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Cti symposium 2019 : 18th international congress and expo 9-12 December 2019, Berlin, Germany / / Springer-Verlag GmbH,editor
Cti symposium 2019 : 18th international congress and expo 9-12 December 2019, Berlin, Germany / / Springer-Verlag GmbH,editor
Pubbl/distr/stampa Berlin, Heidelberg : , : Springer Vieweg, , [2021]
Descrizione fisica 1 online resource (598 pages)
Disciplina 621.85
Collana Proceedings
Soggetto topico Power transmission
ISBN 3-662-61515-0
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910484126803321
Berlin, Heidelberg : , : Springer Vieweg, , [2021]
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Drive Systems 2017 : 7th VDE/VDI Symposium : 22-23 November 2017, Karlsruhe, Germany / / Verband Deutscher Elektrotechniker
Drive Systems 2017 : 7th VDE/VDI Symposium : 22-23 November 2017, Karlsruhe, Germany / / Verband Deutscher Elektrotechniker
Pubbl/distr/stampa Berlin, Germany : , : VDE Verlag, , 2017
Descrizione fisica 1 online resource (100 pages)
Disciplina 621.31042
Soggetto topico Electric driving
Fluid mechanics
Power transmission
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISA-996575601903316
Berlin, Germany : , : VDE Verlag, , 2017
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Experience with geared propeller drives for aviation engines / / by K. Kutzbach
Experience with geared propeller drives for aviation engines / / by K. Kutzbach
Autore Kutzbach Karl
Pubbl/distr/stampa [Washington, D.C.] : , : National Advisory Committee for Aeronautics, , 1920
Descrizione fisica 1 online resource (13 pages, 10 unnumbered pages) : illustrations
Collana Technical notes / National Advisory Committee for Aeronautics
Soggetto topico Airplanes - Motors
Gearing
Mechanical movements
Power transmission
Propellers, Aerial
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910712851303321
Kutzbach Karl  
[Washington, D.C.] : , : National Advisory Committee for Aeronautics, , 1920
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fault location on transmission and distribution systems : principles and applications / / Swagata Das, Surya Santoso, Sundaravaradan N. Ananthan
Fault location on transmission and distribution systems : principles and applications / / Swagata Das, Surya Santoso, Sundaravaradan N. Ananthan
Autore Das Swagata
Pubbl/distr/stampa Hoboken, New Jersey ; ; Chichester, England : , : Wiley, , [2022]
Descrizione fisica 1 online resource (291 pages)
Disciplina 621.3192
Collana IEEE Press Ser.
Soggetto topico Electric fault location
Power transmission
ISBN 1-119-12149-3
1-119-12147-7
1-119-12148-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover -- Title Page -- Copyright -- Contents -- Preface -- About the Companion Website -- Chapter 1 Introduction -- 1.1 Power System Faults -- 1.2 What Causes Shunt Faults? -- 1.3 Aim and Importance of Fault Location -- 1.4 Types of Fault‐Locating Algorithms -- 1.5 How are Fault‐Locating Algorithms Implemented? -- 1.6 Evaluation of Fault‐Locating Algorithms -- 1.7 The Best Fault‐Locating Algorithm -- 1.8 Summary -- Chapter 2 Symmetrical Components -- 2.1 Phasors -- 2.2 Theory of Symmetrical Components -- 2.3 Interconnecting Sequence Networks -- 2.4 Sequence Impedances of Three‐Phase Lines -- 2.5 Exercise Problems -- 2.6 Summary -- Chapter 3 Fault Location on Transmission Lines -- 3.1 One‐Ended Impedance‐Based Fault Location Algorithms -- 3.1.1 Simple Reactance Method -- 3.1.2 Takagi Method -- 3.1.3 Modified Takagi Method -- 3.1.4 Current Distribution Factor Method -- 3.2 Two‐Ended Impedance‐Based Fault Location Algorithms -- 3.2.1 Synchronized Method -- 3.2.2 Unsynchronized Method -- 3.2.3 Unsynchronized Negative‐Sequence Method -- 3.2.4 Synchronized Line Current Differential Method -- 3.3 Three‐Ended Impedance‐Based Fault Location Algorithms -- 3.3.1 Synchronized Method -- 3.3.2 Unsynchronized Method -- 3.3.3 Unsynchronized Negative‐Sequence Method -- 3.3.4 Synchronized Line Current Differential Method -- 3.4 Traveling‐Wave Fault Location Algorithms -- 3.4.1 Single‐Ended Traveling Wave Method -- 3.4.2 Double‐Ended Traveling‐Wave Method -- 3.4.3 Error Sources -- 3.5 Exercise Problems -- 3.6 Summary -- Chapter 4 Error Sources in Impedance‐Based Fault Location -- 4.1 Power System Model -- 4.2 Input Data Errors -- 4.2.1 DC Offset -- 4.2.2 CT Saturation -- 4.2.3 Aging CCVTs -- 4.2.4 Open‐Delta VTs -- 4.2.5 Inaccurate Line Length -- 4.2.6 Untransposed Lines -- 4.2.7 Variation in Earth Resistivity -- 4.2.8 Non‐Homogeneous Lines.
