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Difference Between Alternating Current and Direct Current

Difference Between Alternating Current and Direct Current: Modern days electrical energy plays an important role human life. Electrical energy is generated in two form one...

What is Crawling of Induction Motor Definition & Simple Explanation

What is Crawling of Induction Motor: As you know fifth harmonic (5*fundamental frequency) has negative sequence current hence it creates negative field and which opposite...

Why Capacitor Has Leading Power Factor

Why Capacitor Has Leading Power Factor: Before saying leading or lagging we should follow the conditions Both the wave should be sinusoidal Both signal should...

Why Inductor Has Lagging Power Factor

Why Inductor Has Lagging Power factor: Inductor is a one of the fundamental passive components of the electric circuit. Inductance is defined as the property...

Harmonic In Electrical | How Electrical Harmonics Occurs in Power system

What is Harmonic in Electrical: Harmonic in electrical is nothing but an integer multiplication of fundamental frequency. Harmonic are an unwanted distorted waveform which frequency...

Vector Sum Three Phase Current

Vector Sum Three Phase Current: Vector sum is nothing but a calculating total current magnitude as well as phasor. i.e. consider three phase current magnitude...

Purpose of Unit Auxiliary Transformer (UAT)

Function of Unit Auxiliary Transformer (UAT): Unit Auxiliary Transformer is nothing but a step down transformer, which is connected parallel to the generator before the...
Purpose of Chokes in Tube Light

Purpose of Chokes in Tube Light

Purpose of Chokes in Tube Light? Electrical choke is nothing but an inductor which is connected in series with vapor lights. i.e electrical choke is...
Why aluminium and copper vessels not used in induction stove

Why Aluminium and Copper Vessels & Pot not Used in Induction Stove

Why aluminium and copper vessels not used in induction stove: Induction stove is growing cooking technology. Now a day we can find the induction stove...

What is Temperature

What is Temperature? Temperature is quantitative measure of hot and cold. Or a measure of kinetic energy or thermal energy of the atoms in an...
PLC Start stop wiring diagram

PLC DCS Start Stop Wiring diagram

PLC DCS Start Stop Wiring diagram: Start means you are going to start the electrical apparatus and stop means you are going to stop the...
Electrical C license

Electrical Supervisor License in Tamilnadu

Electrical Supervisor License in Tamilnadu: Electrical license is nothing but a government certified authorized person to handle or operate or maintain or repair electrical installation....
Facts about Electricity in Human Body:

10 Facts about Electricity in Human Body

10 Facts about Electricity in Human Body: These all are the facts about a health human body such as 75 Kg weight, 6 feet height...
voltage level

7 Types of Voltage Level ELV LV MV HV EHV Ultra High Voltage

Different Types of Voltage Level: The different type of voltage notations is being used in a power system transmission and distribution. Let see the type...

Difference Between Voltage and EMF

Difference between the voltage and emf: Many of the electrical engineer, student or electrical technician confuse between the voltage and emf. In this we are...

What is Power System, How Power system Works

Power system: Power system is a network of electrical components which consist of generation, Transmission, distribution and utilization. Initially, power is generated by generating stations...

Standby Earth Fault Relay Operation 51N

What is Standby Earth Fault Relay: In electrical power system, the fault occurs due to the various factor such as natural disturbance, lightning on the...

Why Earth Pin is Plastic Thicker and Longer

Why Earth Pin is Plastic Thicker and Longer? In your home you can see the three pin top which has one earth pin is longer...

What is Neutral Why Neutral is required in Single Phase Power Distribution

What is Neutral In your home appliances, you can see the plug top and socket both contain three pin such as two equal pins phase...

Significance of Leakage Reactance of Transformer

Transformer Leakage Reactance: In an electrical machine such as alternator, transformer, motor etc, the inductance is a responsible for creating flux in the machine. In...

What is Balance Load & Unbalance Load EEE Student

Balance Load & Unbalance load. The load in a poly phase circuit can be classified into two categories are Balanced load Unbalance load Balance circuit: The circuit...

