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Electrical Machines Articles
Working Principle of Transformer
Working Principle of DC Motor
Working Principle of Alternator
Working of Light Emitting Diode (LED)
Working of Air Circuit Breakers
Why we need Power System Protection?
Why Voltage Control is Important?
Why Transformers are Rated in kVA, Not in kW?
Why Transformer does not work on DC supply?
Why Three Phase System Preferred Over Higher Phases?
Why Neutral Grounding or Neutral Earthing is Essential?
Why Motor Fails? Most Common Causes
Why Electric Motors are Rated in kW and not in kVA?
Why Current Transformer (CT) Seconday Should not be Open ?
Why Birds don’t get Electrocuted on Touching Power Lines?
What Jobs Electrical Engineers Do? | Roles and Responsibilities
What is Switching Station? | Working and Layout
What is Switchgear? | Features, Components and Classification
What is Power Factor, Its Causes and How to Improve it?
What is Ladder Diagram and How to Draw a Ladder Diagram?
What is an HVDC (High Voltage Direct Current) Transmission System?
What is a FUSE and How it Works?
What do Electrical Engineers Do?
What are Protective Relays? | Types and Working
What are Motor Control Centres?
What Are Current, Resistance and Voltage?
Voltage Surge in Power System
Voltage and Power Equations of DC Motor | Condition of Maximum Power
Video: How Stepper Motor Works?
Video: How Single Phase and Three Phase Transformer Works?
Video Tutorial: Electrical Impedance – A Practical View
Video : How Does a Tesla Electric Car Work?
Video – How Single Phase Induction Motor Works?
Vacuum Circuit Breaker (VCB) – Principle, Construction and Working
Understanding Power Factor Using a Horse and a Railcar
Types of Underground Cables
Types of Stepper Motor
Types of ROM | PROM, EPROM, EEPROM, Flash EPROM & Mask ROM
Types of Power Plants
Types of Gas Turbine Engines
Types of Electrical Relays
Types of Electric Current – Steady (DC), Varying & Alternating (AC) Current
Types of DC Generator – Series, Shunt and Compound
Transformer Oil Testing : Video Training
Transformer Oil Filtration and Hot Oil Circulation Process
Transformer Oil – Tests and Purification Methods
Transformer Bushing Types : RIP Bushing vs OIP Bushing
Three-Phase Transformer – Basics and Connection Methods
Three Types of Analog Instruments
Three Phase Transformer Interconnections
Three Phase Induction Motors – Construction
Three Phase Induction Motor: Construction and Working Principle
Things You Should Know About Electromagnetic Flow Meters
Testing of DC Machines (DC Motor and DC Generator)
Teach Yourself Electricity and Electronics
Systems of Wiring – Introduction to Electrical Wiring
Swinburne’s Test of DC Machine (Generator and Motor)
Substation Earthing System Design
Substation Earthing System ( Grounding System ) – Earthing Mat
Substation Design Criteria and Studies
Substation Bus Configuration / Scheme: The Definitive Guide
Stroboscopic Effect in Fluorescent Lamps
Steam Power Stations – Arrangement and Working
Starting Methods for Synchronous Motor
Star-Star (Y-Y) Connection of Three Phase Transformers
Square D QO Circuit Breakers
Split Phase Induction Motor – Operation and Characteristics
Split Phase and Capacitor Start Induction Motors
Speed Control of DC Shunt Motors
Speed Control Of DC Series Motors
Speed Control of DC Motor (Shunt, Series and Compound)
Solid State Relays (Static Relays)
Skin Effect in Wires, Cables and Transmission Lines
Single Phase Induction Motor – Working Principle and Construction
Short Circuit – Causes and Effects
Shaded Pole Induction Motors – Working and Construction
SF6 Circuit Breakers – Construction, Types and Working
Series and Parallel Circuits – A Water Analogy
Sag in Overhead Transmission Lines
Residual Current Protective Devices (RCCB, ELCB & RCBO)
Protective Zones in Power Systems
Properties of Good Transformer Oil
Production of Rotating Magnetic Field
Primary and Back-up Protection in Power System
Practical Transformer on No Load
Power Transformer Testing Methods – Type, Routine & Special Tests
Power Transformer and Distribution Transformer
Permanent Magnet Moving Coil (PMMC) Instrument
Percentage Impedance of Transformer and Its Calculation
Parallel Operation of Single Phase Transformers
Parallel Operation of DC Series Generator
Overcurrent Relays for Transmission Line Protection
Open Loop and Closed Loop Control System (4 Practical Examples Included)
Open Delta (V-V) Connection of Transformers
Oil Circuit Breakers – Types, Working and Construction
Ohms Law – Simon Ohms Amazing Experiment and Results
Objective Questions on Single Phase Motors | Part 4
Objective Questions on Single Phase Motors | Part 3
Objective Questions on Single Phase Motors | Part 2
Objective Questions on Single Phase Motors | Part 1
Objective Questions on Electric Traction – 1
Objective Questions on Alternators | Part 4
Objective Questions on Alternators | Part 3
Objective Questions on Alternators | Part 2
