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Optical harmonics in molecular systems
| Optical harmonics in molecular systems |
| Autore | Andrews David L |
| Pubbl/distr/stampa | [Place of publication not identified], : Wiley VCH, 2002 |
| Descrizione fisica | 1 online resource (244 pages) |
| Disciplina | 530.1433 |
| Soggetto topico |
Harmonics (Electric waves)
Quantum electrodynamics Nonlinear optics Molecular structure Light & Optics Electricity & Magnetism Physics Physical Sciences & Mathematics |
| ISBN |
1-280-56095-9
9786610560950 3-527-60274-7 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910830511103321 |
Andrews David L
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||
| [Place of publication not identified], : Wiley VCH, 2002 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Optical harmonics in molecular systems
| Optical harmonics in molecular systems |
| Autore | Andrews David L |
| Pubbl/distr/stampa | [Place of publication not identified], : Wiley VCH, 2002 |
| Descrizione fisica | 1 online resource (244 pages) |
| Disciplina | 530.1433 |
| Soggetto topico |
Harmonics (Electric waves)
Quantum electrodynamics Nonlinear optics Molecular structure Light & Optics Electricity & Magnetism Physics Physical Sciences & Mathematics |
| ISBN |
1-280-56095-9
9786610560950 3-527-60274-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Record Nr. | UNINA-9910840927803321 |
|
Andrews David L
|
||
| [Place of publication not identified], : Wiley VCH, 2002 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Photon Counting Computed Tomography [[electronic resource] ] : Clinical Applications, Image Reconstruction and Material Discrimination / / edited by Scott Hsieh, Krzysztof (Kris) Iniewski
| Photon Counting Computed Tomography [[electronic resource] ] : Clinical Applications, Image Reconstruction and Material Discrimination / / edited by Scott Hsieh, Krzysztof (Kris) Iniewski |
| Autore | Hsieh Scott |
| Edizione | [1st ed. 2023.] |
| Pubbl/distr/stampa | Cham : , : Springer International Publishing : , : Imprint : Springer, , 2023 |
| Descrizione fisica | 1 online resource (271 pages) : illustrations |
| Disciplina | 616.0757 |
| Altri autori (Persone) | IniewskiKrzysztof (Kris) |
| Soggetto topico |
Electronics
Solid state physics Harmonics (Electric waves) X-rays Electronics and Microelectronics, Instrumentation Electronic Devices Harmonics and X-Ray generation |
| ISBN | 3-031-26062-7 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
Intro -- Contents -- Editors Biography -- Part I Clinical Applications -- Medical Photon-Counting CT: Status and Clinical ApplicationsReview -- 1 Introduction -- 2 Principles of Medical Photon-Counting CT -- 2.1 Properties of Solid-State Scintillation Detectors -- 2.2 Properties of Photon-Counting Detectors -- 2.3 Challenges for Photon-Counting Detectors in Medical CT -- 3 Pre-clinical Evaluation of Photon-Counting CT -- References -- Coronary Artery Calcifications Assessment with Photon-counting Detector Computed Tomography -- 1 Introduction -- 2 The Agatston Score (AS) for CAC Scoring -- 2.1 Definition of the Agatston Score -- 2.2 Phantom Inserts for AS Performance Assessment -- 2.3 Impact of the Blooming Artifact -- 3 Comparison of EID-CT and PCD-CT for Calcium Scoring -- 3.1 Agatston Score Values -- 3.2 Noise Reduction -- 3.3 Resolution Increase -- 3.4 Dose Robustness -- 3.5 Discussion and Limits -- 3.6 Clinical Implications -- 4 Spectral Information for Calcium Scoring -- 4.1 Virtual Monoenergetic Images (VMIs) -- 4.2 Material Classification -- 5 Conclusion -- References -- MARS for Orthopaedic Pathology -- 1 Introduction -- 2 Background -- 2.1 Conventional Imaging Modalities for Orthopaedic Applications -- 2.2 Spectral Photon-Counting CT with the MARS Imaging System -- 3 Applications of MARS Spectral Photon-Counting CT -- 3.1 Acute Fractures -- 3.2 Evaluation of Fracture Healing -- 3.3 Bone-Metal Interface Imaging -- 3.4 Bone Marrow Oedema Measurements -- 3.5 Bone Quality Measures: Bone Structure and Material Maps -- 4 Summary -- References -- MARS for Molecular Imaging and Preclinical Studies -- 1 Introduction -- 2 Background -- 3 Molecular Imaging Applications -- 3.1 Infectious Disease: Pulmonary Tuberculosis -- 3.2 Cancer -- 3.3 Characterization of Atherosclerotic Plaque -- 3.4 Bone Health -- 3.5 Cartilage Health.
