Tutorials Blog

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Electrical Machines - Useful Resources
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Electrical Machines - Quick Guide
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What is Electric Motor?
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What is Electric Motor Winding?
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Stator and Rotor in Electrical Machines
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Difference between Metering CT and Protection CT
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Difference between CVT and PT
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Electrical Machines - Motor Soft Starter
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Electrical Machines - Metadyne
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What is Synchronizing Power Coefficient?
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What is Synchronizing Torque Coefficient?
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Basic Terms in Electrical Machine
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Distribution Factor or Breadth Factor
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Torque-Pulse Rate Characteristics of a Stepper Motor
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Step Angle in Stepper Motor
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Electrical Machines - Universal Motor
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What is Multi-Stack Variable Reluctance Stepper Motor?
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Electrical Machines - Hybrid Stepper Motor
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Electrical Machines - Schrage Motor
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What is Single-Stack Variable Reluctance Stepper Motor?
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Printed Circuit Board (PCB) Motor
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Electrical Machines - Stepper Motor
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Electrical Machines - Reluctance Motor
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Electrical Machines - Repulsion Motor
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Two-Phase AC Servo Motor and Three-Phase AC Servo Motor
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Electrical Machines - Hysteresis Motor
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Electrical Machines - Star-Delta Starter
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Electrical Machines - Direct On Line (DOL) Starter
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Ward Leonard Method of Speed Control
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Electrical Machines - Four-Point Starter
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Electrical Machines - Three-Point Starter
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Types of AC Generators
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Characteristics of Single Phase Motor
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Solid State Motor Starters
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How to Determine Electric Motor Load?
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Electric Generator Construction and Working Principle
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Types of Faults in an Alternator
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Power Flow in Synchronous Motor
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What is a Synchronous Condenser?
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Electrical Machines - Synchronous Motor
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Construction of Three-Phase Synchronous Motor
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Electrical Machines - Torque Synchronous Motor
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V Curves and Inverted V Curves of Synchronous Motor
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What are the Input Powers of a Synchronous Motor?
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What are the Output Power of a Synchronous Motor?
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Effect of Changing Field Excitation on Synchronous Motor at Constant L
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Effect of Load Change on a Synchronous Motor
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How is a Unidirectional Torque Produced in a Synchronous Motor?
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How to Make a Synchronous Motor Self-starting?
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Hunting in Synchronous Motor: Causes, Effects and Reduction of Hunting
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Determination of Synchronous Motor Excitation Voltage
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Phasor Diagram of a Cylindrical Rotor Synchronous Motor
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Power Developed by Salient Pole Synchronous Motor
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Power Input of Synchronous Generator or Alternator
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Prime-Mover Governor Characteristics (Synchronous Generator)
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Power-Angle Characteristics of Salient Pole Synchronous Machine
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Short Circuit Transient in Synchronous Machine
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Sudden Short Circuit of Three-Phase Alternator
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Synchronization of Alternator by Lamp Method
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Synchronization of Alternators by Synchroscope
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Two Reaction Theory of Salient Pole Synchronous Machine (Alternator)
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Voltage Regulation of Alternator by Ampere Turn Method
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Synchronous Machine Oscillations
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Blondel's Two Reaction Theory of Synchronous Machines
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Constant Flux Linkage Theorem of Synchronous Machines
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Slip Test on Synchronous Machine
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Load Sharing by Two Alternators in Parallel Operation
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Parallel Operation of Alternators
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Potier Triangle Method - Determining the Voltage Regulation of Alterna
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Power Flow Transfer Equations for a Synchronous Generator
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Maximum Reactive Power for a Synchronous Generator or Alternator
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Pitch Factor or Coil Span Factor in Alternator
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Relationship between Speed and Frequency of Alternato
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Short Circuit Ratio of a Synchronous Machine
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Synchronous Generator Zero Power Factor Characteristics and Potier Tri
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Operation of Synchronous Generator with an Infinite Bus
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Voltage Regulation of Alternator or Synchronous Generator
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Armature Reaction in Alternator at Unity Power Factor Load