4.2.9 Incorrect Fault Type Selection -- 4.3 Application Errors -- 4.3.1 Load -- 4.3.2 Non‐Homogeneous System -- 4.3.3 Zero‐Sequence Mutual Coupling -- 4.3.4 Series Compensation -- 4.3.5 Three‐Terminal Lines -- 4.3.6 Radial Tap -- 4.3.7 Evolving Faults -- 4.4 Exercise Problems -- 4.5 Summary -- Chapter 5 Fault Location on Overhead Distribution Feeders -- 5.1 Impedance‐Based Methods -- 5.1.1 Loop Reactance Method -- 5.1.2 Simple Reactance Method -- 5.1.3 Takagi Method -- 5.1.4 Modified Takagi Method -- 5.1.5 Girgis et al. Method -- 5.1.6 Santoso et al. Method -- 5.1.7 Novosel et al. Method -- 5.2 Challenges with Distribution Fault Location -- 5.2.1 Load -- 5.2.2 Non‐Homogeneous Lines -- 5.2.3 Inaccurate Earth Resistivity -- 5.2.4 Multiple Laterals -- 5.2.5 Best Data for Fault Location: Feeder or Substation Relays -- 5.2.6 Distributed Generation -- 5.2.7 High Impedance Faults -- 5.2.8 CT Saturation -- 5.2.9 Grounding -- 5.2.10 Short Duration Faults -- 5.2.11 Missing Voltage -- 5.3 Exercise Problems -- 5.4 Summary -- Chapter 6 Distribution Fault Location With Current Only -- 6.1 Current Phasors Only Method -- 6.2 Current Magnitude Only Method -- 6.3 Short‐Circuit Fault Current Profile Method -- 6.4 Exercise Problems -- 6.5 Summary -- Chapter 7 System and Operational Benefits of Fault Location -- 7.1 Verify Relay Operation -- 7.2 Discover Erroneous Relay Settings -- 7.3 Detect Instrument Transformer Installation Errors -- 7.4 Validate Zero‐Sequence Line Impedance -- 7.5 Calculate Fault Resistance -- 7.6 Prove Short‐Circuit Model -- 7.7 Adapt Autoreclosing in Hybrid Lines -- 7.8 Detect the Occurrence of Multiple Faults -- 7.9 Identify Impending Failures and Take Corrective Action -- 7.10 Exercise Problems -- 7.11 Summary -- A Fault Location Suite in MATLAB -- A.1 Understanding the Fault Location Script -- References -- Index -- EULA.