3.6 Crystal-Induced Arthropathies -- 4 Summary -- References -- Quantitative Breast Lesion Characterization with Spectral Mammography: A Feasibility Study -- 1 Introduction -- 2 Materials and Methods -- 2.1 Spectral Mammography System -- 2.2 Dual-Energy Calibration -- 2.3 Phantom and Tissue Validation -- 2.4 Image Processing -- 3 Results -- 4 Discussions -- 5 Conclusions -- References -- Quantitative Breast Imaging with Low-Dose Spectral Mammography -- 1 Introduction -- 2 Theory -- 2.1 Theoretical Conversion -- 2.2 Experimental Conversion -- 3 Dual-Energy Material Decomposition Using Spectral Mammography: A Simulation Study -- 4 Dual-Energy Breast Density Quantification Using Spectral Mammography: A Phantom Study -- 4.1 Spectral Mammography System -- 4.2 Tissue-Equivalent Phantoms -- 4.3 Results -- 5 Quantification of Water and Lipid Density with Dual-Energy Mammography: Validation in Postmortem Breasts -- 5.1 Image Acquisition and Processing -- 5.2 Chemical Analysis -- 5.3 Results -- 5.4 Discussions -- 6 Conclusions -- References -- Part II Image Reconstruction and Material Discrimination -- An Overview of CT Reconstruction with Applications to Photon Counting Detectors -- 1 Reconstruction Fundamentals -- 2 Spectral Reconstruction -- 3 Take-Home Messages: Reconstruction for Detector Scientists -- References -- On the Choice of Base Materials for Alvarez-Macovski and DIRA Dual-energy Reconstruction Algorithms in CT -- 1 Introduction -- 2 Theory -- 2.1 The Physics of Incoherent Scattering -- 2.2 The Physics of Polyenergetic Computed Tomography (CT) Measurements -- 2.3 Alvarez and Macovski's Method -- 2.3.1 Solution of the Equation System -- 2.3.2 Reconstruction of Base Material Images and Monoenergetic Images -- 2.4 Dual-energy Iterative Reconstruction Algorithm (DIRA) -- 2.4.1 Computation of Forward Polyenergetic Projections in DIRA. 2.4.2 Choosing the Two Effective Energies in DIRA -- 2.4.3 Computation of Forward Monoenergetic Projections in DIRA -- 2.4.4 Base Material Decomposition in DIRA -- 2.4.5 Summary of DIRA -- 3 Methods -- 3.1 Visual Investigation of the Dimensionality of Relevant Materials -- 3.2 X-ray Spectra and Phantoms -- 3.3 Setup for the AM Algorithm -- 3.4 Setup for DIRA -- 4 Results -- 4.1 Analysis of Reconstructed Data for the Phantom Without an Iodine Insert -- 4.2 Analysis of Reconstructed Data for the Phantom with an Iodine Insert -- 5 Discussion -- 6 Conclusion -- References -- Spectral Imaging in Photon-Counting CT with Data Acquired in Interleaved/Gapped Spectral Channels -- 1 Introduction -- 2 Signal Detection, Material Decomposition, and Spectral Imaging in Photon-Counting CT -- 3 Spectral Channelization for Data Acquisition in 2-MD-Based Spectral Imaging -- 3.1 Benchmark Spectral Channelization -- 3.2 Spectral Channelization Using Half Source Spectrum -- 3.2.1 Spectral Channelization with Two Abutted Channels -- 3.2.2 Spectral Channelization with Two Gapped Channels -- 3.3 Spectral Channelization Using Full Source Spectrum -- 3.3.1 Interleaved Spectral Channelization and Pre-reconstruction Data Merge -- 3.3.2 Interleaved Spectral Channelization and Post-reconstruction Data Merge -- 3.4 Scan Techniques, Basis Materials, and Phantom for Image Quality Assessment -- 4 Image Quality Evaluation and Verification -- 4.1 Material Decomposition and Image Formation in Benchmark Spectral Channelization -- 4.2 Material-Specific Imaging in Interleaved/Gapped Spectral Channelization -- 4.3 Virtual Monochromatic Imaging in Interleaved/Gapped Spectral Channelization -- 5 Closing Remarks -- References -- One-Step Basis Image Reconstruction in Spectral CT Based on MAP-EM Algorithm and Polar Coordinate Transformation -- 1 Introduction -- 2 Materials and Methods. 