Conduction in conductors and semiconductors Mobility μ: In good conductors like metals, free electrons exist in abundance. They are supposed to be accelerated under…

The performance of a d.c. motor under various conditions can be judged by the following characteristics i) Torque – Armature current characteristics…

In this type of motor, the series field winding is connected in series with the armature and the supply, as shown in…

When the field winding is connected in parallel with the armature and the combination across the load then the generator is called…

According to this theory, any alternating quantity can be resolved into two rotating components which rotate in opposite directions and each having…

Similar to a three phase induction motor, the various tests can be performed on single phase induction motor. The results of these…

When the field winding is supplied from external, separate d.c. supply i.e. excitation of field winding is separate then the generator is…

Energy-band Concepts of Materials The electron energy levels for a single free atom in a gaseous medium are discrete, since the atoms…

1.4.1 Active distribution networks Figure 1.1 is a schematic of a simple distribution network with distributed generation (DG). There are many characteristics…

Effect of Slip on Rotor Parameters 4. Effect on Rotor Power factor From rotor impedance, we can write the expression for the…