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Electrical Insulation Conference and Electrical Manufacturing Expo
| Electrical Insulation Conference and Electrical Manufacturing Expo |
| Pubbl/distr/stampa | Piscataway, NJ : , : IEEE, , -[2007] |
| Disciplina |
621
621.31937 |
| Soggetto topico |
Electric insulators and insulation
Electric machinery Electric machinery - Windings |
| Soggetto genere / forma | Conference papers and proceedings. |
| Formato | Materiale a stampa  |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISA-996581541703316 |
| Piscataway, NJ : , : IEEE, , -[2007] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
Electrical Insulation Conference and Electrical Manufacturing Expo
| Electrical Insulation Conference and Electrical Manufacturing Expo |
| Pubbl/distr/stampa | Piscataway, NJ : , : IEEE, , -[2007] |
| Disciplina |
621
621.31937 |
| Soggetto topico |
Electric insulators and insulation
Electric machinery Electric machinery - Windings |
| Soggetto genere / forma | Conference papers and proceedings. |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910873187303321 |
| Piscataway, NJ : , : IEEE, , -[2007] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Electrical machine fundamentals with numerical simulation using MATLAB/SIMULINK / / Atif Iqbal, Shaikh Moinoddin, Bhimireddy Prathap Reddy
| Electrical machine fundamentals with numerical simulation using MATLAB/SIMULINK / / Atif Iqbal, Shaikh Moinoddin, Bhimireddy Prathap Reddy |
| Autore | Iqbal Atif |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : Wiley, , [2021] |
| Descrizione fisica | 1 online resource (835 pages) |
| Disciplina | 621.31042 |
| Soggetto topico | Electric machinery |
| ISBN |
1-119-68266-5
1-119-68265-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- Title Page -- Copyright -- Contents -- Preface -- Acknowledgements -- Chapter 1 Fundamentals of Electrical Machines -- 1.1 Preliminary Remarks -- 1.2 Basic Laws of Electrical Engineering -- 1.2.1 Ohm's Law -- 1.2.2 Generalization of Ohm's Law -- 1.2.2.1 Derivation of Eq. (1.6) -- 1.2.3 Ohm's Law for Magnetic Circuits -- 1.2.4 Kirchhoff's Laws for Magnetic Circuits -- 1.2.5 Lorentz Force Law -- 1.2.6 Biot‐Savart Law -- 1.2.7 Ampere Circuital Law -- 1.2.8 Faraday's Law -- 1.2.8.1 Motional emf -- 1.2.9 Flux Linkages and Induced Voltages -- 1.2.10 Induced Voltages -- 1.2.11 Induced Electric Fields -- 1.2.12 Reformulation of Faraday's Law -- 1.3 Inductance -- 1.3.1 Application of Ampere's Law to Find B in a Solenoid -- 1.3.2 Magnetic Field of a Toroid -- 1.3.3 The Inductance of Circular Air‐Cored Toroid -- 1.3.4 Mutual Inductance -- 1.4 Energy -- 1.5 Overview of Electric Machines -- 1.6 Summary -- Problems -- References -- Chapter 2 Magnetic Circuits -- 2.1 Preliminary Remarks -- 2.2 Permeability -- 2.3 Classification of Magnetic Materials -- 2.3.1 Uniform Magnetic Field -- 2.3.2 Magnetic‐Field Intensity -- 2.4 Hysteresis Loop -- 2.4.1 Hysteresis Loop for Soft Iron and Steel -- 2.5 Eddy‐Current and Core Losses -- 2.6 Magnetic Circuits -- 2.6.1 The Magnetic Circuit Concept -- 2.6.2 Magnetic Circuits Terminology -- 2.6.2.1 Limitations of the Analogy Between Electric and Magnetic Circuits -- 2.6.3 Effect of Air Gaps -- 2.6.3.1 Magnetic Circuit with an Air Gap -- 2.6.3.2 Magnetic Forces Exerted by Electromagnets -- 2.7 Field Energy -- 2.7.1 Energy Stored in a Magnetic Field -- 2.7.1.1 The Magnetic Energy in Terms of the Magnetic Induction B -- 2.7.1.2 The Magnetic Energy in Terms of the Current Density J and the Vector Potential A -- 2.7.1.3 The Magnetic Energy in Terms of the Current I and of the Flux Ψm.