IP Enclosure Ratings & Standards Electrical Equipments

IP Enclosure Ratings & Standards Electrical Equipment IP rating is also known as Ingress Protection or International Protection ratings which are defined to the international standard...

Symmetrical Faults & Unsymmetrical Faults

What is Symmetrical Faults and Unsymmetrical Faults During Normal condition, In AC (Alternating Current) power system operates under balanced load conditions. The unbalance condition generally...

Why Tertiary Winding is used in transformer?

Why tertiary winding are used in transformer? In two winding transformer both primary and secondary is having the same kVA rating. Both windings are independent...

Why PT and CT Terminals are Star Connected

Why PT and CT Terminals are Star Connected In Alternating Current power system two most important instrument transformers are frequently used, one is current transformer...

What is Ground Fault and Earth Fault

What is Ground Fault and Earth fault: Ground fault: Ground Fault is nothing but a fault or contact occurs between the Live conductor to ground/neutral point....

What is Reactive Power

Reactive Power: Reactive power is an imaginary power which is delivered by capacitors and alternators. Consider the case in which the load is a pure...

Single Phase System vs Three phase System

Single Phase System vs Three phase System: There is two kind of power supply is normally implemented one is single phase and another one is...

What is Delta connection in Three Phase Power System

What is Delta connection? Delta connection is an arrangement of three of same or different passive components. It is also called a mesh connection. The...

What is Star Connection in Three Phase Power System

What is Star Connection: Star connection or Y connection is an arrangement of three of same or different passive components (resistor, inductor, capacitor). This arrangement...

What is Motor? How Motor Works With Graphical Presentation

Motor: Motor is a device which convert electrical energy into mechanical energy. This mechanical energy then can be supplied to various types of loads such...
PT

Potential Transformer Working Principle

Potential Transformer: Potential transformer is nothing but a step down transformer whose secondary winding has less number of turns as compared with primary. Secondary winding turns...
VFD IGBT

How VFD Saves Power & Basic Concept of VFD

How VFD Saves Power & Basic Concept of VFD: VFD is nothing but a variable frequency drive, sometime it is called as VVFD (Variable Voltage...

Basic Concept of Transformer

Transformer: A transformer is essentially a static electromagnetic device consisting of two or more windings which link with a common magnetic field. A transformer works...

What is Impedance Reactance Impedance Triangle

Impedance: The total opposition to an alternating current circuit is called impedance. The opposition is created by resistor, inductor, and capacitor. Impedance is symbolized by “Z”....

What is Power Factor & Power Triangle

Power Factor: Power Factor is defined as the cosine of an angle between the current and voltage. Otherwise, the ratio between the real power to...
Snubber Circuit

Why Capacitors Use As High Voltage Protection

Why Capacitors use as High Voltage protection: The voltage across the capacitor cannot change instantaneously. This property is used in high voltage protection in electronics...

What is Capacitance, Capacitor Series and Parallel Connection

Capacitance: The measured value of capacitor is called capacitance. The exact definition is the ability of a capacitor to store electric charge is measured. It...
Faraday's Law of electromagnetic induction

Faraday’s Law Electromagnetic Induction

Faraday’s law Electromagnetic induction: Electromagnetic induction was discovered independently by Michael Faraday in 1831 and Joseph Henry in 1832. Faraday was the first to publish...

Why Inductors Use In Filtering Circuit and VFDs

Why inductors are using in a filtering circuit and VFDs As we know the inductor stores the energy and release the same in terms of...

What is Flux and Types Of Flux

What is Flux? Flux means an imaginary or visual line passes through physical substances. The word flux comes from the Latin word "Fluxus," which means...

What is Field in Physics, Types Of Field in Electrical System

What is Field: Field is a physical quantity, which is represented by a number There are many types are field in physics. Lets see.. Electric Field: Electric...

What happens if DC supply given to the Inductor

What happens if DC supply given to the inductor:   Consider I is the current flow through an inductor circuit is DC, then the voltage V...

SI Units System

SI Units System The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and...

