earthing. The earthing can be through an arc-suppression reactor, a neutral earthing reactor or resistor are directly in these earth transformers. Earthing transformers are usually oil immersed and may be installed outdoor. In cases where a separate reactor is connected between the earth transformer neutral and earth, the reactor and the transformer can be incorporated in the same tank.

Neutral earthing transformers are normally provided in the 3-phase system, which is without neutral and earth fault protection.

The neutral earthing transformer is having zig-zag (interstar) winding to achieve the required zero phase impedance. In addition, an auxiliary winding can also be provided to meet the requirement of auxiliary power supply in these electrical earthing transformers.

ONAN /ONAF cooling with conventional pressed steel radiators. The range includes up to 33 KV systems and as per the site requirements.


Technical Specification


Application of TransformerPower / Distribution / Furnace etc.
Capacity Of TransformerkV
Primary Voltage RatiokV
Secondary Voltage RatioFremycetin Sulphate B.P. 1% w/w
Type of TransformerOil Cooled / Air Cooled VPI or CRT
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Reselling End Use Raw Material

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    Pratap Varavadekar

    (Chairman And Managing Director)

    Urja Techniques India Pvt. Ltd.

    Wadala, Mumbai, Maharashtra, India

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