Time and Energy Loss in Transient Operations: Starting, braking, speed change and speed reversal are transient operations. Time and Energy Loss in Transient Operations can be evaluated by solving Eq.…
Discrete Time Signals and Linear Systems Interview Questions and Answers: 1. What do you understand by the terms: signal and signal processing? Ans. Signal: A signal is defined as any…
Amplidyne (Rotary Amplifier) - Definition, Construction, Connection Diagram, Workings and Applications: The amplidyne is a rotary amplifier in which a small amount of power supplied to excite the field is…
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…
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…
Arc Furnace - Definition, Types, Advantages and Application: When a high voltage is applied across an air gap, the air in the gap gets ionised under the influence of electrostatic…
Resistance Heating - Types, Advantages and Applications: Resistance heating is based upon the I2R effect. This method of heating has wide applicaÂtions such as heat treatment of metals (annealing, hardenÂing…
Starting and Speed Control of DC Traction Motors: Starting and Speed Control of DC Traction Motors - As already discussed, only series and compound dc motors are suitable for traction…