2.1 MAP-EM Statistical Reconstruction Algorithm -- 2.2 Direct Iterative Material Decomposition Method Based on MAP-EM Algorithm -- 2.3 Simulation Setup -- 2.4 Evaluation Metrics -- 2.5 Calculation of Theoretical Decomposition Coefficients -- 3 Experimental Results -- 3.1 Evaluation of Regularization Parameter -- 3.2 Comparison of the Basis Images -- 3.2.1 Comparison of the Noise Levels (σ) -- 3.2.2 Comparison of the Gray Level Distributions in the Decomposition Coefficient Images -- 3.2.3 Comparison of Contrast Noise Ratios -- 3.2.4 Comparison of Error Levels of the Decomposition Coefficients -- 3.2.5 Comparison of the Reconstruction Time of Basis Images -- 4 Discussion -- 5 Conclusion -- References -- Quantitative Analysis Methodology of X-Ray Attenuation for Medical Diagnostic Imaging: Algorithm to Derive Effective Atomic Number, Soft Tissue and Bone Images -- 1 Introduction -- 2 Energy-Resolving Photon-Counting Detector to Realize Quantitative Analysis of an Object -- 3 Issues That Need to Be Considered to Achieve Accurate Material Identification -- 3.1 Beam Hardening Effect Depends on Effective Atomic Number -- 3.2 Response of Multi-Pixel-Type Energy-Resolving Photon-Counting Detector -- 3.3 Procedure to Correct for the Beam Hardening Effect and Detector Response -- 4 Material Identification Method Leading to Innovations in Imaging Technology -- 4.1 Novel Method to Derive Effective Atomic Number Image and Extract Mass Thickness Images Related to Soft Tissue and Bone -- 4.2 Spillover Effect on Applications -- 5 Summary -- References -- K-Edge Imaging in Spectral Photon-Counting Computed Tomography: A Benchtop System Study -- 1 Computed Tomography Evolution -- 1.1 Conventional CT -- 1.2 Dual-Energy CT -- 1.3 Spectral Photon-Counting CT -- 2 Contrast Agents -- 2.1 Iodinated Contrast Medium -- 2.2 K-Edge Materials for Clinical Applications. 2.3 K-Edge Imaging and Energy Binning -- 3 K-Edge Imaging Studies -- 3.1 I, Gd, and Ho K-Edge Imaging -- 3.2 3D Image Reconstruction -- 3.3 Image Quality Results -- 4 K-Edge Imaging Optimization for Multi-contrast Imaging -- 4.1 K-Edge Imaging Optimization Setup and Parameters -- 4.2 Optimization Results -- 5 Conclusions -- References -- Image Domain Performance Evaluation of a Photon-counting ASIC Using a Multilayer Perceptron Network -- 1 Introduction -- 2 Statistical Metric -- 3 Method -- 3.1 Physics Simulation -- 4 ASICs -- 4.1 Multilayer Perceptron -- 4.2 Image Domain Evaluation -- 5 Results -- 6 Summary -- References -- Index. |
| Record Nr. | UNINA-9910728386703321 |
|
Hsieh Scott
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| Cham : , : Springer International Publishing : , : Imprint : Springer, , 2023 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Plasma harmonics / / Rashid A. Ganeev
| Plasma harmonics / / Rashid A. Ganeev |
| Autore | Ganeev Rashid A. |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Boca Raton, FL : , : CRC Press : , : Pan Stanford Publishing, , [2014] |
| Descrizione fisica | 1 online resource (306 p.) |
| Disciplina | 530.446 |
| Soggetto topico |
Laser plasmas
Harmonics (Electric waves) Plasma (Ionized gases) |
| ISBN |
0-429-08240-1
981-4463-30-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Front Cover; Contents; Preface; Chapter 1: Why Plasma Harmonics?; Chapter 2: Theoretical Basics of Plasma Harmonics; Chapter 3: Low-Order Harmonic Generation in Plasma Plumes Using Nanosecond and Picosecond Driving Pulses; Chapter 4: High-Order Harmonic Generation in Plasma Plumes Using Picosecond Pulses; Chapter 5: Plasma HHG Using Femtosecond Pulses; Chapter 6: Characterization of Plasma Harmonics; Chapter 7: Recent Achievements in Plasma Harmonics; Summary; Back Cover |
| Record Nr. | UNINA-9910787568003321 |
|
Ganeev Rashid A.
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||
| Boca Raton, FL : , : CRC Press : , : Pan Stanford Publishing, , [2014] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Plasma harmonics / / Rashid A. Ganeev
| Plasma harmonics / / Rashid A. Ganeev |
| Autore | Ganeev Rashid A. |
| Edizione | [1st edition] |
| Pubbl/distr/stampa | Boca Raton, FL : , : CRC Press : , : Pan Stanford Publishing, , [2014] |
| Descrizione fisica | 1 online resource (306 p.) |
| Disciplina | 530.446 |
| Soggetto topico |
Laser plasmas
Harmonics (Electric waves) Plasma (Ionized gases) |
| ISBN |
0-429-08240-1
981-4463-30-2 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto | Front Cover; Contents; Preface; Chapter 1: Why Plasma Harmonics?; Chapter 2: Theoretical Basics of Plasma Harmonics; Chapter 3: Low-Order Harmonic Generation in Plasma Plumes Using Nanosecond and Picosecond Driving Pulses; Chapter 4: High-Order Harmonic Generation in Plasma Plumes Using Picosecond Pulses; Chapter 5: Plasma HHG Using Femtosecond Pulses; Chapter 6: Characterization of Plasma Harmonics; Chapter 7: Recent Achievements in Plasma Harmonics; Summary; Back Cover |
| Record Nr. | UNINA-9910822076603321 |
|
Ganeev Rashid A.