2.7.1.4 The Magnetic Energy in Terms of the Currents and Inductances -- 2.8 The Magnetic Energy for a Solenoid Carrying a Current I -- 2.9 Energy Flow Diagram -- 2.9.1 Power Flow Diagram of DC Generator and DC Motor -- 2.9.1.1 Power Flow Diagram and Losses of Induction Motor -- 2.9.1.2 Rotational Losses -- 2.10 Multiple Excited Systems -- 2.11 Doubly Excited Systems -- 2.11.1 Torque Developed -- 2.11.1.1 Excitation Torque -- 2.11.1.2 Reluctance Torque -- 2.12 Concept of Rotating Magnetic Field -- 2.12.1 Rotating Magnetic Field due to Three‐Phase Currents -- 2.12.1.1 Speed of Rotating Magnetic Field -- 2.12.1.2 Direction of Rotating Magnetic Field -- 2.12.2 Alternate Mathematical Analysis for Rotating Magnetic Field -- 2.13 Summary -- Problems -- References -- Chapter 3 Single‐Phase and Three‐Phase Transformers -- 3.1 Preliminary Remarks -- 3.2 Classification of Transformers -- 3.2.1 Classification Based on Number of Phases -- 3.2.1.1 Single‐Phase Transformers -- 3.2.1.2 Three‐Phase Transformers -- 3.2.1.3 Multi‐Phase Transformers -- 3.2.2 Classification Based on Operation -- 3.2.2.1 Step‐Up Transformers -- 3.2.2.2 Step‐Down Transformers -- 3.2.3 Classification Based on Construction -- 3.2.3.1 Core‐Type Transformers -- 3.2.3.2 Shell‐Type Transformers -- 3.2.4 Classification Based on Number of Windings -- 3.2.4.1 Single‐Winding Transformer -- 3.2.4.2 Two‐Winding Transformer -- 3.2.4.3 Three‐Winding Transformer -- 3.2.5 Classification Based on Use -- 3.2.5.1 Power Transformer -- 3.2.5.2 Distribution Transformer -- 3.3 Principle of Operation of the Transformer -- 3.3.1 Ideal Transformer -- 3.4 Impedance Transformation -- 3.5 DOT Convention -- 3.6 Real/Practical Transformer -- 3.7 Equivalent Circuit of a Single‐Phase Transformer -- 3.8 Phasor Diagrams Under Load Condition -- 3.9 Testing of Transformer -- 3.9.1 Open‐Circuit Test -- 3.9.2 Short‐Circuit Test. 3.10 Performance Measures of a Transformer -- 3.10.1 Voltage Regulation -- 3.10.1.1 Condition for Maximum Voltage Regulation -- 3.10.1.2 Condition for Zero Voltage Regulation -- 3.10.2 Efficiency of Transformer -- 3.10.3 Maximum Efficiency Condition -- 3.11 All‐Day Efficiency or Energy Efficiency -- 3.12 Autotransformer -- 3.13 Three‐Phase Transformer -- 3.13.1 Input (Y), Output (Δ) -- 3.13.2 Input Delta (Δ), Output Star (Y) -- 3.13.3 Input Delta (Δ), Output Delta (Δ) -- 3.13.4 Input Star (Y), Output Star (Y) -- 3.14 Single‐Phase Equivalent Circuit of Three‐Phase Transformer -- 3.15 Open‐Delta Connection or V Connection -- 3.16 Harmonics in a Single‐Phase Transformer -- 3.16.1 Excitation Phenomena in a Single‐Phase Transformer -- 3.16.2 Harmonics in a Three‐Phase Transformer -- 3.16.2.1 Star‐Delta Connection with Grounded Neutral -- 3.16.2.2 Star‐Delta Connection without Grounded Neutral -- 3.16.3 Summary -- 3.16.4 Star‐Star with Isolated Neutral -- 3.17 Disadvantages of Harmonics in Transformer -- 3.17.1 Effect of Harmonic Currents -- 3.17.2 Electromagnetic Interference -- 3.17.3 Effect of Harmonic Voltages -- 3.17.4 Summary -- 3.17.5 Oscillating Neutral Phenomena -- 3.18 Open Circuit and Short‐Circuit Conditions in a Three‐Phase Transformer -- 3.19 Matlab/Simulink Model of a Single‐Phase Transformer -- 3.20 Matlab/Simulink Model of Testing of Transformer -- 3.21 Matlab/Simulink Model of Autotransformer -- 3.22 Matlab/Simulink Model of Three‐Phase Transformer -- 3.23 Supplementary Solved Problems -- 3.24 Summary -- 3.25 Problems -- References -- Chapter 4 Fundamentals of Rotating Electrical Machines and Machine Windings -- 4.1 Preliminary Remarks -- 4.2 Generator Principle -- 4.2.1 Simple Loop Generator -- 4.2.2 Action of Commutator -- 4.2.3 Force on a Conductor -- 4.2.3.1 DC Motor Principle -- 4.2.3.2 Motor Action -- 4.3 Machine Windings. 