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Electric motors and drives : fundamentals, types and applications / / Austin Hughes, Bill Drury
| Electric motors and drives : fundamentals, types and applications / / Austin Hughes, Bill Drury |
| Autore | Hughes Austin |
| Edizione | [Fifth edition.] |
| Pubbl/distr/stampa | Oxford, United Kingdom : , : Newnes, an imprint of Elsevier, , [2019] |
| Descrizione fisica | 1 online resource (514 pages) |
| Disciplina | 621.46 |
| Soggetto topico |
Control elèctric
Motors elèctrics Electric driving Electric motors |
| ISBN | 0-12-818925-8 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover -- Electric Motors and Drives: Fundamentals, Types and Applications -- Copyright -- Contents -- Preface -- Chapter 1: Electric motors-The basics -- 1.1. Introduction -- 1.2. Producing rotation -- 1.2.1. Magnetic field and magnetic flux -- 1.2.2. Magnetic flux density -- 1.2.3. Force on a conductor -- 1.3. Magnetic circuits -- 1.3.1. Magnetomotive force (m.m.f.) -- 1.3.2. Electric circuit analogy -- 1.3.3. The air-gap -- 1.3.4. Reluctance and air-gap flux densities -- 1.3.5. Saturation -- 1.3.6. Magnetic circuits in motors -- 1.4. Torque production -- 1.4.1. Magnitude of torque -- 1.4.2. The beauty of slotting -- 1.5. Torque and motor volume -- 1.5.1. Specific loadings -- 1.5.2. Torque and rotor volume -- 1.5.3. Output power-Importance of speed -- 1.5.4. Power density (specific output power) -- 1.6. Energy conversion-Motional e.m.f -- 1.6.1. Elementary motor-Stationary conditions -- 1.6.2. Power relationships-Conductor moving at constant speed -- 1.7. Equivalent circuit -- 1.7.1. Motoring and generating -- 1.8. Constant voltage operation -- 1.8.1. Behaviour with no mechanical load -- 1.8.2. Behaviour with a mechanical load -- 1.8.3. Relative magnitudes of V and E, and efficiency -- 1.8.4. Analysis of primitive machine-Conclusions -- 1.9. General properties of electric motors -- 1.9.1. Operating temperature and cooling -- 1.9.2. Torque per unit volume -- 1.9.3. Power per unit volume and efficiency-Importance of speed -- 1.9.4. Size effects-Specific torque and efficiency -- 1.9.5. Rated voltage -- 1.9.6. Short-term overload -- 1.10. Review questions -- Chapter 2: Power electronic converters for motor drives -- 2.1. Introduction -- 2.1.1. General arrangement of drive -- 2.2. Voltage control-D.C. output from d.c. supply -- 2.2.1. Switching control -- 2.2.2. Transistor chopper -- 2.2.3. Chopper with inductive load-Overvoltage protection.
2.2.4. Boost converter -- 2.3. D.C. from a.c.-Controlled rectification -- 2.3.1. The thyristor -- 2.3.2. Single pulse rectifier -- 2.3.3. Single-phase fully-controlled converter-Output voltage and control -- Resistive load -- Inductive (motor) load -- 2.3.4. Three-phase fully-controlled converter -- 2.3.5. Output voltage range -- 2.3.6. Firing circuits -- 2.4. A.C. from d.c.-Inversion -- 2.4.1. Single-phase inverter -- 2.4.2. Output voltage control -- Mode A -- Mode B -- Mode C -- Mode D -- 2.4.3. Three-phase inverter -- 2.4.4. Multi-level inverter -- 2.4.5. Braking -- 2.4.6. Active front end -- 2.5. A.C. from a.c. -- 2.5.1. The cycloconverter -- 2.5.2. The matrix converter -- 2.6. Inverter switching devices -- 2.6.1. Bipolar junction transistor (BJT) -- 2.6.2. Metal oxide semiconductor field effect transistor (MOSFET) -- 2.6.3. Insulated gate bipolar transistor (IGBT) -- 2.7. Converter waveforms, acoustic noise, and cooling -- 2.7.1. Cooling of switching devices-Thermal resistance -- 2.7.2. Arrangement of heatsinks and forced-air cooling -- 2.8. Review questions -- Chapter 3: D.C. motors -- 3.1. Introduction -- 3.2. Torque production -- 3.2.1. Function of the commutator -- 3.2.2. Operation of the commutator-interpoles -- 3.3. Motional e.m.f. -- 3.3.1. Equivalent circuit -- 3.4. D.C. motor-steady-state characteristics -- 3.4.1. No-load speed -- 3.4.2. Performance calculation-example -- 3.4.3. Behaviour when loaded -- 3.4.4. Base speed and field weakening -- 3.4.5. Armature reaction -- 3.4.6. Maximum output power -- 3.5. Transient behaviour -- 3.5.1. Dynamic behaviour and time-constants -- 3.6. Four quadrant operation and regenerative braking -- 3.6.1. Full speed regenerative reversal -- 3.6.2. Dynamic braking -- 3.7. Shunt and series motors -- 3.7.1. Shunt motor-steady-state operating characteristics. 