|
||
| Boca Raton, FL : , : CRC Press : , : Pan Stanford Publishing, , [2014] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Power quality harmonics analysis and real measurements data / / edited by Gregorio Romero Rey, Luisa Martinez Muneta
| Power quality harmonics analysis and real measurements data / / edited by Gregorio Romero Rey, Luisa Martinez Muneta |
| Pubbl/distr/stampa | Rijeka, Croatia : , : IntechOpen, , [2011] |
| Descrizione fisica | 1 online resource (292 pages) : illustrations |
| Disciplina | 535.2 |
| Soggetto topico | Harmonics (Electric waves) |
| ISBN | 953-51-4395-6 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Altri titoli varianti | Power quality |
| Record Nr. | UNINA-9910137701003321 |
| Rijeka, Croatia : , : IntechOpen, , [2011] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Power system harmonics [[electronic resource] /] / Jos Arrillaga and Neville R. Watson
| Power system harmonics [[electronic resource] /] / Jos Arrillaga and Neville R. Watson |
| Autore | Arrillaga J |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | West Sussex, England ; ; Hoboken, NJ, : J. Wiley & Sons, c2003 |
| Descrizione fisica | 1 online resource (413 p.) |
| Disciplina |
621.319/21
621.3191 621.31921 |
| Altri autori (Persone) | WatsonN. R |
| Soggetto topico |
Electric power systems
Harmonics (Electric waves) |
| ISBN |
1-280-27391-7
9786610273911 0-470-29979-7 0-470-87121-0 1-60119-551-6 0-470-87122-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
POWER SYSTEM HARMONICS; Contents; Preface; 1 Subject Definition and Objectives; 1.1 Introduction; 1.2 The Mechanism of Harmonic Generation; 1.3 Definitions and Standards; 1.3.1 Factors Influencing the Development of Standards; 1.3.2 Existing Harmonic Standards; 1.3.3 General Harmonic Indices; 1.4 Relevance of the Topic; 1.5 References; 2 Harmonic Analysis; 2.1 Introduction; 2.2 Fourier Series and Coefficients; 2.3 Simplifications Resulting from Waveform Symmetry; 2.4 Complex Form of the Fourier Series; 2.5 Convolution of Harmonic Phasors; 2.6 The Fourier Transform; 2.7 Sampled Time Functions
2.8 Discrete Fourier Transform (DFT)2.9 The Nyquist Frequency and Aliasing; 2.10 Fast Fourier Transform (FFT); 2.11 Window Functions; 2.11.1 The Picket Fence; 2.11.2 Spectral Leakage Reduction; 2.11.3 Choice of Window Function; 2.11.4 Main-Lobe Width Reduction; 2.11.5 Application to Inter-Harmonic Analysis; 2.12 Efficiency of FFT Algorithms; 2.12.1 The Radix-2 FFT; 2.12.2 Mixed-Radix FFT; 2.12.3 Real-Valued FFTs; 2.12.4 Partial FFTs; 2.13 Alternative Transforms; 2.13.1 The Wavelet Transform; 2.13.2 Automation of Disturbance Recognition; 2.14 Discussion; 2.15 References; 3 Harmonic Sources 3.1 Introduction 3.2 Transformer Magnetisation Nonlinearities; 3.2.1 Normal Excitation Characteristics; 3.2.2 Determination of the Current Waveshape; 3.2.3 Symmetrical Overexcitation; 3.2.4 Inrush Current Harmonics; 3.2.5 D.C. Magnetisation; 3.3 Rotating Machine Harmonics; 3.3.1 M.m.f. Distribution of A.C. Windings; 3.3.2 Three-Phase Winding; 3.3.3 Slot Harmonics; 3.3.4 Voltage Harmonics Produced by Synchronous Machines; 3.3.5 Rotor Saliency Effects; 3.3.6 Voltage Harmonics Produced by Induction Motors; 3.4 Distortion Caused by Arcing Devices; 3.4.1 Electric Arc Furnaces 3.4.2 Discharge-Type Lighting 3.5 Single-Phase Rectification; 3.5.1 D.C. Power Supplies; 3.5.2 Line-Commutated Railway Rectifiers; 3.6 Three-Phase Current-Source Conversion; 3.6.1 Basic (Six-Pulse) Configuration; 3.6.2 Effect of Transformer Connection; 3.6.3 Twelve-Pulse Related Harmonics; 3.6.4 Higher-Pulse Configurations; 3.6.5 Effect of Transformer and System Impedance; 3.6.6 Direct Voltage Harmonics; 3.6.7 Imperfect D.C. Voltage Smoothing; 3.6.8 Half-Controlled Rectification; 3.6.9 Uncharacteristic Harmonic and Inter-Harmonic Generation 3.6.10 Frequency Cross-Modulation in Line-Commutated Converter Systems 3.7 Three-Phase Voltage-Source Conversion; 3.7.1 Multi-Level VSC Configurations; 3.8 Inverter-Fed A.C. Drives; 3.9 Thyristor-Controlled Reactors; 3.9.1 The Static VAR Compensator (SVC); 3.9.2 Thyristor-Controlled Series Compensation (TCSC); 3.10 Modulated Phase Control; 3.10.1 The Switching Function Approach; 3.10.2 Derivation of Input Current Harmonics; 3.11 A.C. Regulators; 3.11.1 Single-Phase Full-Wave Controller; 3.11.2 Integral Cycle Control; 3.12 Discussion; 3.13 References; 4 Effects of Harmonic Distortion 4.1 Introduction |