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Assumptions in Synchronous Impedance Method for Finding Voltage Regula
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Cooling of a Synchronous Generator or Alternator
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EMF Equation of Synchronous Generator or Alternator
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Equivalent Circuit and Phasor Diagram of Synchronous Generator or Alte
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Excitation System of Synchronous Machine
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Hydrogen Cooling of a Synchronous Generator or Alternator
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Electrical Machines - Hunting Effect Alternator
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Significance of Short Circuit Ratio of Alternator (Synchronous Machine
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Electrical Machines - Synchronous Reactance Impedance
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Saturated and Unsaturated Synchronous Reactance in Synchronous Generat
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Synchronous Impedance Method (EMF Method) for Finding Voltage Regulati
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Advantages of Stationary Armature Rotating Field Alternator
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Armature Reaction in Alternator at Lagging Power Factor Load
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Armature Reaction in Alternator at Leading Power Factor Load
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Three-phase Induction Motor Synchronous Speed and Slip
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Induction Generator (Asynchronous Generator)
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Types of AC Motor - Synchronous and Induction Motor
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Power Developed by Synchronous Motor
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Equivalent Circuit and Power Factor of Synchronous Motor
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Working of 3-Phase Synchronous Motor
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Losses and Efficiency of 3-Phase Alternator
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Output Power of 3-Phase Alternator
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Armature Reaction in Synchronous Machines
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Working of 3-Phase Alternator
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Construction of Synchronous Machine
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Introduction to 3-Phase Synchronous Machines
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Types of Faults in Three Phase Induction Motor
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Single-phase Induction Motor - No-Load and Blocked-Rotor Tests
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Linear Induction Motor: Design, Performance, and Applications
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Performance Analysis of Single-Phase Single-Winding Induction Motor
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Permanent Split Capacitor (PSC) Induction Motor
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Repulsion Induction Motor - Construction, Working, and Characteristics
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Repulsion-Start Induction-Run Motor
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Shaded Pole Induction Motor
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Split-Phase Induction Motor
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Three-phase Induction Motor - Winding EMFs (Stator EMF and Rotor EMF)
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Capacitor-Start Capacitor-Run Induction Motor
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Characteristics and Applications of Capacitor-Start Induction Motor
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Isolated Induction Generator
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Rotating Magnetic Field in Three-Phase Induction Motor
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Running Torque of Three-Phase Induction Motor
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Rotor Resistance Starter in Three-Phase Induction Motor
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Three-phase Induction Motor - Starting Torque (Torque Equation)
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Double-Cage Induction Motor Torque-Slip Characteristics and Cage Torqu
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Induction Motor - High Torque Cage Motors: Deep Bar and Double Cage Ro
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Inverted or Rotor Fed Induction Motor
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Induction Motor Speed Control by Pole-Amplitude Modulation
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Induction Motor - How to Determine the Efficiency?
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Power Flow Diagram and Losses of Induction Motor
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Three-phase Induction Motor - Ratios of Full-Load, Starting and Maximu
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Applications of 3-Phase Induction Motors
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Induction Motor - Construction of Circle Diagram
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Induction Motor - Blocked Rotor Test or Short Circuit Test
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Crawling and Cogging in Induction Motors
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Complete and Approximate Equivalent Circuits of Induction Motor
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Difference between Single-Cage and Double-Cage Induction Motor
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Difference Between Slip Ring and Squirrel Cage Induction Motor
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Induction Motor Equivalent Circuit and Models
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Equivalent Circuit of a Double Cage Induction Motor
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Three-phase Induction Motor - Rotor Frequency, EMF, Current and Power
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Methods of Starting 3-Phase Induction Motors
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Speed Regulation and Speed Control
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Characteristics of 3-Phase Induction Motor
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Three-Phase Induction Motor on Load
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Construction of Three-Phase Induction Motor
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Three-Phase Induction Motor
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Single-Phase Induction Motor
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Introduction to Induction Motor
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Difference Between BLDC Motor and PMSM Motor
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Difference Between DC Series Motor and Shunt Motor
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Electrical Machines - DC Servo Motor Theory
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Electrical Machines - Permanent Magnet Stepper Motor
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Permanent Magnet DC Motor (PMDC)
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Hopkinson's Test: How to Test the Efficiency of DC Machines?