3.7.2. Series motor-steady-state operating characteristics -- 3.7.3. Universal motors -- 3.8. Self-excited d.c. machine -- 3.9. Toy motors -- 3.10. Review questions -- Chapter 4: D.C. motor drives -- 4.1. Introduction -- 4.2. Thyristor d.c. drives-general -- 4.2.1. Motor operation with converter supply -- 4.2.2. Motor current waveforms -- 4.2.3. Discontinuous current -- 4.2.4. Converter output impedance: Overlap -- 4.2.5. Four-quadrant operation and inversion -- 4.2.6. Single-converter reversing drives -- 4.2.7. Double-converter reversing drives -- 4.2.8. Power factor and supply effects -- 4.3. Control arrangements for d.c. drives -- 4.3.1. Current limits and protection -- 4.3.2. Torque control -- 4.3.3. Speed control -- 4.3.4. Overall operating region -- 4.3.5. Armature voltage feedback and IR compensation -- 4.3.6. Drives without current control -- 4.4. Chopper-fed d.c. motor drives -- 4.4.1. Performance of chopper-fed d.c. motor drives -- 4.4.2. Torque-speed characteristics and control arrangements -- 4.5. D.C. servo drives -- 4.5.1. Servo motors -- 4.5.2. Position control -- 4.6. Digitally-controlled drives -- 4.7. Review questions -- Chapter 5: Induction motors-Rotating field, slip and torque -- 5.1. Introduction -- 5.1.1. Outline of approach -- 5.2. The rotating magnetic field -- 5.2.1. Production of a rotating magnetic field -- 5.2.2. Field produced by each phase-winding -- 5.2.3. Resultant three-phase field -- 5.2.4. Direction of rotation -- 5.2.5. Main (air-gap) flux and leakage flux -- 5.2.6. Magnitude of rotating flux wave -- 5.2.7. Excitation power and VA -- 5.2.8. Summary -- 5.3. Torque production -- 5.3.1. Rotor construction -- 5.3.2. Slip -- 5.3.3. Rotor induced e.m.f. and current -- 5.3.4. Torque -- 5.3.5. Rotor currents and torque-small slip -- 5.3.6. Rotor currents and torque-large slip -- 5.3.7. Generating-Negative slip. 5.4. Influence of rotor current on flux -- 5.4.1. Reduction of flux by rotor current -- 5.5. Stator current-speed characteristics -- 5.6. Review questions -- Chapter 6: Induction motor-Operation from 50/60Hz supply -- 6.1. Introduction -- 6.2. Methods of starting cage motors -- 6.2.1. Direct starting-Problems -- 6.2.2. Star/delta (wye/mesh) starter -- 6.2.3. Autotransformer starter -- 6.2.4. Resistance or reactance starter -- 6.2.5. Solid-state soft starting -- 6.2.6. Starting using a variable-frequency inverter -- 6.3. Run-up and stable operating regions -- 6.3.1. Harmonic effects-Skewing -- 6.3.2. High inertia loads-Overheating -- 6.3.3. Steady-state rotor losses and efficiency -- 6.3.4. Steady-state stability-Pull-out torque and stalling -- 6.4. Torque-speed curves-Influence of rotor parameters -- 6.4.1. Cage rotor -- 6.4.2. Double cage and deep bar rotors -- 6.4.3. Starting and run-up of slipring motors -- 6.5. Influence of supply voltage on torque-speed curve -- 6.6. Generating -- 6.6.1. Generating region -- 6.6.2. Self-excited induction generator -- 6.6.3. Doubly-fed induction machine for wind power generation -- 6.7. Braking -- 6.7.1. Plug reversal and plug braking -- 6.7.2. Injection braking -- 6.8. Speed control (without varying the stator supply frequency) -- 6.8.1. Pole-changing motors -- 6.8.2. Voltage control of high-resistance cage motors -- 6.8.3. Speed control of wound-rotor motors -- 6.8.4. Slip energy recovery -- 6.9. Power-factor control and energy optimisation -- 6.10. Single-phase induction motors -- 6.10.1. Principle of operation -- 6.10.2. Capacitor run motors -- 6.10.3. Split-phase motors -- 6.10.4. Shaded pole motors -- 6.11. Power range -- 6.11.1. Scaling down-The excitation problem -- 6.12. Review questions -- Chapter 7: Variable frequency operation of induction motors -- 7.1. Introduction. 