Dielectric Heating - Working, Advantages and Applications: When non-metallic parts such as wood, plastics, bones are subjected to an alternating electrostatic field dielectric loss occurs. In dielectric heating use of…

High Frequency Eddy Current Heating - Working, Advantages and Applications: The articles to be heated are placed within a high frequency current carrying coil, alternating magnetic field is set up,…

Induction Furnace - Definition, Types, Working Principle and Advantages: In induction heating effect of currents induced by electromagnetic action in the charge is employed. The heat developed depends on the…

Resistance Heating - Types, Advantages and Applications: Resistance heating is based upon the I2R effect. This method of heating has wide applica­tions such as heat treatment of metals (annealing, harden­ing…

Different Groups of Systems of Electric Traction: As already mentioned, systems of electric traction may be divided into two main groups. (1) The group consisting of vehicles which receive electric…

Thyristorised Control of DC Electric Traction Motor: The modern trend is towards the use of dc motors (both separately excited and dc series motors) equipped with thyristor chopper control. The…

What is Metadyne Control? - Construction, Working and Applications: The metadyne control system is based on constant current system of speed control. In resistance control or series- parallel control a…

What is Transition Method in Electric Traction? The methods of changing-over the connections from one grouping to another are known as transition method. The change-over from full series (when the…