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International Journal of Emerging Trends in Electrical and Electronics (IJETEE)
The paper describes the use and importance of VFD drive in firing of ceramic insulators. The ceramic insulators undergo certain physical treatments before being subjected to some mechanical and electrical test. Heat treatment is the most important one. This treatment makes the insulator durable, bonded and moisture less. The heating process is generally carried out in kiln. It requires gas or oil as fuel and air as medium. Volume of air pumped into the kiln is controlled by air blower motor,fatcat:voa3codbzzfutcwcoxi3bfqz5e