Engineering Devotion Site Map

Explore our complete collection of Electrical & Electronics Engineering resources

Formula Handbooks

Electric Circuits

Introduction Lecture
System of Units and Power of 10 Lecture
Charge & Current Lecture
Voltage, Power, Energy, Resistance, & Ohm's Law Lecture
Independent & Dependent Sources Lecture
Electrical Networks Lecture
Ohm-meters Lecture
Ammeters Lecture
Voltmeters Lecture
Wattmeters Lecture
Basic Laws in Network Analysis Lecture
Mesh & Nodal Analysis Lecture
Superposition & Source Transformation Lecture
Thevenin's & Norton's Theorem Lecture
Maximum Power Transfer Theorem Lecture
Fundamentals of Capacitors Lecture
Fundamentals of Inductors Lecture
Natural Response of RC Circuits Lecture
Natural Response of RL Circuits & Singularity Functions Lecture
Step Response of RC Circuits Lecture
Step Response of RL Circuits Lecture
Natural Response of Series RLC Circuits Lecture
Natural Response of Parallel RLC Circuits Lecture
Step Response of RLC Circuits Lecture
Sinusoidal & Phasors in AC Circuits Lecture
Phasor Representation of Circuit Elements Lecture
Kirchoff's Laws in Frequency Domain Lecture
Sinusoidal Steady-State Analysis Lecture
Source Transformation, Thevenin's & Norton's Theorems in FD Lecture
Instantaneous & Average Power Lecture
Complex Power in AC Circuits Lecture
AC Power Conservation & Power Factor Correction Lecture
Balanced Three-Phase Circuits Lecture
Three-Phase Circuit Connections Lecture
Power in Balanced Three-Phase Systems Lecture
Unbalanced Three-Phase Systems Lecture
Three-Phase Power Measurement by two-wattmeter Lecture
Magnetically Coupled Circuits Lecture
Introduction to Laplace Transform Lecture
Inverse laplace Transform Lecture
Convolution Integral Lecture
Integro-Differential Equations using Laplace Lecture
Circuit Analysis Using Laplace Lecture
Transfer Function Lecture
Frequency Response Using Transfer Function Lecture
Bode-Plots for Frequency Response Lecture
Series-Resonance Lecture
Parallel Resonance Lecture

Electrical Sciences

Electrical Machines

EM Introduction Lecture
Electro-mechanical energy & magnetic fields Lecture
Magnetic circuits analysis and important terms of magnetism Lecture
Magnetic-electric circuit analogy Lecture
Series & Parallel magnetic circuits Lecture
Leakage flux & fringing effect Lecture
Magnetic B-H curve & Hysteresis Lecture
Hysteresis loss & its importance Lecture
Faraday's laws of electromagnetic induction Lecture
Lenz's law & Right hand thumb rule Lecture
Statically & dynamically induced EMF Lecture
Self & mutual inductance Lecture
Inductances in series and parallel Lecture
AC excitation in magnetic circuits Lecture
Eddy current loss Lecture
Electro-mechanical energy conversion devices Lecture
Torque development by alignment of two fields Lecture
Production of torque Lecture
Induced EMF in rotating coils Lecture
DC Machines - Overview Lecture
DC Machines - Working Principle & EMF Equation Lecture
DC Machines - Constructional Features Lecture
Function of Commutator Lecture
Armature Windings & Types Lecture
Lap & Wave Windings Lecture
Types of DC Machines Lecture
DC Generator Characteristics Lecture
Armature Reaction & Compensating Windings Lecture
Losses & Efficiency in DC Machines Lecture
DC Motors - Speed, Torque, & Power Lecture
DC Motor Characteristics Lecture
Speed Control of DC Motors Lecture
Single Phase Transformers - Construction Details Lecture
Single Phase Transformers - Core, Windings, & Cooling Construction Lecture
Ideal Transformer & EMF Equation Lecture
Transformer Losses & Equivalent Circuit Representation Lecture
Transformer Voltage Drop & Equivalent Circuit Lecture
Transformer Open Circuit - Short Circuit Tests & Voltage Regulation Lecture
Transformer Efficiency & Auto-transformer Lecture
Per-unit System & Parallel Operation of Transformers Lecture
Three-Phase Transformer - Construction, Advantage, & Limitations Lecture
Three-Phase Transformer - Winding Connection & Groups Lecture
Three-Phase Transformers - Selection of Winding Connections Lecture
Three-Phase Transformers - Scott Connection Lecture
Three-Phase Induction Motors - Construction & Principle Lecture
Three-Phase Induction Motors - Rotating Magnetic Field Lecture
Three-Phase Induction Motors -Rotor Quantities Lecture
Three-Phase Induction Motors - Starting, Running, & Max. Torque Lecture
Three-Phase Induction Motors - Torque - Slip Characteristics Lecture
Three-Phase Induction Motors - Load Torque Characteristics Lecture
Three-Phase Induction Motors - Torque - Speed Characteristics Lecture
Three-Phase Induction Motors - Power Stages Lecture
Three-Phase Induction Motors - Equivalent Circuit Lecture
Three-Phase Induction Motors - Condition for Max. Power Output Lecture
Three-Phase Induction Motors - Starting Methods & Testing Lecture
Alternators - Fundamentals Lecture
Alternators - Constructional Features Lecture
Alternators - Excitation Systems Lecture
Alternators - Principle of Operation Lecture
Alternators - Hunting & Damper Winding Lecture
Alternators - Armature Windings Lecture
Alternators - Equation of Induced EMF Lecture
Alternators - Voltage Drop, Armature Reaction, & Synchronous Impedance Lecture
Alternators - Determination methods of Voltage Regulation Lecture
Alternators - Salient Pole Operation & Two-Reaction Theory Lecture
Synchronous Motors - Characteristics & Principle of Operation Lecture
Synchronous Motors - Methods of Starting Lecture
Synchronous Motors - Loads with Constant & Different Excitation Lecture
Synchronous Motors - Increased Load with Constant Excitation Lecture
Synchronous Motors - Changing Excitations on Constant Load Lecture
Synchronous Motors - Power & Torque Lecture
Synchronous Motors - Effect of Excitation on Armature Current & Power Factor Lecture
Synchronous Motors - Synchronous Condenser Lecture
Synchronous Motors - Applications Lecture
Synchronous Motors - Merits - Demerits & Comparison with Induction Motors Lecture
Single-Phase Induction Motors -Introduction & Construction Lecture
Single-Phase Induction Motors -Principle of Operation Lecture
Single-Phase Induction Motors -Method of Torque Produced Lecture
Single-Phase Induction Motors -Types and Classifications Lecture
Single-Phase Induction Motors - Equivalent Circuit Lecture

