Conduction in conductors and semiconductors Mobility μ: In good conductors like metals, free electrons exist in abundance. They are supposed to be…
The performance of a d.c. motor under various conditions can be judged by the following characteristics i) Torque – Armature…
In this type of motor, the series field winding is connected in series with the armature and the supply, as…
When the field winding is connected in parallel with the armature and the combination across the load then the generator…
According to this theory, any alternating quantity can be resolved into two rotating components which rotate in opposite directions and…
Similar to a three phase induction motor, the various tests can be performed on single phase induction motor. The results…
When the field winding is supplied from external, separate d.c. supply i.e. excitation of field winding is separate then the…
Energy-band Concepts of Materials The electron energy levels for a single free atom in a gaseous medium are discrete, since…
1.4.1 Active distribution networks Figure 1.1 is a schematic of a simple distribution network with distributed generation (DG). There are…
Effect of Slip on Rotor Parameters 4. Effect on Rotor Power factor From rotor impedance, we can write the expression…