| Record Nr. | UNINA-9910143480703321 |
|
Arrillaga J
|
||
| West Sussex, England ; ; Hoboken, NJ, : J. Wiley & Sons, c2003 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Power system harmonics [[electronic resource] /] / Jos Arrillaga and Neville R. Watson
| Power system harmonics [[electronic resource] /] / Jos Arrillaga and Neville R. Watson |
| Autore | Arrillaga J |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | West Sussex, England ; ; Hoboken, NJ, : J. Wiley & Sons, c2003 |
| Descrizione fisica | 1 online resource (413 p.) |
| Disciplina |
621.319/21
621.3191 621.31921 |
| Altri autori (Persone) | WatsonN. R |
| Soggetto topico |
Electric power systems
Harmonics (Electric waves) |
| ISBN |
1-280-27391-7
9786610273911 0-470-29979-7 0-470-87121-0 1-60119-551-6 0-470-87122-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
POWER SYSTEM HARMONICS; Contents; Preface; 1 Subject Definition and Objectives; 1.1 Introduction; 1.2 The Mechanism of Harmonic Generation; 1.3 Definitions and Standards; 1.3.1 Factors Influencing the Development of Standards; 1.3.2 Existing Harmonic Standards; 1.3.3 General Harmonic Indices; 1.4 Relevance of the Topic; 1.5 References; 2 Harmonic Analysis; 2.1 Introduction; 2.2 Fourier Series and Coefficients; 2.3 Simplifications Resulting from Waveform Symmetry; 2.4 Complex Form of the Fourier Series; 2.5 Convolution of Harmonic Phasors; 2.6 The Fourier Transform; 2.7 Sampled Time Functions
2.8 Discrete Fourier Transform (DFT)2.9 The Nyquist Frequency and Aliasing; 2.10 Fast Fourier Transform (FFT); 2.11 Window Functions; 2.11.1 The Picket Fence; 2.11.2 Spectral Leakage Reduction; 2.11.3 Choice of Window Function; 2.11.4 Main-Lobe Width Reduction; 2.11.5 Application to Inter-Harmonic Analysis; 2.12 Efficiency of FFT Algorithms; 2.12.1 The Radix-2 FFT; 2.12.2 Mixed-Radix FFT; 2.12.3 Real-Valued FFTs; 2.12.4 Partial FFTs; 2.13 Alternative Transforms; 2.13.1 The Wavelet Transform; 2.13.2 Automation of Disturbance Recognition; 2.14 Discussion; 2.15 References; 3 Harmonic Sources 3.1 Introduction 3.2 Transformer Magnetisation Nonlinearities; 3.2.1 Normal Excitation Characteristics; 3.2.2 Determination of the Current Waveshape; 3.2.3 Symmetrical Overexcitation; 3.2.4 Inrush Current Harmonics; 3.2.5 D.C. Magnetisation; 3.3 Rotating Machine Harmonics; 3.3.1 M.m.f. Distribution of A.C. Windings; 3.3.2 Three-Phase Winding; 3.3.3 Slot Harmonics; 3.3.4 Voltage Harmonics Produced by Synchronous Machines; 3.3.5 Rotor Saliency Effects; 3.3.6 Voltage Harmonics Produced by Induction Motors; 3.4 Distortion Caused by Arcing Devices; 3.4.1 Electric Arc Furnaces 3.4.2 Discharge-Type Lighting 3.5 Single-Phase Rectification; 3.5.1 D.C. Power Supplies; 3.5.2 Line-Commutated Railway Rectifiers; 3.6 Three-Phase Current-Source Conversion; 3.6.1 Basic (Six-Pulse) Configuration; 3.6.2 Effect of Transformer Connection; 3.6.3 Twelve-Pulse Related Harmonics; 3.6.4 Higher-Pulse Configurations; 3.6.5 Effect of Transformer and System Impedance; 3.6.6 Direct Voltage Harmonics; 3.6.7 Imperfect D.C. Voltage Smoothing; 3.6.8 Half-Controlled Rectification; 3.6.9 Uncharacteristic Harmonic and Inter-Harmonic Generation 3.6.10 Frequency Cross-Modulation in Line-Commutated Converter Systems 3.7 Three-Phase Voltage-Source Conversion; 3.7.1 Multi-Level VSC Configurations; 3.8 Inverter-Fed A.C. Drives; 3.9 Thyristor-Controlled Reactors; 3.9.1 The Static VAR Compensator (SVC); 3.9.2 Thyristor-Controlled Series Compensation (TCSC); 3.10 Modulated Phase Control; 3.10.1 The Switching Function Approach; 3.10.2 Derivation of Input Current Harmonics; 3.11 A.C. Regulators; 3.11.1 Single-Phase Full-Wave Controller; 3.11.2 Integral Cycle Control; 3.12 Discussion; 3.13 References; 4 Effects of Harmonic Distortion 4.1 Introduction |
