Vapour Phase Drying Plant
At PROVAC, we take pride in our innovative solutions for transformer manufacturing, and our Vapour Phase Drying Plant is a testament to our commitment to excellence. Our cutting-edge plant employs state-of-the-art technology to ensure the highest quality insulation for transformers. By utilizing the vapour phase drying method, we eliminate moisture-related issues, improving the overall performance and reliability of transformers. With a focus on efficiency and precision, our Vapour Phase Drying Plant ensures optimal insulation while reducing production time and costs. Trust PROVAC for top-notch transformer manufacturing solutions that meet industry standards and exceed customer expectations.
Advantages of Vapour Phase Drying Plant
- Most efficient method of drying the power transformers.
- Energy saving due to shorter and more efficient drying method.
- 50 – 70 % reduction of drying time.
- Less de-polymerization of insulation paper due to drying under vacuum.
- Cleaning of the active part from old transformer oil during heating up and drying.
- Less residual moisture in the insulation – compared to conventional drying (<0, 3%)
The Vapour Phase Drying plant are divided into sub modules. Each Module e.g. Solvent storage, evaporator heating, solvent separation and condensation are completely piped, wired and pre-tested at our workshop. This concept convince with a fast, easy and safe installation of the plant
The basic operation of the vapour phase drying plant involves the following phases.
- Rough Vacuum Phase
- Heating phase
- Intermediate pressure reduction phase
- Pressure lowering phase
- Fine vacuum phase
Transformer core and coil is evacuated less than 10mbar by means of vacuum pumping unit, solvent is vaporized by means of evaporator, and vapours are allowed to spread on the transformer coils, in order to remove moisture intermediate pressure reduction stages are performed then fine vacuum is applied to extract the moisture and vapour.