Electrical Power Systems

Introduction to Power System Lecture
Review of Fundamental Concepts of Power System Lecture
Power in Three-Phase Circuits Lecture
Structure of Power Systems Lecture
Advantages & Limitations of High-Voltage Transmission Lecture
Types of overhead Systems of Power Transmission Lecture
Underground System of Power Transmission Lecture
Various Loads on Power System & Characteristics Lecture
Transmission Line Modelling Lecture
Inductance of Transmission Lines Lecture
Bundled Conductors in Transmission Lines Lecture
Capacitance of Overhead Transmission Lines Lecture
Capacitance of Three-Phase Transmission Lines Lecture
Effect of Earth on Transmission Line Capacitance Lecture
Capacitance of Bundled Conductors Lecture
Performance & Characteristics of Transmission Lines Lecture
Short Transmission Lines Lecture
Medium Transmission Lines Lecture
Long Transmission Lines Lecture
Characteristics Impedance and Surge Impedance Loading Lecture
Ferranti Effect in Transmission Lines Lecture
Tuned Power Lines Lecture
Lumped Circuit of Long Transmission Lines Lecture
Corona Effect in Power Transmission Lines Lecture
Power Loss Due to Corona and Mitigation Techniques Lecture
Single Line Diagram Lecture
Per-Unit Quantities & Systems Lecture
Impedance & Reactance Diagram Lecture
Bus Admittance Matrix (Y-bus) Lecture
Bus Impedance Matrix (Z-bus) Lecture
Symmetrical Components Lecture
Sequence Impedance & Networks Lecture
Load Flow Analysis Lecture
Bus Classification Lecture
Load Flow Problem Formulation Lecture
Load Flow Analysis Using Gauss-Siedel Method Lecture
Load Flow Analysis Using Newton-Raphson Method Lecture
Introduction to Power System Faults Lecture
Transients due to Short-Circuit Lecture
Symmetrical Fault Analysis Lecture
Introduction to Unsymmetrical Faults Lecture
Single Line-to-Ground (LG) Faults Lecture
Line-to-Line (LL) Faults Lecture
Double Line-to-Ground (LLG) Faults Lecture
Fault Current Computation Using Sequence Networks Lecture
Power System Stability Lecture
Dynamics of a Synchronous Machines Lecture
Power-Angle Relationship of a Synchronous Machines Lecture
Swing Equation Lecture
Equal Area Criterion Lecture
Economic Load Dispatch Lecture

Electronics Devices and Circuits

Power Electronics

Course Introduction and Power Conversion Systems Overview Lecture
Power Quality Issues Lecture
Harmonic Distortion Lecture
Power Factor Correction Lecture
Power Diode Characteristics Lecture
Power Diode Types and Applications Lecture
Series and Parallel Diode Connections Lecture
Power BJT Characteristics Lecture
Power MOSFET Structure and Characteristics Lecture
IGBT Structure and Characteristics Lecture
Thyristors (SCR) - Structure and Operation Lecture
Thyristor Commutation Techniques Lecture
Thyristor Triggering Circuits Lecture
DIAC and TRIAC Lecture
GTO Lecture
Diode Switched RC Load Lecture
Diode Switched RL Load Lecture
Diode Switched LC Load Lecture
Diode Switched RLC Load Lecture
Freewheeling Diode and Applications Lecture
Trapped Energy Recovery Lecture
Diode Rectifiers - Introduction Lecture
Single-Phase Half-Wave Rectifier (R Load) Lecture
Single-Phase Half-Wave Rectifier (LC Load) Lecture
Single-Phase Half-Wave Rectifier (RLE Load) Lecture
Half-Wave Rectifier with Capacitor Filter Lecture
Single-Phase Full-Wave Rectifier Lecture
Three-Phase Half-Wave Rectifier Lecture
Three-Phase Full-Wave Rectifier Lecture
Rectifier Performance Parameters Lecture
Single Phase Half Controlled Rectifiers (R & RL Loads) Lecture
Single Phase Half Controlled Rectifiers (RLE Load) Lecture
Single Phase Full Wave Controlled Rectifier (Centre Tapped) Lecture
Single Phase Full Wave Controlled Bridge Rectifiers Lecture
Single Phase Half Controlled Bridge Rectifiers Lecture
Dual Converters Lecture

High Voltage Engineering

Engineering Optimization

GATE Exam Notes