| Record Nr. | UNINA-9910830819903321 |
|
Arrillaga J
|
||
| West Sussex, England ; ; Hoboken, NJ, : J. Wiley & Sons, c2003 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Power system harmonics [[electronic resource] /] / Jos Arrillaga and Neville R. Watson
| Power system harmonics [[electronic resource] /] / Jos Arrillaga and Neville R. Watson |
| Autore | Arrillaga J |
| Edizione | [2nd ed.] |
| Pubbl/distr/stampa | West Sussex, England ; ; Hoboken, NJ, : J. Wiley & Sons, c2003 |
| Descrizione fisica | 1 online resource (413 p.) |
| Disciplina |
621.319/21
621.3191 621.31921 |
| Altri autori (Persone) | WatsonN. R |
| Soggetto topico |
Electric power systems
Harmonics (Electric waves) |
| ISBN |
1-280-27391-7
9786610273911 0-470-29979-7 0-470-87121-0 1-60119-551-6 0-470-87122-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
POWER SYSTEM HARMONICS; Contents; Preface; 1 Subject Definition and Objectives; 1.1 Introduction; 1.2 The Mechanism of Harmonic Generation; 1.3 Definitions and Standards; 1.3.1 Factors Influencing the Development of Standards; 1.3.2 Existing Harmonic Standards; 1.3.3 General Harmonic Indices; 1.4 Relevance of the Topic; 1.5 References; 2 Harmonic Analysis; 2.1 Introduction; 2.2 Fourier Series and Coefficients; 2.3 Simplifications Resulting from Waveform Symmetry; 2.4 Complex Form of the Fourier Series; 2.5 Convolution of Harmonic Phasors; 2.6 The Fourier Transform; 2.7 Sampled Time Functions
2.8 Discrete Fourier Transform (DFT)2.9 The Nyquist Frequency and Aliasing; 2.10 Fast Fourier Transform (FFT); 2.11 Window Functions; 2.11.1 The Picket Fence; 2.11.2 Spectral Leakage Reduction; 2.11.3 Choice of Window Function; 2.11.4 Main-Lobe Width Reduction; 2.11.5 Application to Inter-Harmonic Analysis; 2.12 Efficiency of FFT Algorithms; 2.12.1 The Radix-2 FFT; 2.12.2 Mixed-Radix FFT; 2.12.3 Real-Valued FFTs; 2.12.4 Partial FFTs; 2.13 Alternative Transforms; 2.13.1 The Wavelet Transform; 2.13.2 Automation of Disturbance Recognition; 2.14 Discussion; 2.15 References; 3 Harmonic Sources 3.1 Introduction 3.2 Transformer Magnetisation Nonlinearities; 3.2.1 Normal Excitation Characteristics; 3.2.2 Determination of the Current Waveshape; 3.2.3 Symmetrical Overexcitation; 3.2.4 Inrush Current Harmonics; 3.2.5 D.C. Magnetisation; 3.3 Rotating Machine Harmonics; 3.3.1 M.m.f. Distribution of A.C. Windings; 3.3.2 Three-Phase Winding; 3.3.3 Slot Harmonics; 3.3.4 Voltage Harmonics Produced by Synchronous Machines; 3.3.5 Rotor Saliency Effects; 3.3.6 Voltage Harmonics Produced by Induction Motors; 3.4 Distortion Caused by Arcing Devices; 3.4.1 Electric Arc Furnaces 3.4.2 Discharge-Type Lighting 3.5 Single-Phase Rectification; 3.5.1 D.C. Power Supplies; 3.5.2 Line-Commutated Railway Rectifiers; 3.6 Three-Phase Current-Source Conversion; 3.6.1 Basic (Six-Pulse) Configuration; 3.6.2 Effect of Transformer Connection; 3.6.3 Twelve-Pulse Related Harmonics; 3.6.4 Higher-Pulse Configurations; 3.6.5 Effect of Transformer and System Impedance; 3.6.6 Direct Voltage Harmonics; 3.6.7 Imperfect D.C. Voltage Smoothing; 3.6.8 Half-Controlled Rectification; 3.6.9 Uncharacteristic Harmonic and Inter-Harmonic Generation 3.6.10 Frequency Cross-Modulation in Line-Commutated Converter Systems 3.7 Three-Phase Voltage-Source Conversion; 3.7.1 Multi-Level VSC Configurations; 3.8 Inverter-Fed A.C. Drives; 3.9 Thyristor-Controlled Reactors; 3.9.1 The Static VAR Compensator (SVC); 3.9.2 Thyristor-Controlled Series Compensation (TCSC); 3.10 Modulated Phase Control; 3.10.1 The Switching Function Approach; 3.10.2 Derivation of Input Current Harmonics; 3.11 A.C. Regulators; 3.11.1 Single-Phase Full-Wave Controller; 3.11.2 Integral Cycle Control; 3.12 Discussion; 3.13 References; 4 Effects of Harmonic Distortion 4.1 Introduction |
