Voltage Regulation Of Transformer
With constant voltage applied in primary, the secondary terminal voltage will decrease due to voltage drop across its internal resistance and leakage…
Types Of Transformers
A transformer may be step up or step down. If the output voltage is greater than the input voltage, the transformer is…
Why Synchronous Motor Is Not Self Starting
Consider the rotating magnetic field as equivalent to physical rotation of two stator poles N1 and S1. Consider an instant when two poles…
Working Principle Of 3-Phase Induction Motor
Eduction motor works on the principle of electromagnetic induction. When a three phase supply is given to the three phase stator…
Parallel Operation Of Generators
The generating station either of d.c. type or of a.c. type, normally consists of number of smaller generators operating in parallel instead…
Types Of Armature Winding In Dc Generator
We have seen that there are number of armature conductors, which are connected in specific manner as per the requirements, which is…
Winding Terminologies In Dc Generator
a) Conductor : It is the actual armature conductor which is under the influence of the magnetic field, placed in the armature slot.…
Introduction To Electrical Machine
An electrical machine is a device that convert the electrical energy into mechanical energy and vice versa. Transformer is also listed in…
Behaviour Of Synchronous Motor On Loading
When a d.c. motor or an induction motor is loaded, the speed of the motors drops. This is because the load torque…
Corona Mcq’s Interview Questions
Q.1 Corona is- A. Partial breakdown of air B. Complete breakdown of air C. Sparking between lines D. None of these Ans:…