Objective Questions on Alternator | Part 1
Neutral Grounding (Earthing) and Equipment Grounding
Need of a Starter (3 & 4 Point) in DC Motors
Multiple Choice Questions (MCQs) on Synchronous Motors
Moving Iron Instruments – Attraction and Repulsion Type
Moulded Case Circuit Breaker (MCCB) – Types and Working
Miniature cells and Batteries – Silver Oxide, Mercury and Lithium Cells
Methods of Arc Extinction in Circuit Breaker
Measurement of Three Phase Power | Wattmeter Methods
MCB (Miniature Circuit Breakers) – Types, Working and Trip Curves
Low Voltage Switchgear
Low Voltage Circuit Breakers – Design and Construction Basics
Losses in DC Machine ( DC Generator and Motor )
Load Forecasting – Purpose, Classification and Procedure
Load Curve in a Power Plant – Daily, Monthly and Annual
Lightning Arrester – Location, Rating and Selection
Learn All About Rectifier Transformer
Introduction to Programmable Logic Controllers (PLCs)
Introduction to PLC Ladder Programming
Introduction to Gas Turbine Power Plant
Introduction to Gas Insulated Substations / Switchgears (GIS)
Insulators, Conductors and Semiconductors (with Band Diagram)
Insulation Resistance Test (IR Test) or Megger Test
Insulating Materials for Power Cables
Instantaneous, Inverse Time and Definite Time Lag Relays
Inductors and Inductance : Working, Unit, Function, Types and Uses
IEC 61850 – Substation Automation – Fundamentals
IEC 61850 – Features and Advantages
Ideal Transformer and Practical Transformer
How to Test Percentage Impedance of Transformer?
How to Rescue a Person from Electric Shock?
How to Make a Wise Choice of Electronics for the Household?
How to Make a Digital Lock Using Arduino?
How to Make a DC Motor at Home?
How to Change the Direction of Rotation of a DC Motor?
How Star Delta Starter Works?
How Multicolor RGB (Red Green Yellow) LEDs Work?
How Fluorescent Lamp Lights Work
How Electric Locomotives (Electric Trains) Work?
How Diesel Locomotives (Diesel Trains) Work?
Gramme Ring and Drum Wound Armature in DC Motors
GFCI (Ground Fault Circuit Interrupter) – Working, Types, Installing and Troubleshooting
Functional Characteristics of Protective Relaying
Function of Protective Relays in Power System
Evolution of Electric Power Systems
Electronic Structure of Atom
Electromagnetism for Engineers Free Ebook
Electrodynamometer Instruments – Ammeter, Voltmeter and Wattmeter
Electrical Substation: Equipment, Types, Components & Functions
Electrical Power Supply And Distribution – Free Ebook
Electrical Installation Guide by Schneider Electric- Free Ebook
Electrical Engineering Basics: The Ultimate Guide
Electrical Bushings – Types, Purpose and Construction with Diagrams
Electrical and Mechanical Noise in Motors
Electric Potential, Potential Difference and EMF
Electric Motor Maintenance : Preventive, Predictive and Reactive Maintenance
Effects of Voltage and Frequency Variation on Transformers
Effects of Variable Load on Power Station
Effect of Electric Current on Human Body at 50 Hz
Different Types of Rechargeable Batteries
Different Types of Circuit Breakers
Different Types of Capacitors and their Uses
Difference between Diesel Engine and Petrol Engine
Difference between Dielectric Testing & Insulation Resistance Measurement
Difference b/w Microprocessor and Microcontroller
Design a Power Supply Circuit – Simple to Complex
DC Generator Characteristics
Damping Systems – Air friction, Fluid Friction & Eddy Current Damping
Current Transformers – Windings and Rated Insulation Levels
Current Transformer (CT) – Construction and Working Principle
Corona Effect in Power System
Core Type and Shell Type Transformers
Controlling a Servo Motor with Arduino
Construction of Universal Motors
Construction of Underground Cables
Construction of DC Machine (Generator & Motor)
Constant Current Driver Design based on LM317
Condition Monitoring for Transformers
Compensating Windings and Interpoles in DC Machines
Comparison between Induction Motor and Transformer
Classification or Types of Protective Relays
Circuit Breakers – Objective Questions – Part 2
Circuit Breakers – Objective Questions – Part 1
Circuit Breakers – Interview Questions with Answers
Circuit Breaker Ratings
Circuit Breaker Definition, Working Principle and Arcing Phenomenon
Characteristics of Series Wound DC Generators
Characteristics of Separately Excited DC Generators
Characteristics of DC Shunt Generator
Characteristics of DC Series Motor
Characteristics of DC Compound Generator
Capacitors and Capacitance – Working, Unit, Types and Specification
Capacitor Voltage Transformer (CVT or CCVT) – Construction & Working
Capacitor Start Single Phase Induction Motor – Working and Characteristics
Bundled Conductors in Transmission Lines
Breaker Failure Relay (Back-up Protection Relay)
Power System
Circuit Breaker
Switchgear
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Electrical Machines
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