7.2. Variable frequency operation -- 7.2.1. Steady-state operation-Importance of achieving full flux -- 7.2.2. Torque-speed characteristics -- 7.2.3. Limitations imposed by the inverter-Constant torque and constant power regions -- 7.2.4. Limitations imposed by the motor -- 7.2.5. Four quadrant capability -- 7.3. Practical aspects of inverter-fed drives -- 7.3.1. PWM voltage source inverter -- 7.3.2. Current source induction motor drives -- 7.3.3. Performance of inverter-fed drives -- Open-loop (without speed/position feedback) induction motor drives -- Closed-loop (with speed/position feedback) induction motor drives -- Applications when field orientation or Direct Torque Control cannot be used -- 7.4. Effect of inverter on the induction motor -- 7.4.1. Acoustic noise -- 7.4.2. Motor insulation and the impact of long inverter-motor cables -- 7.4.3. Losses and impact on motor rating -- 7.4.4. Bearing currents -- 7.4.5. `Inverter grade induction motors -- 7.5. Utility supply effects -- 7.5.1. Harmonic currents -- 7.5.2. Power factor -- 7.6. Inverter and motor protection -- 7.7. Review questions -- Chapter 8: Field oriented control of induction motors -- 8.1. Introduction -- 8.2. Essential preliminaries -- 8.2.1. Space phasor representation of m.m.f. waves -- 8.2.2. Transformation of reference frames -- 8.2.3. Transient and steady-states in electric circuits -- 8.3. Circuit modelling of the induction motor -- 8.3.1. Coupled circuits, induced EMF, and flux linkage -- 8.3.2. Self and mutual inductance -- 8.3.3. Obtaining torque from a circuit model -- 8.3.4. Finding the rotor currents -- 8.4. Steady-state torque under current-fed conditions -- 8.4.1. Torque vs slip frequency-Constant stator current -- 8.4.2. Torque vs slip frequency-Constant rotor flux linkage -- 8.4.3. Flux and torque components of stator current -- 8.5. Dynamic torque control. 8.5.1. Special property of closely-coupled circuits. |
| Record Nr. | UNINA-9911006916503321 |
Hughes Austin
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| Oxford, United Kingdom : , : Newnes, an imprint of Elsevier, , [2019] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Manual of engineering drawing [[electronic resource] /] / Colin H. Simmons, Dennis E. Maguire, Neil Phelps
| Manual of engineering drawing [[electronic resource] /] / Colin H. Simmons, Dennis E. Maguire, Neil Phelps |
| Autore | Simmons C. H (Colin H.) |
| Edizione | [Third edition] |
| Pubbl/distr/stampa | Burlington, MA, : Newnes, an imprint of Elsevier, 2009 |
| Descrizione fisica | 1 online resource (337 p.) |
| Disciplina |
604.2
744.422 |
| Soggetto topico |
Mechanical drawing
Mechanical drawing - Standards Engineering & Applied Sciences Technology - General |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-282-73767-8
9786612737671 0-08-094362-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Manual of Engineering Drawing; Copyright Page; Contents; Preface; Acknowledgements; Chapter 1 Drawing offi ce management and organization; Engineering drawing practices; Drawing practice and the computer (CAD: Computer aided draughting and design); Why introduce BS 8888 and withdraw BS 308?; Chapter 2 Product development and computer aided design; Computer aided draughting and design; Technical product documentation; Access into the computer network; Quality assurance; Chapter 3 CAD organization and applications; Computer and software purchase; Project development
Parametric designSheet metalwork application; Pipework systems; Communicating design concepts; Chapter 4 Principles of fi rst and third angle orthographic projection; First angle projection; Third angle projection; Projection symbols; Drawing procedure; Reading engineering drawings; Projection exercises; Straight line examples; First angle projection examples with plotted curves (Fig. 4.22); Pictorial sketching from orthographic views; Geometric solids in third angle projection; Sectional views in third angle projection; Dimensioning examples (first angle projection) Chapter 5 Linework and letteringDrawing paper sizes; Presentation; Types of line and their application; Chain lines; Coinciding lines; Lettering; Drawing modifications; Care and storage of original drawings; Chapter 6 Three-dimensional illustrations using isometric and oblique projection; Isometric projection; Oblique projection; 7 Drawing layouts and simplifi ed methods; Single-part