Record Nr. UNINA-9910555068003321
Das Swagata  
Hoboken, New Jersey ; ; Chichester, England : , : Wiley, , [2022]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fault location on transmission and distribution systems : principles and applications / / Swagata Das, Surya Santoso, Sundaravaradan N. Ananthan
Fault location on transmission and distribution systems : principles and applications / / Swagata Das, Surya Santoso, Sundaravaradan N. Ananthan
Autore Das Swagata
Pubbl/distr/stampa Hoboken, New Jersey ; ; Chichester, England : , : Wiley, , [2022]
Descrizione fisica 1 online resource (291 pages)
Disciplina 621.3192
Collana IEEE Press
Soggetto topico Electric fault location
Power transmission
ISBN 1-119-12149-3
1-119-12147-7
1-119-12148-5
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover -- Title Page -- Copyright -- Contents -- Preface -- About the Companion Website -- Chapter 1 Introduction -- 1.1 Power System Faults -- 1.2 What Causes Shunt Faults? -- 1.3 Aim and Importance of Fault Location -- 1.4 Types of Fault‐Locating Algorithms -- 1.5 How are Fault‐Locating Algorithms Implemented? -- 1.6 Evaluation of Fault‐Locating Algorithms -- 1.7 The Best Fault‐Locating Algorithm -- 1.8 Summary -- Chapter 2 Symmetrical Components -- 2.1 Phasors -- 2.2 Theory of Symmetrical Components -- 2.3 Interconnecting Sequence Networks -- 2.4 Sequence Impedances of Three‐Phase Lines -- 2.5 Exercise Problems -- 2.6 Summary -- Chapter 3 Fault Location on Transmission Lines -- 3.1 One‐Ended Impedance‐Based Fault Location Algorithms -- 3.1.1 Simple Reactance Method -- 3.1.2 Takagi Method -- 3.1.3 Modified Takagi Method -- 3.1.4 Current Distribution Factor Method -- 3.2 Two‐Ended Impedance‐Based Fault Location Algorithms -- 3.2.1 Synchronized Method -- 3.2.2 Unsynchronized Method -- 3.2.3 Unsynchronized Negative‐Sequence Method -- 3.2.4 Synchronized Line Current Differential Method -- 3.3 Three‐Ended Impedance‐Based Fault Location Algorithms -- 3.3.1 Synchronized Method -- 3.3.2 Unsynchronized Method -- 3.3.3 Unsynchronized Negative‐Sequence Method -- 3.3.4 Synchronized Line Current Differential Method -- 3.4 Traveling‐Wave Fault Location Algorithms -- 3.4.1 Single‐Ended Traveling Wave Method -- 3.4.2 Double‐Ended Traveling‐Wave Method -- 3.4.3 Error Sources -- 3.5 Exercise Problems -- 3.6 Summary -- Chapter 4 Error Sources in Impedance‐Based Fault Location -- 4.1 Power System Model -- 4.2 Input Data Errors -- 4.2.1 DC Offset -- 4.2.2 CT Saturation -- 4.2.3 Aging CCVTs -- 4.2.4 Open‐Delta VTs -- 4.2.5 Inaccurate Line Length -- 4.2.6 Untransposed Lines -- 4.2.7 Variation in Earth Resistivity -- 4.2.8 Non‐Homogeneous Lines.
4.2.9 Incorrect Fault Type Selection -- 4.3 Application Errors -- 4.3.1 Load -- 4.3.2 Non‐Homogeneous System -- 4.3.3 Zero‐Sequence Mutual Coupling -- 4.3.4 Series Compensation -- 4.3.5 Three‐Terminal Lines -- 4.3.6 Radial Tap -- 4.3.7 Evolving Faults -- 4.4 Exercise Problems -- 4.5 Summary -- Chapter 5 Fault Location on Overhead Distribution Feeders -- 5.1 Impedance‐Based Methods -- 5.1.1 Loop Reactance Method -- 5.1.2 Simple Reactance Method -- 5.1.3 Takagi Method -- 5.1.4 Modified Takagi Method -- 5.1.5 Girgis et al. Method -- 5.1.6 Santoso et al. Method -- 5.1.7 Novosel et al. Method -- 5.2 Challenges with Distribution Fault Location -- 5.2.1 Load -- 5.2.2 Non‐Homogeneous Lines -- 5.2.3 Inaccurate Earth Resistivity -- 5.2.4 Multiple Laterals -- 5.2.5 Best Data for Fault Location: Feeder or Substation Relays -- 5.2.6 Distributed Generation -- 5.2.7 High Impedance Faults -- 5.2.8 CT Saturation -- 5.2.9 Grounding -- 5.2.10 Short Duration Faults -- 5.2.11 Missing Voltage -- 5.3 Exercise Problems -- 5.4 Summary -- Chapter 6 Distribution Fault Location With Current Only -- 6.1 Current Phasors Only Method -- 6.2 Current Magnitude Only Method -- 6.3 Short‐Circuit Fault Current Profile Method -- 6.4 Exercise Problems -- 6.5 Summary -- Chapter 7 System and Operational Benefits of Fault Location -- 7.1 Verify Relay Operation -- 7.2 Discover Erroneous Relay Settings -- 7.3 Detect Instrument Transformer Installation Errors -- 7.4 Validate Zero‐Sequence Line Impedance -- 7.5 Calculate Fault Resistance -- 7.6 Prove Short‐Circuit Model -- 7.7 Adapt Autoreclosing in Hybrid Lines -- 7.8 Detect the Occurrence of Multiple Faults -- 7.9 Identify Impending Failures and Take Corrective Action -- 7.10 Exercise Problems -- 7.11 Summary -- A Fault Location Suite in MATLAB -- A.1 Understanding the Fault Location Script -- References -- Index -- EULA.