4.3.1 Coil Construction -- 4.3.1.1 Coil Construction: Distributed Winding -- 4.3.1.2 Coil Construction: Concentrated Winding -- 4.3.1.3 Coil Construction: Conductor Bar -- 4.3.2 Revolving (Rotor) Winding -- 4.3.3 Stationary (Stator) Winding -- 4.3.4 DC Armature Windings -- 4.3.4.1 Pole Pitch (Yp) -- 4.3.4.2 Coil Pitch or Coil Span (Ycs) -- 4.3.4.3 Back Pitch (Yb) -- 4.3.4.4 Front Pitch (Yf) -- 4.3.4.5 Resultant Pitch (Y) -- 4.3.4.6 Commutator Pitch (a) -- 4.3.5 Lap Winding -- 4.3.5.1 Lap Multiple or Parallel Windings -- 4.3.5.2 Formulas for Lap Winding -- 4.3.5.3 Multiplex, Single, Double, and Triple Windings -- 4.3.5.4 Meaning of the Term Re‐entrant -- 4.3.5.5 Multiplex Lap Windings -- 4.3.6 Wave Winding -- 4.3.6.1 Formulas for Wave Winding -- 4.3.6.2 Multiplex Wave or Series‐Parallel Winding -- 4.3.6.3 Formulas for Series‐Parallel Winding -- 4.3.7 Symmetrical Windings -- 4.3.7.1 Possible Symmetrical Windings for DC Machines of a Different Number of Poles -- 4.3.8 Equipotential Connectors (Equalizing Rings) -- 4.3.9 Applications of Lap and Wave Windings -- 4.3.10 Dummy or Idle Coils -- 4.3.10.1 Dummy Coils -- 4.3.11 Whole‐Coil Winding and Half‐Coil Winding -- 4.3.12 Concentrated Winding -- 4.3.13 Distributed Winding -- 4.4 Electromotive Force (emf) Equation -- 4.4.1 emf Equation of an Alternator -- 4.4.1.1 Winding Factor (Coil Pitch and Distributed Windings) -- 4.4.2 Winding Factors -- 4.4.2.1 Pitch Factor or Coil Pitch (Pitch Factor (Kp) or Coil Span Factor [Kc]) -- 4.4.3 Distribution Factor (Breadth Factor (Kb) or Distribution Factor (Kd)) -- 4.4.3.1 Distribution Factor (Kd) -- 4.5 Magnetomotive Force (mmf) of AC Windings -- 4.5.1 mmf and Flux in Rotating Machine -- 4.5.2 Main Air‐Gap Flux (Field Flux) -- 4.5.3 mmf of a Coil -- 4.5.3.1 mmf -- 4.5.3.2 mmf of Distributed Windings -- 4.5.3.3 mmf Space Wave of a Single Coil. 4.5.3.4 mmf Space Wave of One Phase of a Distributed Winding -- 4.6 Harmonic Effect -- 4.6.1 The Form Factor and the emf per Conductor -- 4.6.2 The Wave Form -- 4.6.3 Problem Due to Harmonics -- 4.6.4 Elimination or Suppression of Harmonics -- 4.6.4.1 Shape of Pole Face -- 4.6.4.2 Use of Several Slots per Phase per Pole -- 4.6.4.3 Use of Short‐Pitch Windings -- 4.6.4.4 Effect of the Y‐ and Δ ‐Connection on Harmonics -- 4.6.4.5 Harmonics Produced by Armature Slots -- 4.7 Basic Principles of Electric Machines -- 4.7.1 AC Rotating Machines -- 4.7.1.1 The Rotating Magnetic Field -- 4.7.1.2 The Relationship between Electrical Frequency and the Speed of Magnetic Field Rotation -- 4.7.1.3 Reversing the Direction of the Magnetic Field Rotation -- 4.7.1.4 The Induced Voltage in AC Machines -- 4.7.1.5 The Induced Voltage in a Coil on a Two‐Pole Stator -- 4.7.1.6 The Induced Voltage in a Three‐Phase Set of Coils -- 4.7.1.7 The rms Voltage in a Three‐Phase Stator -- 4.7.2 The Induced Torque in an AC Machine -- 4.8 Summary -- Problems -- References -- Chapter 5 DC Machines -- 5.1 Preliminary Remarks -- 5.2 Construction and Types of DC Generator -- 5.2.1 Construction of DC Machine -- 5.2.2 Types of DC Generator -- 5.3 Principle of Operation of DC Generator -- 5.3.1 Voltage Build‐Up in a DC Generator -- 5.3.2 Function of Commutator -- 5.4 Commutation Problem and Solution -- 5.4.1 Brush Shifting -- 5.4.2 Commutating Poles -- 5.4.3 Compensating Windings -- 5.5 Types of Windings -- 5.6 emf Equations in a DC Generator -- 5.7 Brush Placement in a DC Machine -- 5.8 Equivalent Circuit of DC Generator -- 5.9 Losses of DC Generator -- 5.10 Armature Reaction -- 5.10.1 No‐Load Operation -- 5.10.2 Loaded Operation -- 5.11 Principle of Operation of a DC Motor -- 5.11.1 Equivalent Circuit of a DC Motor -- 5.12 emf and Torque Equations of DC Motor -- 5.13 Types of DC Motor. 5.13.1 Separately Excited DC Motor. |
| Record Nr. | UNINA-9910677021103321 |
Iqbal Atif
|
||
| Hoboken, New Jersey : , : Wiley, , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Electrical machine fundamentals with numerical simulation usingMATLAB/SIMULINK / / Atif Iqbal, Shaikh Moinoddin, Bhimireddy Prathap Reddy
| Electrical machine fundamentals with numerical simulation usingMATLAB/SIMULINK / / Atif Iqbal, Shaikh Moinoddin, Bhimireddy Prathap Reddy |
| Autore | Iqbal Atif |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : Wiley, , [2021] |
| Descrizione fisica | 1 online resource (835 pages) |
| Disciplina | 621.31042 |
| Soggetto topico | Electric machinery |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-119-68266-5
1-119-68265-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Cover -- Title Page -- Copyright -- Contents -- Preface -- Acknowledgements -- Chapter 1 Fundamentals of Electrical Machines -- 1.1 Preliminary Remarks -- 1.2 Basic Laws of Electrical Engineering -- 1.2.1 Ohm's Law -- 1.2.2 Generalization of Ohm's Law -- 1.2.2.1 Derivation of Eq. (1.6) -- 1.2.3 Ohm's Law for Magnetic Circuits -- 1.2.4 Kirchhoff's Laws for Magnetic Circuits -- 1.2.5 Lorentz Force Law -- 1.2.6 Biot‐Savart Law -- 1.2.7 Ampere Circuital Law -- 1.2.8 Faraday's Law -- 1.2.8.1 Motional emf -- 1.2.9 Flux Linkages and Induced Voltages -- 1.2.10 Induced Voltages -- 1.2.11 Induced Electric Fields -- 1.2.12 Reformulation of Faraday's Law -- 1.3 Inductance -- 1.3.1 Application of Ampere's Law to Find B in a Solenoid -- 1.3.2 Magnetic Field of a Toroid -- 1.3.3 The Inductance of Circular Air‐Cored Toroid -- 1.3.4 Mutual Inductance -- 1.4 Energy -- 1.5 Overview of Electric Machines -- 1.6 Summary -- Problems -- References -- Chapter 2 Magnetic Circuits -- 2.1 Preliminary Remarks -- 2.2 Permeability -- 2.3 Classification of Magnetic Materials -- 2.3.1 Uniform Magnetic Field -- 2.3.2 Magnetic‐Field Intensity -- 2.4 Hysteresis Loop -- 2.4.1 Hysteresis Loop for Soft Iron and Steel -- 2.5 Eddy‐Current and Core Losses -- 2.6 Magnetic Circuits -- 2.6.1 The Magnetic Circuit Concept -- 2.6.2 Magnetic Circuits Terminology -- 2.6.2.1 Limitations of the Analogy Between Electric and Magnetic Circuits -- 2.6.3 Effect of Air Gaps -- 2.6.3.1 Magnetic Circuit with an Air Gap -- 2.6.3.2 Magnetic Forces Exerted by Electromagnets -- 2.7 Field Energy -- 2.7.1 Energy Stored in a Magnetic Field -- 2.7.1.1 The Magnetic Energy in Terms of the Magnetic Induction B -- 2.7.1.2 The Magnetic Energy in Terms of the Current Density J and the Vector Potential A -- 2.7.1.3 The Magnetic Energy in Terms of the Current I and of the Flux Ψm.
