What Is Buchholz Relay? Buchholz relay is a mechanically operated relay that is used to protect the transformer from internal faults that occur inside the transformer tank like an inter-turn fault. Buchholz relay is an oil and gas-operated device. The…
Auto transformer is a transformer in which part of the winding is common to both the primary winding circuit and a secondary winding. In normal two winding transformers, primary and secondary winding are electrically isolated but in the case of an autotransformer,…
What is Soft Starter? Soft Starters are starting devices, used for the acceleration, deceleration, and protection of the three phase electrical induction motors through the controlling applied voltage to 3 phase motor.Induction motor is the most frequently used motor for industrial…
A star delta starter is a type of motor starter that is used to control the starting and stopping of three-phase induction motors. It is commonly used in industrial applications where motors of large power ratings are used. In this…
What is a Lightning Strike and the Phenomenon of lightning Lightning has been a source of curiosity for humans for thousands of years. lightning is a discharge of electrical charge between cloud and ground, the height of the cloud above ground…
V/F Ratio in Variable Frequency Drives (VFDs) Variable Frequency Drives (VFDs) are extensively used in industrial and commercial applications to control the speed and torque of AC induction motors. One of the fundamental concepts that underpin the efficient operation of…
The DOL starter, also known as the Direct On-Line starter, is a widely used method for starting a 3-phase induction motor. It provides a simple and cost-effective solution for initiating motor operations. In this comprehensive guide, we will explore the…
Armoured cable is a special cable that designed to give extra protection and reliability for wiring system. Generally armoured cable is used when cable may be subjected to harsh environment, or where there is risk of mechanical damage.This article explains…
Electrical safety is the main aim of any residential or commercial electrical installation. To prevent electrical shocks and identify insulation failures of electrical appliances, the ELCB full-form Earth Leakage Circuit Breaker is used. Generally available at different ratings 16A,32A, 40A,…
VFD block diagram showing rectifier , intermediate circuit and inverter