Bharti Electricals

FOCAL POINT, Ludhiana, Punjab

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Dry Type Transformer

Pioneers in the industry, we offer Dry Type Transformer from India.

Dry Type Transformer
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Dry Type Transformer

Rs 5 Lakhs / UnitGet Latest Price

Product Brochure

PhaseThree Phase
Power/Capacity50 kVA to 5000 kVA
Frequency50-60 Hz
Body MaterialMS
Winding MaterialCopper
Voltage11 kV & 33 kV

In view of the requirement of Indian Industry, we have introduced Cast Resin (Dry Type) Transformers. This introduction supplements our existing product viz. Vacuum Resin Impregnated Dry Type Transformers. Dry Type Transformers of both the above varieties are in use.
StandardsThe Dry Type transformer are manufactured to comply with National International Standards BIS, IS 11171, IEC 76
BHARTI manufacture Ventilated Dry Type Transformer are totally maintenance free and safe from fire as material used are metals, ceramics, fiberglass and resin It is environment friendly as there is no oil, hence handing becomes easier and there are no chances of spillages and leakages and there is minimal non toxic smoke in case of fire.
BHARTI offers Ventilated Dry Type Transformers with class H/E insulation which canbear heat upto 180/220 degree C and can be used in humid and chemically polluted atmosphere.
Manufacturing Process:Manufacturing Process CoreThree limb core construction is used. Core sheets conforming to drawings are made from Cold Rolled Grain Oriented (CRGO) Silicon Steel sheets. Individual sheets come duly coated with inorganic insulation. Circular Core cross section is used which is obtained by assembling number of steps of different widths. Number of steps and step widths are optimized to gain maximum advantage. Mitred joints are used between the limb plates & yoke plates. Fibre -glass tape banding hold the core tight and reduce the noise level. Treatment given to the completed core, protects it from atmospheric corrosion.
Windings:Both the H.V. and L.V. windings are made from copper conductors. Round wire, rectangular strip or foil is used depending on current to be carried. Layer type or cross over type winding is used depending on current / voltage to be handled. Windings are cast under vacuum. 
On the H.V. side, inserts are provided to receive tap changing links. Inter connections between H.V. phases are obtained by links made out of copper tubes with their ends formed into lugs. These links are insulated by means of heat shrinkable tubes.
Testing:All transformers are tested for routine test. BHARTI has in-house facilities for conducting all routine tests as per IEC & IS.
Advantages:High level of safetyNo flammable liquidsNo pollution from leaks solutionNo toxic off-gassesCan be placed close to the load

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