2.7.1.4 The Magnetic Energy in Terms of the Currents and Inductances -- 2.8 The Magnetic Energy for a Solenoid Carrying a Current I -- 2.9 Energy Flow Diagram -- 2.9.1 Power Flow Diagram of DC Generator and DC Motor -- 2.9.1.1 Power Flow Diagram and Losses of Induction Motor -- 2.9.1.2 Rotational Losses -- 2.10 Multiple Excited Systems -- 2.11 Doubly Excited Systems -- 2.11.1 Torque Developed -- 2.11.1.1 Excitation Torque -- 2.11.1.2 Reluctance Torque -- 2.12 Concept of Rotating Magnetic Field -- 2.12.1 Rotating Magnetic Field due to Three‐Phase Currents -- 2.12.1.1 Speed of Rotating Magnetic Field -- 2.12.1.2 Direction of Rotating Magnetic Field -- 2.12.2 Alternate Mathematical Analysis for Rotating Magnetic Field -- 2.13 Summary -- Problems -- References -- Chapter 3 Single‐Phase and Three‐Phase Transformers -- 3.1 Preliminary Remarks -- 3.2 Classification of Transformers -- 3.2.1 Classification Based on Number of Phases -- 3.2.1.1 Single‐Phase Transformers -- 3.2.1.2 Three‐Phase Transformers -- 3.2.1.3 Multi‐Phase Transformers -- 3.2.2 Classification Based on Operation -- 3.2.2.1 Step‐Up Transformers -- 3.2.2.2 Step‐Down Transformers -- 3.2.3 Classification Based on Construction -- 3.2.3.1 Core‐Type Transformers -- 3.2.3.2 Shell‐Type Transformers -- 3.2.4 Classification Based on Number of Windings -- 3.2.4.1 Single‐Winding Transformer -- 3.2.4.2 Two‐Winding Transformer -- 3.2.4.3 Three‐Winding Transformer -- 3.2.5 Classification Based on Use -- 3.2.5.1 Power Transformer -- 3.2.5.2 Distribution Transformer -- 3.3 Principle of Operation of the Transformer -- 3.3.1 Ideal Transformer -- 3.4 Impedance Transformation -- 3.5 DOT Convention -- 3.6 Real/Practical Transformer -- 3.7 Equivalent Circuit of a Single‐Phase Transformer -- 3.8 Phasor Diagrams Under Load Condition -- 3.9 Testing of Transformer -- 3.9.1 Open‐Circuit Test -- 3.9.2 Short‐Circuit Test. 3.10 Performance Measures of a Transformer -- 3.10.1 Voltage Regulation -- 3.10.1.1 Condition for Maximum Voltage Regulation -- 3.10.1.2 Condition for Zero Voltage Regulation -- 3.10.2 Efficiency of Transformer -- 3.10.3 Maximum Efficiency Condition -- 3.11 All‐Day Efficiency or Energy Efficiency -- 3.12 Autotransformer -- 3.13 Three‐Phase Transformer -- 3.13.1 Input (Y), Output (Δ) -- 3.13.2 Input Delta (Δ), Output Star (Y) -- 3.13.3 Input Delta (Δ), Output Delta (Δ) -- 3.13.4 Input Star (Y), Output Star (Y) -- 3.14 Single‐Phase Equivalent Circuit of Three‐Phase Transformer -- 3.15 Open‐Delta Connection or V Connection -- 3.16 Harmonics in a Single‐Phase Transformer -- 3.16.1 Excitation Phenomena in a Single‐Phase Transformer -- 3.16.2 Harmonics in a Three‐Phase Transformer -- 3.16.2.1 Star‐Delta Connection with Grounded Neutral -- 3.16.2.2 Star‐Delta Connection without Grounded Neutral -- 3.16.3 Summary -- 3.16.4 Star‐Star with Isolated Neutral -- 3.17 Disadvantages of Harmonics in Transformer -- 3.17.1 Effect of Harmonic Currents -- 3.17.2 Electromagnetic Interference -- 3.17.3 Effect of Harmonic Voltages -- 3.17.4 Summary -- 3.17.5 Oscillating Neutral Phenomena -- 3.18 Open Circuit and Short‐Circuit Conditions in a Three‐Phase Transformer -- 3.19 Matlab/Simulink Model of a Single‐Phase Transformer -- 3.20 Matlab/Simulink Model of Testing of Transformer -- 3.21 Matlab/Simulink Model of Autotransformer -- 3.22 Matlab/Simulink Model of Three‐Phase Transformer -- 3.23 Supplementary Solved Problems -- 3.24 Summary -- 3.25 Problems -- References -- Chapter 4 Fundamentals of Rotating Electrical Machines and Machine Windings -- 4.1 Preliminary Remarks -- 4.2 Generator Principle -- 4.2.1 Simple Loop Generator -- 4.2.2 Action of Commutator -- 4.2.3 Force on a Conductor -- 4.2.3.1 DC Motor Principle -- 4.2.3.2 Motor Action -- 4.3 Machine Windings. 4.3.1 Coil Construction -- 4.3.1.1 Coil Construction: Distributed Winding -- 4.3.1.2 Coil Construction: Concentrated Winding -- 4.3.1.3 Coil Construction: Conductor Bar -- 4.3.2 Revolving (Rotor) Winding -- 4.3.3 Stationary (Stator) Winding -- 4.3.4 DC Armature Windings -- 4.3.4.1 Pole Pitch (Yp) -- 4.3.4.2 Coil Pitch or Coil Span (Ycs) -- 4.3.4.3 Back Pitch (Yb) -- 4.3.4.4 Front Pitch (Yf) -- 4.3.4.5 Resultant Pitch (Y) -- 4.3.4.6 Commutator Pitch (a) -- 4.3.5 Lap Winding -- 4.3.5.1 Lap Multiple or Parallel Windings -- 4.3.5.2 Formulas for Lap Winding -- 4.3.5.3 Multiplex, Single, Double, and Triple Windings -- 4.3.5.4 Meaning of the Term Re‐entrant -- 4.3.5.5 Multiplex Lap Windings -- 4.3.6 Wave Winding -- 4.3.6.1 Formulas for Wave Winding -- 4.3.6.2 Multiplex Wave or Series‐Parallel Winding -- 4.3.6.3 Formulas for Series‐Parallel Winding -- 4.3.7 Symmetrical Windings -- 4.3.7.1 Possible Symmetrical Windings for DC Machines