What is a short compound motor?

In short-shunt compound motor, the shunt field is connected only across the armature winding as shown below. Here, the series field current will same as the supply current i.e., I = Ise, and the supply current will be the sum of the armature and shunt field currents i.e., I = Ia + Ish.

What is short shunt DC compound motor?

In case of short shunt compound wound DC motor, the shunt field winding is connected in parallel across the armature winding only. And series field coil is exposed to the entire supply current, before being split up into armature and shunt field current as shown in the diagram below.

What is a compound wound DC motor?

Definition. Compound DC motor is a compound of both series and shunt motor. It is consist of a Series field coil, which is connected in series with the armature field winding, and a shunt field coil winding, which is connected in parallel with the armature field winding.

What is short shunt compound DC generator?

Short Shunt compound dc generator is in which only shunt field winding is in parallel with the armature winding. Long Shunt compound dc generator is in which shunt field winding is in parallel with both series field and armature winding.

Where are DC compound motors used?

Compound motors due to their ability to perform better on heavy load changes are used in elevators. Due to their high starting torque and better speed control for pressure variations, they are used in shears and punches.

How does DC compound motor work?

With a DC compound motor, the majority of the field is wound for a shunt field but with a few turns of series winding on top. The shunt is connected across the field supply and the series turns are connected in series with the armature. This provides a motor with a combination of the shunt and series characteristics.

What is the difference between shunt and compound motors?

With a DC compound motor, the majority of the field is wound for a shunt field but with a few turns of series winding on top. The shunt is connected across the field supply and the series turns are connected in series with the armature.

Where is DC shunt motor used?

A DC shunt motor is used in applications where a constant speed and high torque is required, such as a paper manufacturing unit, Lathe Machines, Centrifugal Pumps, Fans, Lifts, Weaving Machine, Spinning machines, Blowers Conveyors etc.

Why it is called short shunt?

One is a long shunt compound generator, and another is a short shunt compound generator. If the shunt field is connected in parallel with the armature alone then the machine is called the short compound generator.

How do DC motors work?

When the motor is powered by DC current, a magnetic field is created within the stator, attracting and repelling the magnets on the rotor. This causes the rotor to start rotating. To keep the rotor rotating, the motor has a commutator.

Where are DC motors used?

Series DC motors are generally used where high starting torque is required, and speed variations are possible. These types of direct connection motors are, for instance, used in the traction system, cranes, air compressors, vacuum cleaners, sewing machines, etc.