The voltage equation of a d.c. motor is given by, V = Eb + Ia Ra Multiplying both sides of the above…
Q. Principle of operation of a generator? A. An electric generator is a machine that converts mechanical energy into electrical…
Electrical Engineering Interview Questions Part 1 Electrical Engineering Interview Questions Part 2 Electrical Engineering Interview Questions Part 3 Electrical Engineering Interview Questions Part 4…
Let us consider the following two cases: Equal voltage ratios. Unequal voltage ratios. 1.39.1 Equal Voltage Ratios Assume no-load voltages EA and EB are…
To determine the rise of maximum temperature of a transformer, its load test is of utmost importance. Using suitable load…
1.Introduction An electric motor is a device which converts an electrical energy into a mechanical energy. The motors operating on…
The torque produced in the induction motor depends on the following factors : 1. The part of rotating magnetic field…
As the induction motor is located from no load to full load, its speed decreases hence slip increases. Due to…
Transformer oil is a mineral (clean hydrocarbon) oil, which is obtained by refining crude petroleum. It has the following purposes:…
During no-load condition, induced voltages at the primary and secondary windings are equal to the applied voltage and secondary terminal…