of a Different Number of Poles -- 4.3.8 Equipotential Connectors (Equalizing Rings) -- 4.3.9 Applications of Lap and Wave Windings -- 4.3.10 Dummy or Idle Coils -- 4.3.10.1 Dummy Coils -- 4.3.11 Whole‐Coil Winding and Half‐Coil Winding -- 4.3.12 Concentrated Winding -- 4.3.13 Distributed Winding -- 4.4 Electromotive Force (emf) Equation -- 4.4.1 emf Equation of an Alternator -- 4.4.1.1 Winding Factor (Coil Pitch and Distributed Windings) -- 4.4.2 Winding Factors -- 4.4.2.1 Pitch Factor or Coil Pitch (Pitch Factor (Kp) or Coil Span Factor [Kc]) -- 4.4.3 Distribution Factor (Breadth Factor (Kb) or Distribution Factor (Kd)) -- 4.4.3.1 Distribution Factor (Kd) -- 4.5 Magnetomotive Force (mmf) of AC Windings -- 4.5.1 mmf and Flux in Rotating Machine -- 4.5.2 Main Air‐Gap Flux (Field Flux) -- 4.5.3 mmf of a Coil -- 4.5.3.1 mmf -- 4.5.3.2 mmf of Distributed Windings -- 4.5.3.3 mmf Space Wave of a Single Coil. 4.5.3.4 mmf Space Wave of One Phase of a Distributed Winding -- 4.6 Harmonic Effect -- 4.6.1 The Form Factor and the emf per Conductor -- 4.6.2 The Wave Form -- 4.6.3 Problem Due to Harmonics -- 4.6.4 Elimination or Suppression of Harmonics -- 4.6.4.1 Shape of Pole Face -- 4.6.4.2 Use of Several Slots per Phase per Pole -- 4.6.4.3 Use of Short‐Pitch Windings -- 4.6.4.4 Effect of the Y‐ and Δ ‐Connection on Harmonics -- 4.6.4.5 Harmonics Produced by Armature Slots -- 4.7 Basic Principles of Electric Machines -- 4.7.1 AC Rotating Machines -- 4.7.1.1 The Rotating Magnetic Field -- 4.7.1.2 The Relationship between Electrical Frequency and the Speed of Magnetic Field Rotation -- 4.7.1.3 Reversing the Direction of the Magnetic Field Rotation -- 4.7.1.4 The Induced Voltage in AC Machines -- 4.7.1.5 The Induced Voltage in a Coil on a Two‐Pole Stator -- 4.7.1.6 The Induced Voltage in a Three‐Phase Set of Coils -- 4.7.1.7 The rms Voltage in a Three‐Phase Stator -- 4.7.2 The Induced Torque in an AC Machine -- 4.8 Summary -- Problems -- References -- Chapter 5 DC Machines -- 5.1 Preliminary Remarks -- 5.2 Construction and Types of DC Generator -- 5.2.1 Construction of DC Machine -- 5.2.2 Types of DC Generator -- 5.3 Principle of Operation of DC Generator -- 5.3.1 Voltage Build‐Up in a DC Generator -- 5.3.2 Function of Commutator -- 5.4 Commutation Problem and Solution -- 5.4.1 Brush Shifting -- 5.4.2 Commutating Poles -- 5.4.3 Compensating Windings -- 5.5 Types of Windings -- 5.6 emf Equations in a DC Generator -- 5.7 Brush Placement in a DC Machine -- 5.8 Equivalent Circuit of DC Generator -- 5.9 Losses of DC Generator -- 5.10 Armature Reaction -- 5.10.1 No‐Load Operation -- 5.10.2 Loaded Operation -- 5.11 Principle of Operation of a DC Motor -- 5.11.1 Equivalent Circuit of a DC Motor -- 5.12 emf and Torque Equations of DC Motor -- 5.13 Types of DC Motor. 5.13.1 Separately Excited DC Motor. |
| Record Nr. | UNINA-9910555001703321 |
|
Iqbal Atif
|
||
| Hoboken, New Jersey : , : Wiley, , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Electrical power systems technology / / Stephen W. Fardo, Dale R. Patrick
| Electrical power systems technology / / Stephen W. Fardo, Dale R. Patrick |
| Autore | Fardo Stephen W. |
| Edizione | [3rd ed.] |
| Pubbl/distr/stampa | Lilburn, Georgia : , : Fairmont Press, , [2009] |
| Descrizione fisica | 1 online resource (496 p.) |
| Disciplina | 621.31 |
| Soggetto topico |
Electric power systems
Electric machinery |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-62870-448-9
88-17-35868-1 0-88173-586-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Preface""; ""UNIT I Power Measurement Systems and Fundamentals""; ""Chapter 1 Power Measurement Fundamentals""; ""Chapter 2 Power System Fundamentals""; ""Chapter 3 Power Measurement Equipment""; ""UNIT II Electrical Power Production Systems""; ""Chapter 4 Modern Power Systems""; ""Chapter 5 Alternative Power Systems""; ""Chapter 6 Alternating Current Power Systems""; ""Chapter 7 Direct Current Power Systems""; ""UNIT III Electrical Power Distribution Systems""; ""Chapter 8 Power Distribution Fundamentals""; ""Chapter 9 Power Distribution Equipment""
""Chapter 10 Single-phase and Three-phase Distribution Systems""""UNIT IV Electrical Power Conversion Systems""; ""Chapter 11 Fundamentals of Electrical Loads""; ""Chapter 12 Heating Systems""; ""Chapter 13 Lighting Systems""; ""Chapter 14 Mechanical Systems""; ""UNIT V Electrical Power Control Systems""; ""Chapter 15 Power Control""; ""Chapter 16 Operational Power Control Systems""; ""Chapter 17 Control Devices""; ""Appendix A Trigonometric Functions""; ""Appendix B The Elements""; ""Appendix C Metric Conversions""; ""Index"" |
| Record Nr. | UNINA-9910454221703321 |
|
Fardo Stephen W.
