LEADER 01539oas 2200505 450 001 9910714294303321 005 20181030073919.0 035 $a(CKB)4950000000063225 035 $a(OCoLC)747715785 035 $a(EXLCZ)994950000000063225 100 $a20110824a19uu9999 ua a 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aBudget estimates /$fNational Aeronautics and Space Administration 210 1$a[Washington, D.C.] :$c[National Aeronautics and Space Administration] 215 $a1 online resource (volumes) 517 1 $aNational Aeronautics and Space Administration budget estimates 517 1 $aNASA budget estimates 606 $aAeronautics$xResearch$zUnited States$vPeriodicals 606 $aAstronautics$xResearch$zUnited States$vPeriodicals 606 $aAeronautics$xResearch$2fast 606 $aAstronautics$xResearch$2fast 606 $aExpenditures, Public$2fast 607 $aUnited States$2fast 608 $aPeriodicals.$2fast 615 0$aAeronautics$xResearch 615 0$aAstronautics$xResearch 615 7$aAeronautics$xResearch. 615 7$aAstronautics$xResearch. 615 7$aExpenditures, Public. 801 0$bGAO 801 1$bGAO 801 2$bGAO 801 2$bOCLCQ 801 2$bOCLCF 801 2$bOCLCO 801 2$bOCLCQ 801 2$bGPO 906 $aDOCUMENT 912 $a9910714294303321 996 $aBudget estimates$93505794 997 $aUNINA LEADER 05265nam 2200637Ia 450 001 9910784333803321 005 20200520144314.0 010 $a1-281-02183-0 010 $a9786611021832 010 $a0-08-052204-1 035 $a(CKB)1000000000350771 035 $a(EBL)298346 035 $a(OCoLC)437182463 035 $a(SSID)ssj0000144910 035 $a(PQKBManifestationID)11147586 035 $a(PQKBTitleCode)TC0000144910 035 $a(PQKBWorkID)10146819 035 $a(PQKB)10906413 035 $a(MiAaPQ)EBC298346 035 $a(Au-PeEL)EBL298346 035 $a(CaPaEBR)ebr10175473 035 $a(PPN)170240002 035 $a(EXLCZ)991000000000350771 100 $a20050701d2006 uy 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt 182 $cc 183 $acr 200 10$aElectric motors and drives$b[electronic resource] $efundamentals, types and applications /$fAustin Hughes 205 $a3rd ed. 210 $aAmsterdam ;$aBoston ;$aLondon $cElsevier Newnes$d2006 215 $a1 online resource (431 p.) 300 $aPrevious ed.: 1993. 311 $a0-7506-4718-3 320 $aIncludes bibliographical references and index. 327 $aCover; CONTENTS; Preface; Chapter 1. ELECTRIC MOTORS; Introduction; Producing Rotation; Magnetic Circuits; Torque Production; Specific Loadings and Specific Output; Energy Conversion - Motional EMF; Equivalent Circuit; General Properties of Electric Motors; Review Questions; Chapter 2. POWER ELECTRONIC CONVERTERS FOR MOTOR DRIVES; Introduction; Voltage Control - D.C. Output from D.C. Supply; D.C. from A.C. - Controlled Rectification; A.C. from D.C. SP - SP Inversion; Inverter Switching Devices; Converter Waveforms and Acoustic Noise; Cooling of Power Switching Devices; Review Questions 327 $aChapter 3. CONVENTIONAL D.C. MOTORS Introduction; Torque Production; Motional E.M.F; D.C. motor - Steady-State Characteristics; Transient Behaviour - Current Surges; Shunt, Series and Compound Motors; Four-Quadrant Operation and Regenerative Braking; Toy Motors; Review Questions; Chapter 4. D.C. MOTOR DRIVES; Introduction; Thyristor D.C. Drives - General; Control Arrangements for D.C. Drives; Chopper-Fed D.C. Motor Drives; D.C. Servo Drives; Digitally Controlled Drives; Review Questions; Chapter 5. INDUCTION MOTORS - ROTATING FIELD, SLIP AND TORQUE; Introduction; The Rotating Magnetic Field 327 $aTorque Production Influence of Rotor Current on Flux; Stator Current-Speed Characteristics; Review Questions; Chapter 6. OPERATING CHARACTERISTICS OF INDUCTION MOTORS; Methods of Starting Cage Motors; Run-up and Stable Operating Regions; Torque-Speed Curves - Influence of Rotor Parameters; Influence of Supply Voltage on Torque-Speed Curve; Generating and Braking; Speed Control; Power Factor Control and Energy Optimisation; Single-Phase Induction Motors; Size Range; Review Questions; Chapter 7. INDUCTION MOTOR EQUIVALENT CIRCUIT; Introduction; Similarity Between Induction Motor and Transformer 327 $aThe Ideal Transformer The Real Transformer; Development of the Induction Motor Equivalent Circuit; Properties of Induction Motors; Performance Prediction - Example; Approximate Equivalent Circuits; Measurement of Parameters; Equivalent Circuit Under Variable-Frequency Conditions; Review Questions; Chapter 8. INVERTER-FED INDUCTION MOTOR DRIVES; Introduction; Torque-Speed Characteristics - Constant V/f Operation; Control Arrangements for Inverter-Fed Drives; Vector (Field-Oriented) Control; Cycloconverter Drives; Review Questions; Chapter 9. STEPPING MOTORS; Introduction 327 $aPrinciple of Motor Operation Motor Characteristics; Steady-State Characteristics - Ideal (Constant-Current) Drive; Drive Circuits and Pull-Out Torque-Speed Curves; Transient Performance; Review Questions; Chapter 10. SYNCHRONOUS, BRUSHLESS D.C. AND SWITCHED RELUCTANCE DRIVES; Introduction; Synchronous Motors; Controlled-Speed Synchronous Motor Drives; Brushless D.C. Motors; Switched Reluctance Motor Drives; Review Questions; Chapter 11. MOTOR/DRIVE SELECTION; Introduction; Power Range for Motors and Drives; Load Requirements - Torque-Speed Characteristics; General Application Considerations 327 $aReview Questions 330 $aElectric Motors and Drives is intended for non-specialist users of electric motors and drives, filling the gap between theory-based academic textbooks and the more prosaic 'handbooks', which provide useful detail but little opportunity for the development of real insight and understanding. The book explores all of the widely-used modern types of motor and drive, including conventional and brushless D.C., induction motors and servo drives, providing readers with the knowledge to select the right technology for a given job. Austin Hughes' approach, using a minimum of maths, has 606 $aElectric motors 606 $aElectric driving 615 0$aElectric motors. 615 0$aElectric driving. 676 $a621.46 700 $aHughes$b Austin$01083974 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910784333803321 996 $aElectric motors and drives$92600196 997 $aUNINA