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
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
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
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
Ferrite Core Transformers- Types & Applications
What are Ferrite Core Transformers? Ferrite core transformers are made from ferrite materials. The ferrite core transformer is used for higher-frequency applications. The power transformer is
Working or Operating Principle of DC Motor
The DC motor converts electrical energy into mechanical energy. The input power to the DC motor is DC power. The DC motor works on the
Interharmonics in Power System
Power electronics are widely used nowadays to improve system efficiency, flexibility, and reliability. The semiconductor devices used in power electronics are nonlinear devices, and the
Torque Equation of DC Motor- Its Derivation
When the current-carrying conductor is placed in the magnetic field, the conductor experiences a force that exerts a turning moment or torque F x r.
Crest Factor: Definition, Formula and its Significance
Definition- The crest factor, also known as the peak factor, is the ratio of the peak value to the root mean square (RMS) value of
What is Form Factor? Form Factor Formula & its Derivation
What is Form Factor? Definition: The ratio of the root mean square value to the average value of an alternating quantity (current or voltage) is