Record Nr. UNINA-9910830493303321
Das Swagata  
Hoboken, New Jersey ; ; Chichester, England : , : Wiley, , [2022]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Feasibility of large high-powered solar electric propulsion vehicles [[electronic resource] ] : issues and solutions / / Lynn A. Capadona ... [and others]
Feasibility of large high-powered solar electric propulsion vehicles [[electronic resource] ] : issues and solutions / / Lynn A. Capadona ... [and others]
Pubbl/distr/stampa Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2012]
Descrizione fisica 1 online resource (14 pages) : color illustrations
Altri autori (Persone) CapadonaLynn A
Collana NASA TM
Soggetto topico Feasibility
Solar electric propulsion
Spacecraft propulsion
Power transmission
Controllability
Spacecraft design
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Feasibility of large high-powered solar electric propulsion vehicles
Record Nr. UNINA-9910701949703321
Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2012]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fission Surface Power Systems (FSPS) Project final report for the Exploration Technology Development Program (ETDP) [[electronic resource] ] : fission surface power, transition face to face / / Donald T. Palac
Fission Surface Power Systems (FSPS) Project final report for the Exploration Technology Development Program (ETDP) [[electronic resource] ] : fission surface power, transition face to face / / Donald T. Palac
Autore Palac Donald T
Pubbl/distr/stampa Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2011]
Descrizione fisica 1 online resource (39 pages) : color illustrations
Collana NASA/TM
Soggetto topico Fabrication
Fission
Stirling cycle
Technology assessment
Power transmission
Planetary surfaces
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Fission Surface Power Systems
Record Nr. UNINA-9910700748003321
Palac Donald T  
Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2011]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Fission surface power technology development update [[electronic resource] /] / Donald T. Palac ... [and others] ; prepared for the Space 2010 Conference and Exposition sponsored by the American Institute of Aeronautics and Astronautics, Anaheim, California, August 30 to September 2, 2010
Fission surface power technology development update [[electronic resource] /] / Donald T. Palac ... [and others] ; prepared for the Space 2010 Conference and Exposition sponsored by the American Institute of Aeronautics and Astronautics, Anaheim, California, August 30 to September 2, 2010
Pubbl/distr/stampa Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2011]
Descrizione fisica 1 online resource (11 pages) : illustrations (some color)
Altri autori (Persone) PalacDonald T
Collana NASA TM-
Soggetto topico Fission
Power transmission
Nuclear reactors
Technology utilization
Spacecraft propulsion
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910700748703321
Cleveland, Ohio : , : National Aeronautics and Space Administration, Glenn Research Center, , [2011]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Helium research in support of superconducting power transmission : annual report for the period October 1, 1978-September 30, 1979 / / prepared by Thermophysical Properties Division, Center for Continuous Process Technology, National Bureau of Standards ; D.E. Daney, editor ; prepared for Brookhaven National Laboratory, Power Transmission Project
Helium research in support of superconducting power transmission : annual report for the period October 1, 1978-September 30, 1979 / / prepared by Thermophysical Properties Division, Center for Continuous Process Technology, National Bureau of Standards ; D.E. Daney, editor ; prepared for Brookhaven National Laboratory, Power Transmission Project
Pubbl/distr/stampa Upton, N.Y. : , : The Project, , 1980
Descrizione fisica 1 online resource (iv, 53 pages) : illustrations
Disciplina 621.39
Altri autori (Persone) DaneyD. E
Collana NBSIR
Soggetto topico Helium
Power transmission
Superconductors
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Helium research in support of superconducting power transmission
Record Nr. UNINA-9910712916203321
Upton, N.Y. : , : The Project, , 1980
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Hydrostatic transmissions and actuators : operation, modelling and applications / / Gustavo K. Costa, Nariman Sepehri
Hydrostatic transmissions and actuators : operation, modelling and applications / / Gustavo K. Costa, Nariman Sepehri
Autore Costa Gustavo K.
Pubbl/distr/stampa Chichester, England : , : Wiley, , 2015
Descrizione fisica 1 online resource (406 p.)