drawing; Collective single-part drawings; Assembly drawings; Collective assembly drawing; Design layout drawings; Combined detail and assembly drawings; Exploded assembly drawings; Simplified drawings Machine drawingDrawing scales; Scale used in geometric construction; Abbreviations; Chapter 8 Sections and sectional views; Half sections; Revolved sections; Removed sections; Sections through thin material; Local sections; Components not drawn in section; Successive sections; Sections in two parallel planes; Chapter 9 Geometrical constructions and tangency; To bisect a given angle AOB; To bisect a given straight line AB; To bisect a given arc AB; To find the centre of a given arc AB; To inscribe a circle in a given triangle ABC; To circumscribe a circle around triangle ABC To draw a hexagon, given the distance across the cornersTo draw a regular octagon, given the distance across corners; To draw a regular octagon, given the distance across the flats; To draw a regular polygon, given the length of the sides; Tangency; To draw a tangent to a point A on the circumference of a circle, centre O; To draw a tangent to a circle from any given point A outside the circle; To draw an external tangent to two circles; To draw an internal tangent to two circles; To draw internal and external tangents to two circles of equal diameter To draw a curve of given radius to touch two circles when the circles are outside the radius |
| Record Nr. | UNINA-9910511694603321 |
|
Simmons C. H (Colin H.)
|
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| Burlington, MA, : Newnes, an imprint of Elsevier, 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Manual of engineering drawing [[electronic resource] /] / Colin H. Simmons, Dennis E. Maguire, Neil Phelps
| Manual of engineering drawing [[electronic resource] /] / Colin H. Simmons, Dennis E. Maguire, Neil Phelps |
| Autore | Simmons C. H (Colin H.) |
| Edizione | [Third edition] |
| Pubbl/distr/stampa | Burlington, MA, : Newnes, an imprint of Elsevier, 2009 |
| Descrizione fisica | 1 online resource (337 p.) |
| Disciplina |
604.2
744.422 |
| Soggetto topico |
Mechanical drawing
Mechanical drawing - Standards Engineering & Applied Sciences Technology - General |
| ISBN |
1-282-73767-8
9786612737671 0-08-094362-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Manual of Engineering Drawing; Copyright Page; Contents; Preface; Acknowledgements; Chapter 1 Drawing offi ce management and organization; Engineering drawing practices; Drawing practice and the computer (CAD: Computer aided draughting and design); Why introduce BS 8888 and withdraw BS 308?; Chapter 2 Product development and computer aided design; Computer aided draughting and design; Technical product documentation; Access into the computer network; Quality assurance; Chapter 3 CAD organization and applications; Computer and software purchase; Project development
Parametric designSheet metalwork application; Pipework systems; Communicating design concepts; Chapter 4 Principles of fi rst and third angle orthographic projection; First angle projection; Third angle projection; Projection symbols; Drawing procedure; Reading engineering drawings; Projection exercises; Straight line examples; First angle projection examples with plotted curves (Fig. 4.22); Pictorial sketching from orthographic views; Geometric solids in third angle projection; Sectional views in third angle projection; Dimensioning examples (first angle projection) Chapter 5 Linework and letteringDrawing paper sizes; Presentation; Types of line and their application; Chain lines; Coinciding lines; Lettering; Drawing modifications; Care and storage of original drawings; Chapter 6 Three-dimensional illustrations using isometric and oblique projection; Isometric projection; Oblique projection; 7 Drawing layouts and simplifi ed methods; Single-part drawing; Collective single-part drawings; Assembly drawings; Collective assembly drawing; Design layout drawings; Combined detail and assembly drawings; Exploded assembly drawings; Simplified drawings Machine drawingDrawing scales; Scale used in geometric construction; Abbreviations; Chapter 