How to Measure Magnetic Flux Using Magnetometer

Magnetometer: A magnetometer is an instrument that measures magnetism—either the magnetization of a magnetic material like a Ferro magnet, or the direction, strength, or relative...

Lux Meter

Lux Meter: A light meter is a device used to measure the amount of light. In photography, a light meter is often used to determine...

What is Inductor | Types of Inductor | What is Inductance, Series, Parallel Connection

Inductor: Inductor store energy in terms of magnetic field. It is a two terminal device, which is consisting of a coil wound around a core....

What is Capacitor | Types of Capacitor | What is Farad | Working Principle

Capacitor: Capacitor stores electric charge. It is looks like battery it stores energy in a different way. It is stores much energy in battery. It...

Why India has 50 Hz Power System and US has 60 Hz 110 Volts...

Why India has 50 Hz Power system and the US has 60 Hz 110 Volts power system. India supplies 50 Hz, 230 Volts, Alternating Current...

Why is Battery United AmpsHour AH

Why is Battery United AmpsHour AH? Battery is the device is used to store electrical energy in the form of chemical energy. Battery converts electrical...

Why Battery Cannot Store AC voltage

Why battery cannot store AC voltage: Battery is a two terminal, static charge accumulator device. The batteries convert the chemical energy to electrical energy. Where...

What is Phase,Phase Angle,Phase Difference Easy Understanding

What is Phase: The phase is defined as the position of the waveform at a fraction of time period. Phase is expressed in angle or...

What is Ohms Law Simple Concept for EEE student

What is Ohms Law Simple Concept for EEE student: Ohm's Law is one of the most fundamental of laws in electrical theory. If you open...
IGBT

What is Electric Circuit and Electronic Circuit

What is Electric Circuit and Electronic Circuit: An electric circuit is a path in which electrons from a voltage or current source flow. Which should...
Conventional current and Electron Current

What is Conventional Current and Electron Current

What is conventional current and electron current: Two Types of currents are normally considered in circuits Conventional Current Electron Current Electron Current: Normally, Flow of electron or...

Voltage Divider or Potential Divider

Voltage Divider or Potential divider: Another important concept in the electrical circuit is Voltage divider rule. Voltage divider rule is generally used to find out...

What is Short Circuit

Short circuits: The circuit said to be short-circuited means where the component’s resistance is equal to zero.  Short circuit will happen due to unintended contact...

What is Meant by Open Circuit

Open circuit: The circuit is said to be open if there is a gap, or break or any interruption in a circuit’s current flowing path. In...

Magnetic Field

Magnetic field: Magnetic field is a field which is produced by permanent magnets and artificial magnets. But in permanent magnets generates magnetic field Naturally, but...

Leading Power Factor And Lagging Power Factor

Leading and Lagging Power factor: As an electrical field engineer, I have used this word almost 10 million times. this is the important property of...

Kirchhoff’s Voltage Law Kirchhoff’s Current Law Easy Understanding

Kirchhoff’s Voltage Law Kirchhoff’s Current Law : Kirchhoff’s Law is one of the Popular electrical and electronic circuit law next to ohm’s law. Every electrical...

How to Measure Voltage and Current

How to measure Voltage and current:? Voltage and current is the important electrical quantity, To measure we need a special type of meter.. let see...

Fleming Left Hand Rule- Easy Remembering Tips

Fleming Left hand rule: When Current carrying a conductor is kept in a magnetic field which experience force, The direction of the force is perpendicular...

Fleming Right Hand Rule- Easy Remembering Tips

Fleming Right Hand Rule: Two important rules are mainly used; one if left-hand rule and another is right-hand rule. Let see the detail about both...

What is Direct Current Simple Practical Explanation

What is Direct Current Simple Practical Explanation: Direct current is generally called as DC, which means the current flow through the conductor in only one...

What is Conductance

What is Conductance: Conductance and Resistance are opponent phenomena. When a substance or material can conduct better, we say that its resistance is less. When it conducts...
History of electrical enginering

History of Electrical Engineering

History of Electrical Engineering: In this we have given 14 electrical scientists you may get excited about their stories, Electrical engineering has an evolution which was done...