| Record Nr. | UNINA-9910841318403321 |
|
Arrillaga J
|
||
| West Sussex, England ; ; Hoboken, NJ, : J. Wiley & Sons, c2003 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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Power system harmonics and passive filter designs / / J.C. Das
| Power system harmonics and passive filter designs / / J.C. Das |
| Autore | Das J. C. <1934-> |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : IEEE Press/Wiley, , [2015] |
| Descrizione fisica | 1 online resource (873 p.) |
| Disciplina |
621.319/1
621.3191 |
| Collana | IEEE press series on power engineering |
| Soggetto topico |
Electric power system stability
Harmonics (Electric waves) Electric filters, Passive |
| ISBN |
1-118-88705-0
1-119-03572-4 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
FOREWORD xv -- PREFACE xix -- ABOUT THE AUTHOR xxi -- CHAPTER 1 POWER SYSTEM HARMONICS 1 -- 1.1 Nonlinear Loads 2 -- 1.2 Increases in Nonlinear Loads 3 -- 1.3 Effects of Harmonics 4 -- 1.4 Distorted Waveforms 4 -- 1.5 Harmonics and Sequence Components 7 -- 1.6 Harmonic Indices 9 -- 1.7 Power Factor, Distortion Factor, and Total Power Factor 11 -- 1.8 Power Theories 13 -- 1.9 Amplification and Attenuation of Harmonics 27 -- References 28 -- CHAPTER 2 FOURIER ANALYSIS 31 -- 2.1 Periodic Functions 31 -- 2.2 Orthogonal Functions 31 -- 2.3 Fourier Series and Coefficients 33 -- 2.4 Odd Symmetry 35 -- 2.5 Even Symmetry 36 -- 2.6 Half-Wave Symmetry 37 -- 2.7 Harmonic Spectrum 41 -- 2.8 Complex form of Fourier Series 41 -- 2.9 Fourier Transform 43 -- 2.10 Dirichlet Conditions 52 -- 2.11 Power Spectrum of a Function 54 -- 2.12 Convolution 56 -- 2.13 Sampled Waveform: Discrete Fourier Transform 57 -- 2.14 Fast Fourier Transform 64 -- References 69 -- CHAPTER 3 HARMONIC GENERATION-1 71 -- 3.1 Harmonics in Transformers 71 -- 3.2 Energization of a Transformer 79 -- 3.3 Delta Windings of Three-Phase Transformers 82 -- 3.4 Harmonics in Rotating Machine Windings 92 -- 3.5 Cogging and Crawling of Induction Motors 97 -- 3.6 Synchronous Generators 102 -- 3.7 Saturation of Current Transformers 104 -- 3.8 Ferroresonance 105 -- 3.9 Power Capacitors 111 -- 3.10 Transmission Lines 112 -- References 112 -- CHAPTER 4 HARMONIC GENERATION-II 115 -- 4.1 Static Power Converters 115 -- 4.2 Single-Phase Bridge Circuit 115 -- 4.3 Reactive Power Requirements of Converters 122 -- 4.4 Three-Phase Bridge Circuit 124 -- 4.5 Harmonics on Output (DC) Side 133 -- 4.6 Inverter Operation 135 -- 4.7 Diode Bridge Converters 139 -- 4.8 Switch-Mode Power (SMP) Supplies 142 -- 4.9 Home Appliances 143 -- 4.10 Arc Furnaces 144 -- 4.11 Cycloconverters 147 -- 4.12 Thyristor-Controlled Reactor 150 -- 4.13 Pulse Width Modulation 154 -- 4.14 Voltage Source Converters 158 -- 4.15 Wind Power Generation 162 -- 4.16 Fluorescent Lighting 165.
4.17 Adjustable Speed Drives 167 -- 4.18 Pulse Burst Modulation 174 -- 4.19 Chopper Circuits and Electric Traction 175 -- 4.20 Slip Frequency Recovery Schemes 177 -- 4.21 Power Semiconductor Devices 178 -- References 181 -- CHAPTER 5 INTERHARMONICS AND FLICKER 183 -- 5.1 Interharmonics 183 -- 5.2 Sources of Interharmonics 183 -- 5.3 Arc Furnaces 192 -- 5.4 Effects of Interharmonics 196 -- 5.5 Reduction of Interharmonics 198 -- 5.6 Flicker 198 -- 5.7 Flicker Testing 202 -- 5.8 Control of Flicker 205 -- 5.9 Tracing Methods of Flicker and Interharmonics 208 -- 5.10 Torsional Analysis 210 -- 5.11 Subsynchronous Resonance 217 -- References 225 -- CHAPTER 6 HARMONIC REDUCTION AT THE SOURCE 229 -- 6.1 Phase Multiplication 230 -- 6.2 Varying Topologies 230 -- 6.3 Harmonic Cancellation: Commercial Loads 232 -- 6.4 Input Reactors to the PWM ASDs 235 -- 6.5 Active Filters 237 -- 6.6 