Cover -- Preface to the Fourth Edition -- Preface to the First Edition -- Contents -- Chapter i DC Circuits -- i.1 International System of Units -- i.2 Circuit -- i.3 Electric Current -- i.4 Electric Potential -- i.5 Resistance -- i.5.1 Conductivity and Conductance -- i.6 Power -- i.7 Energy -- i.8 Ohm's Law -- i.9 Kirchhoff's Laws -- i.10 Series Circuits -- i.10.1 Parallel Circuits -- i.10.2 Series Parallel Circuits -- Chapter ii Electromagnetic Induction -- ii.1 Introduction -- ii.2 Faraday's Laws of Electromagnetic Induction -- ii.3 Lenz's Law -- ii.4 Laws of Electromagnetic Forces -- ii.5 Dynamically Induced EMF (Generator or Motional EMF) -- ii.6 Self Inductance -- ii.7 Mutual Inductance -- ii.8 Hysteresis Loss -- ii.9 Eddy Current Loss -- Chapter 1. A-C Circuits -- 1.1 Introduction -- 1.2 Phase -- 1.3 The Average Value of a Waveform -- 1.4 The Effective or RMS Value of a Wave -- 1.4.1 Form Factor -- 1.4.2 Peak Factor or Crest Factor -- 1.5 Phasor Diagram -- 1.5.1 Phasor Algebra -- 1.6 Resistance Connected Across a Sinusoidal Voltage -- 1.6.1 Inductor Across Sinusoidal Source -- 1.6.2 Capacitor Connected Across Sinusoidal Source -- 1.6.3 Series R-L Circuit Connected to Sinusoidal Source -- 1.6.4 RC Series Circuit Connected to Sinusoidal Source -- 1.6.5 R-L-C Series Circuit Connected to Sinusoidal Source -- 1.7 Parallel R-L Circuit Across Sinusoidal Supply -- 1.7.1 Parallel R-C Circuit Across Sinusoidal Source -- 1.7.2 Series Parallel Circuits of R,L and C -- 1.8 Resonance -- 1.9 Series Resonance -- 1.9.1 Quality Factor Q -- 1.10 Parallel Resonance -- 1.10.1 Q of Parallel RLC Circuit -- 1.11 Magnetic Circuits -- 1.11.1 Analogies between Magnetic and Electric Circuits -- 1.11.2 Leakage Flux -- 1.11.3 Fringing of Flux -- 1.12 Dot Convention for Coupled Circuits -- Chapter 2. Network Theory -- 2.1 Introduction -- 2.2 Kirchhoff's Laws.

2.3 Star-Delta Transformation -- 2.4 Loop Analysis -- 2.5 Nodal Analysis -- 2.6 Superposition Theorem -- 2.7 Thevenin's Theorem -- 2.8 Norton's Theorem -- 2.9 Maximum Power Transfer Theorem -- Chapter 3. Three Phase Supply -- 3.1 Three Phase Circuits -- 3.2 Analysis of Star Circuits -- 3.3 Delta Circuits -- 3.4 Measurement of Power in 3-Phase Circuits -- 3.4.1 Three Whattmeter Method -- 3.4.2 Two Wattmeter Method -- 3.4.3 One Wattmeter Method -- 3.5 Measurement of Reactive Power -- Chapter 4. Basic Instrument -- 4.1 Introduction -- 4.2 Types of Instruments -- 4.2.1 Parmanent Magnet Moving Coil Type -- 4.2.2 Dynamometer Type Moving Coil Instruments -- 4.3 Moving Iron Type -- 4.4 Induction Instruments -- 4.4.1 Indcution Disc Type or Shaded Pole Type -- 4.4.2 Induction Cylinder Type Instrument -- 4.4.3 The Shunt -- 4.4.4 High Series Resistance (Voltage Indicating Instrument ) -- 4.5 Wattmeter -- 4.6 Method of Connection in the Circuit -- 4.7 Energy Meters -- 4.7.1 Single Phase Induction Type Energy Meter -- 4.7.2 Creep -- 4.7.3 Friction Compensation -- 4.7.4 Meter Phase Angle Error -- 4.8 Polyphase Induction Watt Hour Meters -- 4.9 Phantom or Fictitious Load -- Chapter 5. Transformer -- 5.1 Introduction -- 5.2 Construction -- 5.3 EMF Equation of a Transformer -- 5.4 No Load Operation -- 5.5 Operation of Transformer Under Load Condition -- 5.6 Equivalent Circuit -- 5.7 No Load or Open Circuit Test -- 5.8 Short-Circuit Test -- 5.9 Voltage Regulation -- 5.10 Losses in a Transformer -- 5.11 Efficiency of Transformer -- 5.12 Polarity of a Transformer -- 5.13 Testing of Transformers -- 5.13.1 Sumpner's Test -- 5.14 Auto Transformer -- 5.14.1 Saving in Copper in Auto Transformer -- Chapter 6. DC Machines -- 6.1 Introduction -- 6.2 Construction -- 6.3 EMF Equations -- 6.3.1 Armature Reaction -- 6.3.2 Commutation -- 6.4 Classication of DC Machines.

