What is Active, Reactive, and Apparent Power?
Active Power The power drawn by the load to do work is called the True power, Active power, or real power. When electrical energy is … Read more
How to Change the Direction of Rotation of DC Series Motor?
In this post, we will discuss how to change the direction of rotation of the DC Series Motor. The rotational force of the DC motor … Read more
What is no load Current of Induction Motor?
The current drawn by the induction motor when it is not coupled to the driven equipment is called the no-load current of the motor. The … Read more
Current Transformer – Construction, Phasor and Errors
This article describes the current transformer – construction, Phasor, and Errors. Current transformers are widely used for measuring high currents. The Current transformer steps down … Read more
Why is armature of alternator connected in Star not in Delta?
The alternator armature winding must be protected from earth faults. The earth fault protection scheme for an alternator whose armature winding is connected in a … Read more
EMF Equation of Alternator and AC Generator
An alternator or AC generator produces an AC supply. In other words, the generator or alternator converts mechanical energy into electrical energy. The rotor rotates … Read more
Thermistor: Definition,working principle and applications
What is a Thermistor? A thermistor is a type of thermal resistor whose electrical resistance increases or decreases with a change in temperature. Thus, the … Read more
Direction of Rotation of DC Motor
The Direction of rotation of the DC Motor can be reversed by reversing the direction of torque of the motor. When the motor exerts torque … Read more
Why Three Phase Induction Motor Self-Starting?
When a three-phase supply is fed to the stator of an induction motor, the stator draws current from the 3-phase supply, which produces the magnetic … Read more
What is Skin Effect? Factors affecting the skin effect
When the DC current flows through the conductor, the charge distribution throughout the conductor cross-section is uniform, and the current gets evenly distributed. Direct current … Read more