Standard terminal markings, as developed by NEMA, are given for series, shunt and compound motors in figure 1, figure 2 and figure 3 respect...

Procedure for reversing direct current motors Direct current motors are reversed by changing the direction of current flow through the arm...

Nearly all shunt and compound motors of 1/2 horsepower or more have commutating fields or interpoles located between the main poles. These i...

Figure 1: Two-pole compound DC motor The motor shown in figure 1 above is one of the four different types of compoun...

Connecting Direct Current (DC) Motors It is of utmost importance to firstly know and understand the various internal configuration of the ...

Fundamental types of Direct Current (DC) motors: 1.) Series Field DC Motor - The series field DC motor contains field coils composed of a...

Direct Current Motors - DC Motors are used to convert DC energy into mechanical energy. They are well suited for use as either constant-spee...

Example 1 : The field winding of a shunt DC (Direct Current) motor has a resistance of 110 ohms, and the emf (electro-motive force) applied...