Disciplina 620.1/06
Soggetto topico Oil hydraulic machinery
Fluid power technology
Hydrostatics
Power transmission
Actuators
Soggetto genere / forma Electronic books.
ISBN 1-118-81889-X
1-118-81890-3
Classificazione TEC009070
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Cover; Title Page; Copyright; Dedication; Contents; Preface; Acknowledgements; About the Companion Website; Chapter 1 Introduction to Power Transmission; 1.1 Transmission Ratio; 1.1.1 Generalities; 1.1.2 Definition; 1.1.3 Classification; 1.2 Mechanical Transmissions; 1.2.1 Gear Trains; 1.2.2 Gearboxes; 1.2.3 Efficiency; 1.2.4 Continuously and Infinitely Variable Transmissions; 1.3 Hydraulic Transmissions; 1.4 Hydrostatic Transmissions; 1.4.1 Operational Principles; 1.4.2 Formal Definition of Hydrostatic Transmissions; 1.4.3 Classification of Hydrostatic Transmissions
1.4.4 Efficiency Considerations1.5 Hydromechanical Power-Split Transmissions; 1.5.1 General Classification; 1.5.2 Transmission Ratio; 1.5.3 Lockup Point; 1.5.4 Power Relations; 1.6 Mechanical and Hydrostatic Actuators; 1.6.1 Mechanical Actuators; 1.6.2 Hydrostatic Actuators; 1.6.3 Hydrostatic Actuation Versus Valve Control; 1.6.4 Multiple Cylinder Actuators; Exercises; References; Chapter 2 Fundamentals of Fluid Flows in Hydrostatic Transmissions; 2.1 Fluid Properties; 2.1.1 Viscosity; 2.1.2 Compressibility; 2.2 Fluid Flow in Hydraulic Circuits; 2.2.1 Flow Regimes
2.2.2 Internal Flow in Conduits2.2.3 Flow Through Orifices; 2.2.4 Leakage Flow in Pumps and Motors; 2.2.5 Other Loss Models; Exercises; References; Chapter 3 Hydrostatic Pumps and Motors; 3.1 Hydrostatic and Hydrodynamic Pumps and Motors; 3.2 Hydrostatic Machine Output; 3.2.1 Average Input-Output Relations; 3.2.2 Instantaneous Pump Output; 3.2.3 Instantaneous Motor Output; 3.2.4 Further Efficiency Considerations; 3.3 Hydrostatic Pump and Motor Types; 3.3.1 Radial Piston Pumps and Motors; 3.3.2 Axial Piston Pumps and Motors; 3.3.3 Gear Pumps and Motors; 3.3.4 Vane Pumps and Motors
3.3.5 Digital Displacement Pumps and Motors3.4 Energy Losses at Steady-State Operation; 3.4.1 Energy Balances; 3.4.2 Overall Efficiencies; 3.4.3 Simplified Efficiency Equations; 3.4.4 Efficiency Relations; 3.5 Modelling Pump and Motor Efficiencies; 3.5.1 Performance Curves; 3.5.2 Volumetric Efficiency Modelling; 3.5.3 Overall Efficiency Modelling; 3.5.4 Mechanical Efficiency; Exercises; References; Chapter 4 Basic Hydrostatic Transmission Design; 4.1 General Considerations; 4.1.1 Output Speed Control; 4.1.2 Transmission Losses; 4.2 Hydrostatic Transmission Efficiency; 4.2.1 Energy Balance
4.2.2 Conduit Efficiency4.2.3 Minor Pressure Losses; 4.2.4 Practical Application; 4.3 Transmission Output; 4.4 Steady-State Design Applications; 4.4.1 Case Study 1. Fixed-Displacement Motor and Variable-Displacement Pump; 4.4.2 Case Study 2. Fixed-Displacement Pump and Variable-Displacement Motor; 4.5 External Leakages and Charge Circuit; 4.6 Heat Losses and Cooling; 4.6.1 Sizing of the Heat Exchanger; 4.6.2 Loop Flushing; Exercises; References; Chapter 5 Dynamic Analysis of Hydrostatic Transmissions; 5.1 Introduction; 5.1.1 Pressure Surges during Transients
5.1.2 Mechanical Vibrations and Noise
Record Nr. UNINA-9910460810503321
Costa Gustavo K.  
Chichester, England : , : Wiley, , 2015
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui