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 |
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 | ||
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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 | ||
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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 | ||
|
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 | ||
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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 | ||
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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 | ||
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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 | ||
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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 | ||
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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 | ||
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