|
||
| Lilburn, Georgia : , : Fairmont Press, , [2009] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Electrical power systems technology / / Stephen W. Fardo, Dale R. Patrick
| Electrical power systems technology / / Stephen W. Fardo, Dale R. Patrick |
| Autore | Fardo Stephen W. |
| Edizione | [3rd ed.] |
| Pubbl/distr/stampa | Lilburn, Georgia : , : Fairmont Press, , [2009] |
| Descrizione fisica | 1 online resource (496 p.) |
| Disciplina | 621.31 |
| Soggetto topico |
Electric power systems
Electric machinery |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-62870-448-9
88-17-35868-1 0-88173-586-8 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
""Contents""; ""Preface""; ""UNIT I Power Measurement Systems and Fundamentals""; ""Chapter 1 Power Measurement Fundamentals""; ""Chapter 2 Power System Fundamentals""; ""Chapter 3 Power Measurement Equipment""; ""UNIT II Electrical Power Production Systems""; ""Chapter 4 Modern Power Systems""; ""Chapter 5 Alternative Power Systems""; ""Chapter 6 Alternating Current Power Systems""; ""Chapter 7 Direct Current Power Systems""; ""UNIT III Electrical Power Distribution Systems""; ""Chapter 8 Power Distribution Fundamentals""; ""Chapter 9 Power Distribution Equipment""
""Chapter 10 Single-phase and Three-phase Distribution Systems""""UNIT IV Electrical Power Conversion Systems""; ""Chapter 11 Fundamentals of Electrical Loads""; ""Chapter 12 Heating Systems""; ""Chapter 13 Lighting Systems""; ""Chapter 14 Mechanical Systems""; ""UNIT V Electrical Power Control Systems""; ""Chapter 15 Power Control""; ""Chapter 16 Operational Power Control Systems""; ""Chapter 17 Control Devices""; ""Appendix A Trigonometric Functions""; ""Appendix B The Elements""; ""Appendix C Metric Conversions""; ""Index"" |
| Record Nr. | UNINA-9910541392503321 |
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Fardo Stephen W.
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| Lilburn, Georgia : , : Fairmont Press, , [2009] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Electrical power systems technology / / Dale R. Patrick, Stephen W. Fardo and Brian W. Fardo
| Electrical power systems technology / / Dale R. Patrick, Stephen W. Fardo and Brian W. Fardo |
| Autore | Patrick Dale R. |
| Edizione | [Fourth edition.] |
| Pubbl/distr/stampa | Denmark : , : River Publishers, , [2021] |
| Descrizione fisica | 1 online resource (542 pages) : illustrations |
| Disciplina | 621.31 |
| Collana | River Publishers series in power |
| Soggetto topico |
Electric machinery
Electric power systems Electric power production |
| ISBN |
1-00-320742-1
1-5231-4457-2 1-003-20742-1 1-000-60011-4 87-7022-665-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Cover -- Title -- RIVER PUBLISHERS SERIES IN POWER -- Electrical PowerSystems Technology -- Copyrights -- Contents -- Preface -- UNIT I POWER MEASUREMENT SYSTEMS AND FUNDAMENTALS -- Chapter 1 Power Measurement Fundamentals -- Chapter 2 Power System Fundamentals -- Chapter 3 Power Measurement Equipment -- UNIT II Electrical Power Production Systems -- Chapter 4 Modern Power Systems -- Chapter 5 Alternative Power Systems -- Chapter 6 Alternating Current Power Systems -- Chapter 7 Direct Current Power Systems -- UNIT III Electrical Power Distribution Systems -- Chapter 8 Power Distribution Fundamentals -- Chapter 9 Power Distribution Equipment -- Chapter 10 Single-Phase and Three-Phase Distribution Systems -- UNIT IV Electrical Power Conversion Systems -- Chapter 11 Fundamentals of Electrical Loads -- Chapter 12 Heating Systems -- Chapter 13 Lighting Systems -- Chapter 14 Mechanical Systems -- UNIT V Electrical Power Control Systems -- Chapter 15 Power Control Devices -- Chapter 16 Operational Power Control Systems -- Chapter 17 Control Devices -- Chapter 18 Evolving Power System Technologies and Considerations -- Appendix A Trigonometric Functions -- Appendix B The Elements -- Appendix C Metric Conversions -- Index -- About the Authors. |
| Record Nr. | UNINA-9910794620303321 |
|
Patrick Dale R.
