Tutorials Blog

Posts

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

Transformers Open Delta (V-V) Connection

Share this article

Facebook X LinkedIn