DC Shunt Motor: Construction, Working, Applications & Advantages
What is DC Shunt motor? One of the most popular kinds of DC motors is a DC shunt motor, in which the armature winding and field windings are connected in parallel (shunt). The motor has steady speed characteristics under different…
DC Series Motor: Working, Construction, Applications, and Advantages
What is DC series motor? A DC series motor is a particular kind of DC motor where the armature winding and field winding are connected in series. This indicates that both windings are receiving the same amount of current. A…
What is SCR – Working, components, applications
What is an SCR (Silicon-Controlled Rectifier)? A four-layer semiconductor device called a silicon controlled rectifier (SCR) controls the flow of electrical power by acting as a switch. SCRs are within the category of thyristors, which are semiconductor devices used in…
IGBT working principle types circuit
What is IGBT? An IGBT, or insulated gate bipolar transistor, is a three-terminal semiconductor device that is primarily used as an electronic switch. It combines the simple gate drive characteristics of a MOSFET with the high current and low saturation…
What is an Ac motor? working, types, and applications
What is an Ac motor? Electric ac motor play a vital role in almost every industry and household appliance we use today. Of the different types of electric motors, the alternating current (AC) motor is one of the most common…
DC Generator – A Comprehensive Overview
Introduction of DC Generator A DC generator is an electrical machine that converts mechanical energy into (DC) energy. It works on the principle of electromagnetic induction, where a conductor moving within a magnetic field produces an electromotive force (EMF). DC…
AC Generator – A Comprehensive Overview
Introduction of AC Generator An AC generator is an electrical machine that converts mechanical energy into electrical energy. It plays a vital role in generating electricity for homes, industries, and commercial uses. The principle of operation is based on electromagnetic…
Earthing System A Comprehensive Overview
What is Earthing? In any electrical installation, the earthing system (also known as grounding) plays a vital role in ensuring safety, system performance, and protection from electrical hazards. It is the process of connecting parts of an electrical system to…
Soft Starters Working, types, applications
What is Soft starters? Soft starters work by regulating the voltage supplied to the motor during start-up. This is achieved by using thyristors or Silicon-controlled rectifiers (SCRs) that gradually increase the voltage from zero to full operational levels. By controlling…
Micrologic Trip Unit Comprehensive Overview
What is Micrologic Trip Unit? Micrologic Protection is an advanced digital protection system embedded within Air Circuit Breakers (ACBs). This technology replaces traditional electromechanical protection devices with microprocessor-based systems that offer precise, adjustable, and customizable protection features. Micrologic is essentially…
IDMT Relay Working, types, and applications
Introduction of IDMT Relay An IDMT (Inversely Definite Minimum Time) relay is a type of protective relay that is commonly used in electrical systems to protect circuits from faults such as overloads or short circuits. Its operation is based on…
Vacuum circuit breaker A Comprehensive Guide
What is vacuum circuit breaker? A vacuum circuit breaker (VCB) is a type of circuit breaker that uses vacuum as a dielectric medium to interrupt electrical current. Vacuum circuit breakers are commonly used in electrical systems for their ability to…
SF6 circuit breaker- A Comprehensive guide
What is SF6 circuit breaker? SF6 circuit breaker is a type of electrical protection device that uses sulfur hexafluoride (SF6) gas as an insulating and arc extinguishing medium. SF6 circuit breakers are widely used in high-voltage and medium-voltage electrical networks…
Molded Case Circuit Breaker- A Detailed Guide
What is Molded Case Circuit Breaker? A Molded Case Circuit Breaker (MCCB) is a type of electrical circuit protection device designed to automatically protect electrical circuits from overcurrent, short circuits, and overloads. The term “molded case” refers to the protective…
Air Circuit Breaker-A Comprehensive Guide
What is Air Circuit Breaker? An air circuit breaker (ACB) is an electrical device used to provide protection against overcurrent and short circuits in low-voltage electrical systems. Unlike other circuit breakers, ACBs use air as an arc extinguishing medium, which…
Electric Motor Protection Detailed Overview
What is Electric Motor? Electric motor are the backbone of industrial, commercial, and residential applications, powering everything from conveyor belts to HVAC systems. However, motors are susceptible to a variety of electrical and mechanical faults that can lead to malfunction,…
Earth Fault Relay A Comprehensive guide
What is Earth Fault Relay? An earth fault relay is an essential protective device used to detect and respond to earth faults in electrical systems, ensuring the safety of electrical installations and preventing damage to equipment. An earth fault occurs…
Ferranti Effect in Transmission Lines
What is Ferranti Effect in Transmission Lines? The Ferranti Effect is a phenomenon that occurs in long-distance high voltage transmission lines. It is a condition where the voltage at the receiving end of the line becomes higher than the voltage…
Corona Effect A Comprehensive Overview
What is Corona Effect in Transmission Lines? The corona effect is a phenomenon that occurs when the electric field around a transmission line becomes strong enough to ionize the air surrounding the conductor. This ionization produces a visible blue or…
What is Skin Effect in Transmission Lines
What is Skin Effect in Transmission Lines? This effect becomes increasingly important at high frequencies. Skin effect has practical implications in the design of transmission lines, electrical systems, and signal transmission, affecting the efficiency and performance of power systems, communication…