6.5 Magnetisation Characteristics -- 6.6 Terminal Characteristic of Shunt Generator -- 6.6.1 Series Generator Characteristic -- 6.6.2 Load Characteristics of Compound Generator -- 6.7 DC Motors -- 6.7.1 DC Shunt Motor -- 6.7.2 DC Series Motor -- 6.7.3 DC Motor Starter -- 6.8 Losses in DC Machines -- 6.9 Efficiency of DC Machines -- 6.10 Swinburne Test -- Chapter 7 Three-Phase Synchronous Machines -- 7.1 Introduction -- 7.2 Construction -- 7.2.1 EMF Equation -- 7.2.2 Rotating Magnetic Field -- 7.2.3 Armature Reaction -- 7.2.4 Open Circuit and Short Circuit Tests on Alternator -- 7.2.5 Voltage Regulation -- 7.2.6 Losses and Efficiency -- 7.2.7 Magnetic Poles in Machines -- 7.2.8 Steady State Operation -- 7.2.9 Power and Torque -- 7.3 Effect of Excitation on Armature Current -- 7.4 Change of Load -- 7.5 Starting of Synchronous Motor -- 7.5.1 Damper Winding Starting -- 7.5.2 Auxiliary Motor Starting -- 7.6 Speed Torque Characteristic -- 7.7 Synchronous Condenser -- 7.8 Applications -- 7.9 Stepper Motor -- 7.9.1 Permanent Magnet Type -- 7.9.2 Comparison of Stepper Motors -- 7.9.3 Application -- Chapter 8. Three-Phase Induction Motors -- 8.1 Introduction -- 8.2 Construction -- 8.3 Principle of Operation -- 8.4 EMF and Current Relations (Equivalent Circuit) -- 8.5 Mechanical Power Developed -- 8.6 Starting of 3-Phase Induction Motors -- 8.7 Industrial Application -- Chapter 9. Single Phase Induction Motors -- 9.1 Introduction -- 9.2 Principle of Operation -- 9.3 Starting of Single Phase Induction Motors -- 9.4 Application -- 9.5 Universal Motor -- 9.6 Synchros -- 9.7 DC Tachometer -- 9.8 AC Tachometer -- 9.9 Two Phase Servomotor -- Chapter 10. Power System -- 10.1 Introduction -- 10.2 Types of Distribution System -- 10.2.1 The Radial Systems -- 10.2.2 The Ring Mains Systems -- 10.3 Cost Comparison of Supply Systems -- 10.4 Power Factor Improvement.

10.4.1 Causes of Low p.f -- 10.4.2 Methods to Improve p.f -- 10.5 Generation- Non-Conventional Sources -- 10.5.1 Tidal Power -- 10.5.2 Wind Power -- 10.5.3 Geothermal Power -- 10.5.4 Wave Power -- 10.5.5 Magneto Hydro Dynamic (MHD) Generation -- 10.5.6 Solar Energy -- 10.6 Conventional Sources -- 10.6.1 Hydro Station -- 10.6.2 Steam power Plant -- 10.6.3 Nuclear Power Plants -- 10.6.4 The Gas Turbine plant -- Chapter 11. Domestic Wiring -- 11.1 Introduction -- 11.2 Types of Domestic Wiring -- 11.2.1 Cleat Wiring -- 11.2.2 Wooden/PVC Casing and Capping Wiring -- 11.2.3 Toughened Rubber Sheath (TRS or CTS) or Batton Wiring -- 11.2.4 Conduit Wiring -- 11.3 Specifications of Wires -- 11.3.1 Size of Conductor -- 11.4 Distribution Board -- 11.5 Types of Cables -- 11.6 Lighting Control Circuits -- 11.7 Earthing System -- 11.8 Fuses and HRC Fuses -- 11.8.1 Calculation of Fuse Rating -- Index.