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What is Vapor Phase Drying?

Vapor Phase Drying is a process of removing the moisture from the insulation by using advanced technology in transformer drying. It also uses hydrocarbon to add heat concurrent with vacuum drying. It generally uses Kerosene to shift the heat to the transformer.

Vapor Phase Drying (VPD) can be used to dry transformers of various types like

  • Power Transformers
  • Instrument Transformers
  • CT & VT
  • Bushings

Process of Vapor Phase Drying of Transformer

Process of Vapor Phase Drying is using Hydrocarbon Vapor (Kerosene) to transfer the heat to the transformer. Since Vapors can reach the most difficult areas of the transformer the drying results are optimum and even. Drying of transformers is done under vacuum to achieve the best results.  The process is automatic and programmable by PLC system.

For more information about our process download the Brochure or feel free to contact us.

Advantages of Vapour Phase Drying Process

• Drying of Insulation in Various Electrical Parts is required and can take up to 3 weeks by conventional air heating in air & vacuum. VPD can accomplish the same drying in as little as 2 days
• In VPD both heating and drying take place simultaneously.
• Solvent vapors can reach the coldest part of the transformer
• Rapid heating rate e.g. VPD 500-1000 W/m2 oc compared to Air 5-10 W/m2 oc
• Uniform heating to all components of an assembled electrical equipment
• Savas offers modular skid mounted system, designed for optimised installation and maintenance.

AMC and Upgradation 

Savas Offers AMC of existing Vapor Phase Drying Plant by any manufacturer. From maintenance to upgradation to optimisation to preventive maintenance to overhauling, Savas offers all services to get full use of your existing VPD systems.

Savas also offers services to convert existing Vacuum Drying Oven to Vapor Phase Drying System.

For more information/ brochure request/ product demo fell free to contact us.

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