D.C. Series Motor
In this type of motor, the series field winding is connected in series with the armature and the supply, as shown in…
Conducts Tests On Single Phase Induction Motor
Similar to a three phase induction motor, the various tests can be performed on single phase induction motor. The results of these…
Split Phase Induction Motor
This type of motor has single phase stator winding called main winding. In addition to this, stator carries one more winding called…
Generation Of Induced Emf And Current
Figure 9 shows an insulated coil whose terminals are connected to a sensitive galvanometer (G). There is a bar magnet, AB, close to…
Cross Field Theory
Consider a single phase induction motor with standstill rotor as shown in the Fig. 1. The stator winding is excited by the…
Equivalent Circuit Of Single Phase Induction Motor
The double revolving field theory can be effectively used to obtain the equivalent circuit of a single phase induction motor. The method…
Shaded Pole Induction Motor
This type of motor consists of a squirrel cage rotor and stator consisting of salient poles i.e. projected poles. The poles are…
D.C. Compound Motor
The compound motor consists of part of the field winding connected in series and part of the field winding connected in parallel…
Torque Equation Of A D.C. Motor
It is seen that the turning or twisting force about an axis is called torque. Consider a wheel of radius R meters…
Construction Of Single Phase Induction Motor
For general lighting purpose in shops, offices, houses, schools etc. Single phase a.c. supply is commonly used. Hence instead of d.c. motors,…