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Eddy Current : Working, Advantages, Loss, Braking System & Its Applications

January 15, 2023 By Wat Electrical

Eddy Current

We know that electromotive force & current will generate when the magnetic flux is flowing throughout a coil changes. Similarly, once the magnetic flux is passed throughout a solid coil, then it will induce current & emf. So the induced current through the conducting body is called the eddy current. This current is named an eddy current because of the flow of the current look like eddies/whirlpools. This article discusses an overview of an eddy … [Read more...]

Voltage Follower : Circuit, Working, Purpose & Its Applications

January 1, 2023 By Wat Electrical

Voltage Follower

The operational amplifier or op-amp is a versatile & very efficient device. The op-amp is used to amplify the weak signal and it can be made simply into various forms based on the requirements of the circuit. One of the forms is the voltage follower. Here voltage follower is mainly used for isolating the signal as well as improving load capacity and this is also known as a unity-gain amplifier, isolation amplifier, or buffer amplifier. In a voltage … [Read more...]

Phase Shifting Transformer : Construction, Working & Its Applications

December 30, 2022 By Wat Electrical

Phase Shifting Transformer

At present, the power generation landscape as well as the energy market is growing, so controlling the power flow capacity is very important. So phase shifting transformer is an essential component used to enhance AC network efficiency, protect HV equipment & transmission lines from thermal overload, enhance transmission system stability & control the flow of power between various networks. Compared to fixed power transformers, these are extremely … [Read more...]

Non Inverting Op Amp : Circuit, Working, Derivation, Types and Applications

December 15, 2022 By Wat Electrical

Non-Inverting Operational Amplifier

An operational amplifier which is termed a high gain, DC coupled, inverting feedback amplifier was initially observed in the year 1941 by Karl D. Swartzel. In this configuration, the amplifier is designed using three vacuum tubes which results in a gain of 90 dB, and it functions in the voltage range of ±350 volts. This operational amplifier was just a single inverting type of amplifier and does not have differential inverting and non-inverting inputs. … [Read more...]

Shunt Reactor : Working, Types, Characteristics & Its Applications

November 30, 2022 By Wat Electrical

Shunt Reactor

A reactor or line reactor is a coil, used to protect the electrical devices & power transformers from the generated reactive currents throughout the fault conditions within the transmission. This reactor is generally made with an inductive material. The main function of the reactor is to restrict the reacting current that can harm the power transformer throughout the distribution or transmission within the substation. There are different types of … [Read more...]

Core Type Transformer : Construction, Working, Laminations, Types & Its Applications

November 15, 2022 By Wat Electrical

Core Type Transformer

A transformer is a voltage control device used to step up and step down the voltage in various electrical circuits. The working principle of a transformer is electromagnetic induction & mutual induction. These are classified into two types like core type and shell type. In core type transformer, the magnetic core mainly contains two limbs and two yokes whereas shell type transformer contains three limbs & two yokes. So the main difference between … [Read more...]

Moving Iron Instrument : Working, Types, Torque & Its Applications

September 16, 2022 By Wat Electrical

Moving Iron Instrument

The moving iron instrument is the most commonly used ammeter & voltmeter used at power frequencies in laboratories or switchboards. These types of instruments are designed in such a way to measure voltage & current to the accuracy required in most engineering works. As compared to any other types of AC instruments with the same accuracy & ruggedness, these are not expensive. So this article gives brief information on a moving iron instrument – … [Read more...]

What is Linear Induction Motor : Working, Construction, & Its Applications

July 6, 2022 By Wat Electrical

Linear Induction Motor

An induction motor is a generally used AC electric motor. In this motor, the electric current required within the rotor to generate torque is attained through electromagnetic induction from the stator winding’s rotary magnetic field. The rotor of this motor can be a wound type or squirrel cage rotor. Induction motors are also called ‘asynchronous motors’ because they operate at a less speed as compared to their synchronous speed. There are different types … [Read more...]

What is a Power Triangle : Formula and Its Working

July 1, 2022 By Wat Electrical

Power Triangle Diagram

Generally, power is the capacity to do work. In the electrical domain, electric power is the amount of energy transferred to some other form per unit of time like light, heat, etc. Mathematically, it can be defined as the product of voltage and current. Consider the DC circuits, which have only one voltage source either a voltage source or a current source, so the capacitors work as an open circuit within a steady-state whereas the inductors work like a … [Read more...]

What is a 7805 Voltage Regulator : Working & Its Applications

June 1, 2022 By Wat Electrical

7805 Voltage Regulator

All voltage sources cannot provide stable output because of fluctuations within the circuit. For obtaining stable output, the voltage regulator is implemented. A voltage regulator is used to create and maintain a stable output voltage which is used for DC/DC power conversion, some can perform AC/DC or AC/AC power conversion. The integrated circuits or ICs which are used for voltage regulation are known as voltage regulator ICs. There are different types of … [Read more...]

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