|
||
| Denmark : , : River Publishers, , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Electrical power systems technology / / Dale R. Patrick, Stephen W. Fardo and Brian W. Fardo
| Electrical power systems technology / / Dale R. Patrick, Stephen W. Fardo and Brian W. Fardo |
| Autore | Patrick Dale R. |
| Edizione | [Fourth edition.] |
| Pubbl/distr/stampa | Denmark : , : River Publishers, , [2021] |
| Descrizione fisica | 1 online resource (542 pages) : illustrations |
| Disciplina | 621.31 |
| Collana | River Publishers series in power |
| Soggetto topico |
Electric machinery
Electric power systems Electric power production |
| ISBN |
1-00-320742-1
1-5231-4457-2 1-003-20742-1 1-000-60011-4 87-7022-665-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Cover -- Title -- RIVER PUBLISHERS SERIES IN POWER -- Electrical PowerSystems Technology -- Copyrights -- Contents -- Preface -- UNIT I POWER MEASUREMENT SYSTEMS AND FUNDAMENTALS -- Chapter 1 Power Measurement Fundamentals -- Chapter 2 Power System Fundamentals -- Chapter 3 Power Measurement Equipment -- UNIT II Electrical Power Production Systems -- Chapter 4 Modern Power Systems -- Chapter 5 Alternative Power Systems -- Chapter 6 Alternating Current Power Systems -- Chapter 7 Direct Current Power Systems -- UNIT III Electrical Power Distribution Systems -- Chapter 8 Power Distribution Fundamentals -- Chapter 9 Power Distribution Equipment -- Chapter 10 Single-Phase and Three-Phase Distribution Systems -- UNIT IV Electrical Power Conversion Systems -- Chapter 11 Fundamentals of Electrical Loads -- Chapter 12 Heating Systems -- Chapter 13 Lighting Systems -- Chapter 14 Mechanical Systems -- UNIT V Electrical Power Control Systems -- Chapter 15 Power Control Devices -- Chapter 16 Operational Power Control Systems -- Chapter 17 Control Devices -- Chapter 18 Evolving Power System Technologies and Considerations -- Appendix A Trigonometric Functions -- Appendix B The Elements -- Appendix C Metric Conversions -- Index -- About the Authors. |
| Record Nr. | UNINA-9910826505903321 |
|
Patrick Dale R.
|
||
| Denmark : , : River Publishers, , [2021] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Elektrotechnik und Informationstechnik : E & I
| Elektrotechnik und Informationstechnik : E & I |
| Pubbl/distr/stampa | Wien ; ; New York, : Springer-Verlag, 1997- |
| Descrizione fisica | 1 online resource |
| Soggetto topico |
Electrical engineering
Electric machinery Electronic data processing Electronic journals Génie électrique Machines électriques Périodiques électroniques |
| Soggetto genere / forma |
periodicals.
Periodicals. Périodiques. |
| Soggetto non controllato |
LINK - Text files
Titles of electronic journals |
| ISSN | 1613-7620 |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910139673003321 |
| Wien ; ; New York, : Springer-Verlag, 1997- | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Elektrotechnik und Informationstechnik : E & I
| Elektrotechnik und Informationstechnik : E & I |
| Pubbl/distr/stampa | Wien ; ; New York, : Springer-Verlag, 1997- |
| Descrizione fisica | 1 online resource |
| Soggetto topico |
Electrical engineering
Electric machinery Electronic data processing Electronic journals Génie électrique Machines électriques Périodiques électroniques |
| Soggetto genere / forma |
periodicals.
Periodicals. Périodiques. |
| Soggetto non controllato |
LINK - Text files
Titles of electronic journals |
| ISSN | 1613-7620 |
| Formato | Materiale a stampa |
| Livello bibliografico | Periodico |
| Lingua di pubblicazione | eng |
| Record Nr. | UNISA-996207502103316 |
| Wien ; ; New York, : Springer-Verlag, 1997- | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. di Salerno | ||
| ||
