Electrical MachinesDC Generator Start Here DC Motor Start Here Alternator Start Here Synchronous Motor Start Here Transformer Start Here 3 Phase Induction Motor Start Here Single Phase Induction Motor Start Here 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) Rectifier Transformer – Working Principle and Application Protective Zones in Power Systems Properties of Good Transformer Oil Programmable Logic Controller (PLC) Basics 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 Potential Difference and EMF: Are they Same? 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 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? How Charge is Stored in a Dielectric? 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 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 Charging and Discharging a Capacitor 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