8 Sections and sectional views; Half sections; Revolved sections; Removed sections; Sections through thin material; Local sections; Components not drawn in section; Successive sections; Sections in two parallel planes; Chapter 9 Geometrical constructions and tangency; To bisect a given angle AOB; To bisect a given straight line AB; To bisect a given arc AB; To find the centre of a given arc AB; To inscribe a circle in a given triangle ABC; To circumscribe a circle around triangle ABC To draw a hexagon, given the distance across the cornersTo draw a regular octagon, given the distance across corners; To draw a regular octagon, given the distance across the flats; To draw a regular polygon, given the length of the sides; Tangency; To draw a tangent to a point A on the circumference of a circle, centre O; To draw a tangent to a circle from any given point A outside the circle; To draw an external tangent to two circles; To draw an internal tangent to two circles; To draw internal and external tangents to two circles of equal diameter To draw a curve of given radius to touch two circles when the circles are outside the radius |
| Record Nr. | UNINA-9910783091303321 |
|
Simmons C. H (Colin H.)
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| Burlington, MA, : Newnes, an imprint of Elsevier, 2009 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Mission-critical and safety-critical systems handbook : design and development for embedded applications / / edited by Kim Fowler ; technical consultant, Sharfus Draid, Inc
| Mission-critical and safety-critical systems handbook : design and development for embedded applications / / edited by Kim Fowler ; technical consultant, Sharfus Draid, Inc |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Amsterdam ; ; Boston, : Newnes, an imprint of Elsevier, c2010 |
| Descrizione fisica | 1 online resource (593 p.) |
| Disciplina | 620/.00452 |
| Altri autori (Persone) | FowlerKim |
| Soggetto topico |
Reliability (Engineering)
Fault tolerance (Engineering) Embedded computer systems - Design and construction Safety factor in engineering |
| ISBN |
9786612618529
9781282618527 1282618520 9780080942551 0080942555 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front Cover; Mission-Critical and Safety-Critical Systems Handbook: Design and Development for Embedded Applications; Copyright Page; Contents; About the Editor; About the Contributors; Chapter 1: Best Practices in Mission-Assured, Mission-Critical, and Safety-Critical Systems; 1. Roadmap to This Book; 1.1. Systems Engineering; 1.2. Important Issues; 1.3. Material Covered; 2. Best Practices; 2.1. What and Why?; 2.2. Rationale; 2.3. Standards and Guidelines for a QMS; 3. Project Management and Systems Engineering; 3.1. Project Management; 3.2. Systems Engineering; 3.3. Mission Assurance
4. Process Flows for Developing Products4.1. Plan, Execute, Review, Report, and Update (PERRU); 4.2. Development Processes; 4.3. Processes vs. Procedures; 4.4. General Process Models; 4.5. An Example of Phases, Processes, and Procedures; 5. Standards; 5.1. General Standards Organizations; 5.2. Industry-Based Standards Organizations; 5.3. Military Standards Organizations; 5.4. Aviation and Aerospace Standards Organizations; 6. Potential Procedures, Checklists, and Documents; 7. Review of Procedures and Processes; 7.1. Difference between Procedures and Processes 7.2. Why Review Procedures and Processes?7.3. Types of Review; 7.4. Frequency of Review; 7.5. Review Content; 7.6. Course of Action, Changes, and Updates Following Review; 7.7. Review Responsibilities; 8. Configuration Management; 8.1. Rationale for Configuration Management; 8.2. Configuration Management Coverage; 8.3. Records Responsibility; 8.4. System and Location; 8.5. Version Control; 8.6. Design Repository; 8.7. File Structure; 8.8. Obsolete Documents; 8.9. Training for Use of the System; 9. Documentation; 9.1. Rationale for Documentation 9.2. Coverage and Responsibility for Documentation9.3. Types of Documentation; 9.4. Best Practices for Documentation; References; Appendix A: Example Document Outlines; Work Order (WO); Minutes; Problem