Troubleshooting of Star-Delta Starter
This article describes the troubleshooting of the star-delta starter. Star Delta starters are widely used in electrical installation for starting large-rating squirrel cage induction motors
Why is DC voltage applied in an insulation resistance test?
This article describes why DC voltage is applied in an insulation resistance test. Insulation acts as a capacitor and If we apply DC voltage then
Total Harmonic Distortion(THD) & Its Measurement
Total harmonic distortion (THD) shows how much of a voltage or current distortion is due to harmonics in the signal. If the sinusoidal voltage is
What is Solid Grounding System? Definition
When the live point of the electrical power supply system, which is at zero potential under normal condition, is connected to earth point is called
Low Reactance Grounding
Adding inductive reactance from a neutral point to the ground is called reactance grounding. The inductive reactance is called the reactor. Using reactance it is
Current Divider Rule: What is it? Formula, Derivation & Examples
The current divider rule is used to find the current in the individual circuit when two or more circuit elements are connected in parallel with
Define Active, Reactive and Apparent Power
This article aims to define active, reactive, and apparent power & their importance in an electrical circuit. Active Power Definition: The power which is actually
Difference between Locked Rotor Current and Starting Current
This article describes the difference between the locked rotor current and starting current of a motor. An induction motor takes about 5 to 7 times
Anderson’s Bridge – Circuit Construction, Equation, Phasor Diagram, Advantages
In this article, we will discuss Anderson’s Bridge in electrical measurement. Here, we will cover the circuit diagram, equation, phasor diagram, and advantages and disadvantages
Energy stored in a Capacitor-Formula and Examples
In this article, we will derive the energy stored in a capacitor formula. The type of energy stored in a capacitor is electrostatic potential energy.