Testing is usually performed on DC machines to establish efficiency and power losses. A brake test is a direct technique…
Let’s consider the functional diagram below: Figure 1 DC motor power op-amp speed controller functional diagram The D/A converter outputs…
A stepper motor is a permanent magnet or variable reluctance DC motor that has the following characteristics: It is able…
When selecting a motor for a specific industrial application, there are several factors and specifications that you should consider. We…
We can control the speed of a motor using an open loop control or closed loop control strategy. The open…
A compound motor is a combination of a series and a shunt-wound motor. Compound-wound motor (long shunt) Compound-wound motor (short…
In the shunt motor, the motor winding is in parallel with the armature. Shunt-wound motor From the figure above, the…
The dc series motor has its windings and armature connected in series across the supply. DC series motor From the…
Power electronics deals with the applications of solid-state electronics for the control and conversion of electric power. The conversion techniques…
For motors up to a few kilowatts the armature converter draws power from either a single phase or 3-phase utility…