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Speed Regulation of DC Motor
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What is Speed Control of DC Series Motors?
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What is Speed Control of DC Shunt Motors?
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Swinburne Test of DC Machine
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Torque in DC Motor - Armature Torque and Shaft Torque
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Types of Armature Winding DC Machine
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Voltage Build-Up in a Self-Excited DC Generator
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Open Circuit Characteristics of a DC Generator
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Four Quadrant Operation of DC Motor
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DC Motor Efficiency and Max Efficiency Conditions
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Electric Breaking of DC Motors
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Efficiency of DC Generator and Condition for Maximum Efficiency with E
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DC Motor Voltage, Power and Max Power Condition
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DC Generator Demagnetising and Cross Magnetising Conductors
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Characteristics of DC Generators: Series, Shunt and Compound
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Characteristics of DC Motors: Shunt, Series and Compound Motors
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Commutation in DC Machines: Types and Windings
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Critical Resistance of a DC Shunt Generator
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Difference between Stepper Motor and DC Motor
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Action of Commutator in DC Generator
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Armature Reaction in DC Generator
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DC Generator
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Applications of DC Machines
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Losses in DC Machines
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Types of DC Motors
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Back EMF in DC Motor
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Working Principle of DC Motor
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Types of DC Generators
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EMF Equation of DC Generator
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Construction and Working Principle of DC Generator
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Types of DC Machines
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Construction of DC Machines
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Difference between Dry-Type and Oil-Filled Transformers
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Difference Between Isolation Transformer and Regular Transformer
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Electrical Machines - CVT Transformer
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Electrical Machines - OTI WTI Transformer
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Practical Transformer on Load
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Practical Transformer on No-Load
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Simplified Equivalent Circuit of Transformer
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Electrical Machines - Equivalent Circuit Transformer
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Why Don't Transformers Work on DC Supply?
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Electrical Machines - Delta-Delta Connection Transformer
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What is a Three Winding Transformer?
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Why Are Transformers Rated in kVA, and not in kW?
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Scott-T Transformer Connection
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Three-Phase to Twelve-Phase Transformers
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Three-phase Transformer Vector Group and Division
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Transformer Inrush Current - Calculation and Theory
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Transformer No-Load Current Wave Shape Considering Core Loss
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Electrical Machines - Current Transformer
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Electrical Machines - Autotransformer
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Transformers Open Delta (V-V) Connection
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Transformers Parallel Operation: Reasons and Conditions
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Electrical Machines - Potential Transformer
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Three-Winding Transformer - Short and Open Circuit Tests
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Transformer Six-phase Star and Diametrical Connection
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Transformer - Star-star Connection (Three Phase)
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Three-phase Autotransformer
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Open Circuit and Short Circuit Test of Transformer
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Autotransformer Output and Copper Saving
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Transformer Voltage Drop and Regulation
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Transformer Back-to-back Test (Sumpner's Test)
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Two Winding Transformer to Autotransformer Conversion
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Transformer - Star-delta Connection (Three-Phase)
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Transformer - Delta-star Connection (Three-Phase)
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Three Winding Transformer - Determination of Voltage Regulation
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Double-Delta Connection of Transformers: Three-to-Six Phase Transforma
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Double-Star Connection of Transformers: Three-to-Six Phase Transformat
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Three-phase Transformers Harmonics
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Working Principle of a Three-Phase Transformer
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Working Principle of a Transformer
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Types of Transformers
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Three-Phase Transformer
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Efficiency of Transformer
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Losses in a Transformer
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Transformer on DC
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Ideal and Practical Transformers
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Turns Ratio and Voltage Transformation Ratio
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EMF Equation of Transformer
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Construction of Transformer
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Electrical Transformer
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Flemingâs Left Hand and Right Hand Rules
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Concept of Induced EMF
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Faradayâs Laws of Electromagnetic Induction
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Rotating Electrical Machines
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Singly-Excited and Doubly Excited Systems
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Energy Stored in a Magnetic Field
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Electromechanical Energy Conversion
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Electrical Machines Tutorial

Induction Motor - Construction of Circle Diagram