What is Current Source

Current source: In an electrical network, current source and voltage source are the basic concepts behind many electrical applications. Let see what is current source… Ideal...
Current divider circuit

Current Divider Rule For Easy Understanding

Current divider rule: The current divider is used to find out the flowing current through the parallel circuit. Such a parallel circuit can be called...

Alternating Current’s Important Terms and Condition’s Definition

Alternating current’s important terms and condition’s definition: Alternating current is nothing but the current flows through the conductor changes its direction periodically. In alternating current,...
Wave Form

What is Waveform

What is Waveform A plot or graph or shape and form of signal is obtained by plotting the instantaneous values of the quantity such as...
Instantaneous Current Wave

What is Instantaneous Current

Instantaneous Current: The magnitude of the waveform has taken at any point of time is called instantaneous value. And the instantaneous value of the alternating...
Cycle Of Alternating Current

What is Cycle of Alternating Current

What is Cycle When a waveform reaches a complete set of positive and negative value it is called one cycle., such as if a sinusoidal...
Frequency

What is Frequency and How To Measure Frequency

What is Frequency: The number of cycles completed per second by an alternating quantity is known as frequency and is denoted by f. In SI...

Alternating Current Easy to Understand For Student

Alternating current: The circuit’s conventional current varies in a repetitive manner, such circuit is called alternating current circuits. The electron flow changes its direction positive to...

What is Voltage Drop Allowable Limit and Calculation

What is Voltage Drop: Voltage drop, in the word itself, it means itself, here the drop is nothing but a loss and it says the...
By Vahid alpha at English Wikipedia, CC BY 3.0, Link

What is Electromechanical Components?

Electromechanical components: Electromechanical components are nothing but components or device which converts mechanical action to electrical action or electrical action to mechanical action is called...

Active and Passive Components

Active and Passive Components: The circuit components are classified into two categories such as Active Components Passive Components Active Components: The circuit component is ability to supply...

What is Resistor, Types, Series & Parallel Connection (Video Included)

Resistor: A resistor is nothing but opposition, It is the fundamental electronics component which use to oppose the flow of current or component or device...
Resistor Symbol

What Is Resistance? Resistive of the Resistor & One Ohm Resistance

Definition of Resistance The fundamental properties of a matter or substances which oppose the flow of electron is called electrical resistance. The resistor is a...

What is Voltage, Basic Concept of Voltage For Student

What is Voltage, Basic Concept of Voltage For Student: Voltage can be defined as the potential difference between the two charges points. Otherwise, electric pressure...

Why DC Voltage is preferred for Control circuit? 

Why DC Voltage is preferred for Control circuit?  Advantage Disadvantage: In industry mostly 110 VDC uses to control all important circuit. Example Protection system, Process...

Power systems MCQs Gate Preparation Power Transmission Generation-3

Power systems MCQs Gate Preparation Power Transmission Generation-3: 51.A voltage of 1000 kV is applied to an overhead line with its receiving end open. If...

What is Electric Field, Electric Field Intensity, Electric Field Density

What is Electric Field, Electric Field Intensity, Electric Field Density What is Electric Field Electrical Field E is defined as surrounding a charge particle where it...

Three Phase Transformer Vector Grouping Significance

Basic Idea about transformer vector group In theory of a three-phase transformer works like three equal and separated single-phase transformers (working separately with three phase...
What is Electrical Charges Property

What is an electric charge? Coulombs Law of electrical charge

What is an electric charge? Electricity is very important aspects of our lives. It is most commonly used in domestic purpose like our home lights,...

What is Electric Current, Fundamental Types Of Current

What is Electric Current, Fundamental Types Of Current: Electric Current can be defined as the flow of electrical charge passing through a specified path. Also...

What is an electric charge? Coulombs Law of electrical charge

What is an electric charge? Electricity is very important aspects of our lives. It is most commonly used in domestic purpose like our home lights,...

What is Free Electron and Basic Free Electron Concept? Copper Orbit Structure

What is Free Electron and Basic Free Electron Concept? An atom which contains three different charged particles and one is proton, electron, and neutron. In...