Report/Corrective Action (PRCA); Engineering Change Request (ECR); Engineering Change Notice (ECN); Project Management Plan (PMP); Interface Control Documents (ICDs); Development Plans; Requirements; Risk Management Plan; Configuration Management Plan; Documentation Plan; Analysis Reports; Design Description; Test Plan; Operation Plan; Metrology Concerns and Procedures Appendix B: Program Management Documents for Project DevelopmentAppendix C: Technical Project Documents for Project Development; Chapter 2: Failsafe Software Design: Embedded Programming in a Fail-Certain World; 1. Software Matters; 2. The Essence of Process; 3. Three Principles for Design and Coding; 3.1. What Does It Mean to Be Failsafe?; 3.2. Safety (and Mission) First; 3.3. Verification and Redundancy in the Implementation Process; 4. The User Interface; 5. Rolling Your Own; 6. Hardware as Software: A Thought Exercise in Crossover Thinking; 7. Conclusions Chapter 3: Compliance Concerns for Medical Equipment |
| Record Nr. | UNINA-9911004776103321 |
| Amsterdam ; ; Boston, : Newnes, an imprint of Elsevier, c2010 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Switching power supplies A to Z [[electronic resource] /] / Sanjaya Maniktala
| Switching power supplies A to Z [[electronic resource] /] / Sanjaya Maniktala |
| Autore | Maniktala Sanjaya |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Burlington, MA, : Newnes, an imprint of Elsevier, c2006 |
| Descrizione fisica | 1 online resource (523 p.) |
| Disciplina | 621.381044 |
| Soggetto topico |
Switching power supplies - Design and construction
Switching circuits - Design and construction Electric current converters |
| Soggetto genere / forma | Electronic books. |
| ISBN |
1-280-63133-3
9786610631339 0-08-046155-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front cover; Title page; Copyright Page; Contents; Preface; Acknowledgements; CHAPTER 1 - The Principles of Switching Power Conversion; Introduction; Overview and Basic Terminology; Understanding the Inductor; Evolution of Switching Topologies; CHAPTER 2 - DC-DC Converter Design and Magnetics; DC Transfer Functions; The DC Level and the "Swing" of the Inductor Current Waveform; De.ning the AC, DC, and Peak Currents; Understanding the AC, DC and Peak Currents; Defining the "Worst-case" Input Voltage; The Current Ripple Ratio 'r'; Relating r to the Inductance; The Optimum Value of r
Do We Mean Inductor? Or Inductance?How Inductance and Inductor Size Depend on Frequency; How Inductance and Inductor Size Depend on Load Current; How Vendors Specify the Current Rating of an Off-the-shelf Inductor and How to Select It; What Is the Inductor Current Rating We Need to Consider for a Given Application?; The Spread and Tolerance of the Current Limit; Worked Example (1); Worked Examples (2, 3, and 4); Worked Example (5)-When Not to Increase the Number of Turns; Worked Example (6)-Characterizing an Off-the-shelf Inductor in a Specific Application Calculating the "Other" Worst-case StressesCHAPTER 3 - Off-line Converter Design and Magnetics; Flyback Converter Magnetics; Forward Converter Magnetics; CHAPTER 4 - The Topology FAQ; Questions and Answers; CHAPTER 5 - Conduction and Switching Losses; Switching a Resistive Load; Switching an Inductive Load; Switching Losses and Conduction Loss; A Simplified Model of the Mosfet for Studying Inductive Switching Losses; The Parasitic Capacitances Expressed in an Alternate System; Gate Threshold Voltage; The Turn-on Transition; The Turn-off Transition; Gate Charge Factors; Worked Example Applying the Switching Loss Analysis to Switching TopologiesWorst-case Input Voltage for Switching Losses; How Switching Losses Vary with the Parasitic Capacitances; Optimizing Driver Capability vis-à-vis Mosfet Characteristics; CHAPTER 6 - Printed Circuit Board Layout; Introduction; Trace Section Analysis; Some Points to Keep in Mind During Layout; Thermal Management Concerns; CHAPTER 7 - Feedback Loop Analysis and Stability; Transfer Functions, Time Constant and the Forcing Function; Understanding 'e' and Plotting Curves on Log Scales; Time Domain and Frequency Domain Analysis Complex RepresentationNonrepetitive Stimuli; The s-plane; Laplace Transform; Disturbances and the Role of Feedback; Transfer Function of the RC Filter; The Integrator Op-amp ("pole-at-zero" filter); Mathematics in the Log Plane; Transfer Function of the LC Filter; Summary of Transfer Functions of Passive Filters; Poles and Zeros; Interaction of Poles and Zeros; Closed and Open Loop Gain; The Voltage Divider; Pulse Width Modulator Transfer Function (gain); Voltage Feedforward; Power Stage Transfer Function; Plant Transfer Functions of All the Topologies; Boost Converter Feedback Stage Transfer Functions |
