As with most of electrical equipment, the key causes of failure of power transformers are either due to electrical failure…
AC generators can be utilized in high precision control systems. The AC generator rotor is rotated by the rotating shaft…
Option 1: With a Toggle Switch Let’s consider a simple three-phase, 480V AC motor control circuit consisting of a contactor,…
Testing is usually performed on DC machines to establish efficiency and power losses. A brake test is a direct technique…
Instrument transformers are used in the measurement of voltage, current, energy, and power in ac circuits. The main reasons why…
Introduction The transformer, in simple terms can be defined as the voltage regulator. It helps in stepping up and stepping…
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…
