Efficiency of Transformer: Formula, Calculation & Maximum Efficiency Explained
The transformer is a vital link between the load and the supply. The efficiency of the transformer is very important in view of energy saving.
Derive EMF Equation of Transformer with Diagram and Examples
Understanding the EMF equation of transformer is essential to grasp how transformers work. When a sinusoidal AC voltage is applied to the primary coil, it
Why Making Current of Circuit Breaker is More than Breaking Current?
A circuit breaker is an essential protection device used to switch electrical circuits on and off and to isolate faulty sections in the event of
Rotating Magnetic Field in a 3-Phase Induction Motor
The stator of an induction motor consists of a number of overlapping windings offset by an electrical angle of 120°. When the primary winding or stator is
Application of Squirrel Cage And Slip Ring Induction Motor
Squirrel cage and slip ring induction motors are widely used in industrial and commercial applications due to their ruggedness and efficiency. While both are types
Why Induction Motor Takes High Starting Current?
Why does an induction motor take high starting current? When an electric motor starts, especially an induction motor, it draws a large amount of current.
Polarization Index(PI) Test and DA Test
The Polarization Index (PI) and Dielectric Absorption Ratio (DAR) tests are essential diagnostic tools for assessing insulation health in transformers and motors. The polarization index
Effect of Fan Regulator on Power Consumption
The effect of fan regulator on power consumption is an important consideration when aiming to save electricity at home. Many people wonder, “Does a fan
How to Calculate Burden of CT
The burden of the current transformer is expressed in VA. The total VA burden should be considered when CT is used for measuring or protection
Back EMF in DC Motor – Definition, Formula & Significance
The back EMF momentarily opposes the armature voltage when the speed of the DC motor is changed, and thus, it limits the armature current. Definition