| Record Nr. | UNINA-9910457352103321 |
|
Maniktala Sanjaya
|
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| Burlington, MA, : Newnes, an imprint of Elsevier, c2006 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Switching power supplies A to Z [[electronic resource] /] / Sanjaya Maniktala
| Switching power supplies A to Z [[electronic resource] /] / Sanjaya Maniktala |
| Autore | Maniktala Sanjaya |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Burlington, MA, : Newnes, an imprint of Elsevier, c2006 |
| Descrizione fisica | 1 online resource (523 p.) |
| Disciplina | 621.381044 |
| Soggetto topico |
Switching power supplies - Design and construction
Switching circuits - Design and construction Electric current converters |
| ISBN |
1-280-63133-3
9786610631339 0-08-046155-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front cover; Title page; Copyright Page; Contents; Preface; Acknowledgements; CHAPTER 1 - The Principles of Switching Power Conversion; Introduction; Overview and Basic Terminology; Understanding the Inductor; Evolution of Switching Topologies; CHAPTER 2 - DC-DC Converter Design and Magnetics; DC Transfer Functions; The DC Level and the "Swing" of the Inductor Current Waveform; De.ning the AC, DC, and Peak Currents; Understanding the AC, DC and Peak Currents; Defining the "Worst-case" Input Voltage; The Current Ripple Ratio 'r'; Relating r to the Inductance; The Optimum Value of r
Do We Mean Inductor? Or Inductance?How Inductance and Inductor Size Depend on Frequency; How Inductance and Inductor Size Depend on Load Current; How Vendors Specify the Current Rating of an Off-the-shelf Inductor and How to Select It; What Is the Inductor Current Rating We Need to Consider for a Given Application?; The Spread and Tolerance of the Current Limit; Worked Example (1); Worked Examples (2, 3, and 4); Worked Example (5)-When Not to Increase the Number of Turns; Worked Example (6)-Characterizing an Off-the-shelf Inductor in a Specific Application Calculating the "Other" Worst-case StressesCHAPTER 3 - Off-line Converter Design and Magnetics; Flyback Converter Magnetics; Forward Converter Magnetics; CHAPTER 4 - The Topology FAQ; Questions and Answers; CHAPTER 5 - Conduction and Switching Losses; Switching a Resistive Load; Switching an Inductive Load; Switching Losses and Conduction Loss; A Simplified Model of the Mosfet for Studying Inductive Switching Losses; The Parasitic Capacitances Expressed in an Alternate System; Gate Threshold Voltage; The Turn-on Transition; The Turn-off Transition; Gate Charge Factors; Worked Example Applying the Switching Loss Analysis to Switching TopologiesWorst-case Input Voltage for Switching Losses; How Switching Losses Vary with the Parasitic Capacitances; Optimizing Driver Capability vis-à-vis Mosfet Characteristics; CHAPTER 6 - Printed Circuit Board Layout; Introduction; Trace Section Analysis; Some Points to Keep in Mind During Layout; Thermal Management Concerns; CHAPTER 7 - Feedback Loop Analysis and Stability; Transfer Functions, Time Constant and the Forcing Function; Understanding 'e' and Plotting Curves on Log Scales; Time Domain and Frequency Domain Analysis Complex RepresentationNonrepetitive Stimuli; The s-plane; Laplace Transform; Disturbances and the Role of Feedback; Transfer Function of the RC Filter; The Integrator Op-amp ("pole-at-zero" filter); Mathematics in the Log Plane; Transfer Function of the LC Filter; Summary of Transfer Functions of Passive Filters; Poles and Zeros; Interaction of Poles and Zeros; Closed and Open Loop Gain; The Voltage Divider; Pulse Width Modulator Transfer Function (gain); Voltage Feedforward; Power Stage Transfer Function; Plant Transfer Functions of All the Topologies; Boost Converter Feedback Stage Transfer Functions |
