Hysteresis Loss and Eddy Current Loss in Transformer: When a magnetic material undergoes cyclic magnetization, two kinds of power losses occur in it Hysteresis Loss and Eddy Current Loss in…
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,…
Electric Motor Power Loss and Heating: An Electric Motor Power Loss and Heating occurring in its various parts such as copper losses occurring in armature and field and eddy currents…
DC Motor Losses and Efficiency: The Losses and Efficiency of a transformer have been studied in earlier lesson. As in the case of transformers, it is more accurate to determine…
Different types of losses in transformer: The transformer has no moving parts so that its efficiency is much higher than that of rotating machines. Different types of losses in transformer…
Magnetic Contactor - Definition, Working Principle and Types: Magnetic Contactor is a electromagnetically operated switches that provide a safe and convenient means for repeatedly making and breaking branch circuits. The…
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 4: 152. For arc heating, the electrodes used are made of (a) copper. (b) graphite. (c) tungsten. (d) aluminium. Answer…
Synchronous Motors Types: Commonly used Synchronous Motors Types are: wound field, permanent magnet, synchronous reluctance and hysteresis motors. All these motors have a stator with a 3-phase winding, which is…