| Record Nr. | UNINA-9910784355603321 |
|
Maniktala Sanjaya
|
||
| Burlington, MA, : Newnes, an imprint of Elsevier, c2006 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Switching power supplies A to Z / / Sanjaya Maniktala
| Switching power supplies A to Z / / Sanjaya Maniktala |
| Autore | Maniktala Sanjaya |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Burlington, MA, : Newnes, an imprint of Elsevier, c2006 |
| Descrizione fisica | 1 online resource (523 p.) |
| Disciplina |
621.381044
621.317 |
| Soggetto topico |
Switching power supplies - Design and construction
Switching circuits - Design and construction Electric current converters |
| ISBN |
9786610631339
9781280631337 1280631333 9780080461557 0080461557 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Front cover; Title page; Copyright Page; Contents; Preface; Acknowledgements; CHAPTER 1 - The Principles of Switching Power Conversion; Introduction; Overview and Basic Terminology; Understanding the Inductor; Evolution of Switching Topologies; CHAPTER 2 - DC-DC Converter Design and Magnetics; DC Transfer Functions; The DC Level and the "Swing" of the Inductor Current Waveform; De.ning the AC, DC, and Peak Currents; Understanding the AC, DC and Peak Currents; Defining the "Worst-case" Input Voltage; The Current Ripple Ratio 'r'; Relating r to the Inductance; The Optimum Value of r
Do We Mean Inductor? Or Inductance?How Inductance and Inductor Size Depend on Frequency; How Inductance and Inductor Size Depend on Load Current; How Vendors Specify the Current Rating of an Off-the-shelf Inductor and How to Select It; What Is the Inductor Current Rating We Need to Consider for a Given Application?; The Spread and Tolerance of the Current Limit; Worked Example (1); Worked Examples (2, 3, and 4); Worked Example (5)-When Not to Increase the Number of Turns; Worked Example (6)-Characterizing an Off-the-shelf Inductor in a Specific Application Calculating the "Other" Worst-case StressesCHAPTER 3 - Off-line Converter Design and Magnetics; Flyback Converter Magnetics; Forward Converter Magnetics; CHAPTER 4 - The Topology FAQ; Questions and Answers; CHAPTER 5 - Conduction and Switching Losses; Switching a Resistive Load; Switching an Inductive Load; Switching Losses and Conduction Loss; A Simplified Model of the Mosfet for Studying Inductive Switching Losses; The Parasitic Capacitances Expressed in an Alternate System; Gate Threshold Voltage; The Turn-on Transition; The Turn-off Transition; Gate Charge Factors; Worked Example Applying the Switching Loss Analysis to Switching TopologiesWorst-case Input Voltage for Switching Losses; How Switching Losses Vary with the Parasitic Capacitances; Optimizing Driver Capability vis-à-vis Mosfet Characteristics; CHAPTER 6 - Printed Circuit Board Layout; Introduction; Trace Section Analysis; Some Points to Keep in Mind During Layout; Thermal Management Concerns; CHAPTER 7 - Feedback Loop Analysis and Stability; Transfer Functions, Time Constant and the Forcing Function; Understanding 'e' and Plotting Curves on Log Scales; Time Domain and Frequency Domain Analysis Complex RepresentationNonrepetitive Stimuli; The s-plane; Laplace Transform; Disturbances and the Role of Feedback; Transfer Function of the RC Filter; The Integrator Op-amp ("pole-at-zero" filter); Mathematics in the Log Plane; Transfer Function of the LC Filter; Summary of Transfer Functions of Passive Filters; Poles and Zeros; Interaction of Poles and Zeros; Closed and Open Loop Gain; The Voltage Divider; Pulse Width Modulator Transfer Function (gain); Voltage Feedforward; Power Stage Transfer Function; Plant Transfer Functions of All the Topologies; Boost Converter Feedback Stage Transfer Functions |
| Record Nr. | UNINA-9910960363703321 |
|
Maniktala Sanjaya
|
||
| Burlington, MA, : Newnes, an imprint of Elsevier, c2006 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