Active Current Shaping 248 -- 6.7 Hybrid Connections of Active and Passive Filters 251 -- 6.8 Impedance Source Inverters 255 -- 6.9 Matrix Converters 259 -- 6.10 Mutilevel Inverters 262 -- 6.11 Switching Algorithms for Harmonic Control 270 -- 6.12 Theory of Resultants of Polynomials 271 -- References 277 -- CHAPTER 7 ESTIMATION AND MEASUREMENTS OF HARMONICS 281 -- 7.1 Waveform without Ripple Content 282 -- 7.2 Waveform with Ripple Content 288 -- 7.3 Phase Angle of Harmonics 298 -- 7.4 Measurements of Harmonics 304 -- 7.5 Measuring Equipment 309 -- 7.6 Transducers for Harmonic Measurements 312 -- 7.7 Characterizing Measured Data 314 -- 7.8 Probabilistic Concepts 316 -- 7.9 Summation of Harmonic Vectors with Random Angles 323 -- 7.10 Central Limit Theorem 326 -- 7.11 Kalman Filtering 326 -- References 329 -- CHAPTER 8 EFFECTS OF HARMONICS 331 -- 8.1 Rotating Machines 332 -- 8.2 Effect of Negative Sequence Currents on Synchronous Generators 335 -- 8.3 Insulation Stresses 337 -- 8.4 Transformers 345 -- 8.5 Cables 359 -- 8.6 Capacitors 361 -- 8.7 Voltage Notching 362 -- 8.8 EMI (Electromagnetic Interference) 363. 8.9 Overloading of Neutral 367 -- 8.10 Protective Relays and Meters 369 -- 8.11 Circuit Breakers and Fuses 372 -- 8.12 Telephone Influence Factor 372 -- References 377 -- CHAPTER 9 HARMONIC RESONANCE 379 -- 9.1 Two-Port Networks 379 -- 9.2 Resonance in Series and Parallel RLC Circuits 383 -- 9.3 Practical LC Tank Circuit 391 -- 9.4 Reactance Curves 396 -- 9.5 Foster's Networks 397 -- 9.6 Harmonic Resonance 400 -- 9.7 Harmonic Resonance in a Distribution System 404 -- 9.8 Elusiveness of Resonance Problems 405 -- 9.9 Resonance Due to Single-Tuned Filters 408 -- 9.10 Switched Capacitors for Power Factor Improvement 410 -- 9.11 Secondary Resonance 411 -- 9.12 Multiple Resonances in a Distribution Feeder 415 -- 9.13 Part-Winding Resonance in Transformer Windings 416 -- 9.14 Composite Resonance 419 -- 9.15 Resonance in Transmission Lines 421 -- 9.16 Zero Sequence Resonance 421 -- 9.17 Factors Affecting Harmonic Resonance 423 -- References 424 -- CHAPTER 10 HARMONIC DISTORTION LIMITS ACCORDING TO STANDARDS 427 -- 10.1 Standards for Limitation of Harmonics 427 -- 10.2 IEEE 519 Harmonic Current and Voltage Limits 429 -- 10.3 Point of Common Coupling (PCC) 432 -- 10.4 Applying IEEE 519 Harmonic Distortion Limits 433 -- 10.5 Time Varying Characteristics of Harmonics 435 -- 10.6 IEC Harmonic Current Emission Limits 436 -- 10.7 Voltage Quality 440 -- 10.8 Commutation Notches 444 -- 10.9 Applying Limits to Practical Power Systems 449 -- References 450 -- CHAPTER 11 APPLICATION OF SHUNT CAPACITOR BANKS 453 -- 11.1 Shunt Capacitor Banks 453 -- 11.2 Location of Shunt Capacitors 458 -- 11.3 Ratings of Capacitors 459 -- 11.4 Shunt Capacitor Bank Arrangements 465 -- 11.5 Fusing 468 -- 11.6 Connections of Banks 476 -- 11.7 Unbalance Detection 479 -- 11.8 Destabilizing Effect of Capacitor Banks 481 -- 11.9 Switching Transients of Capacitor Banks 483 -- 11.10 Control of Switching Transients 486 -- 11.11 Switching Capacitors with Motors 489 -- 11.12 Switching Devices 490 -- 11.13 Switching Controls 498. References 501 -- CHAPTER 12 MODELING OF SYSTEM COMPONENTS FOR HARMONIC ANALYSIS 503 -- 12.1 Transmission Lines 503 -- 12.2 Cables 532 -- 12.3 Zero Sequence Impedance of OH Lines and Cables 538 -- 12.4 Filter Reactors 539 -- 12.5 Transformers 540 -- 12.6 Induction Motors 554 -- 12.7 Synchronous Generators 556 -- 12.8 Load Models 557 -- 12.9 System Impedance 559 -- 12.10 Three-Phase Models 561 -- 12.11 Uncharacteristic Harmonics 563 -- 12.12 Converters 564 -- References 566 -- CHAPTER 13 HARMONIC MODELING OF SYSTEMS 569 -- 13.1 Electrical Power Systems 569 -- 13.2 Extent of Network Modeling 572 -- 13.3 Impact of Loads and Generation 573 -- 13.4 Short-Circuit and Fundamental Frequency Load Flow Calculations 574 -- 13.5 Industrial Systems 578 -- 13.6 Distribution Systems 582 -- 13.7 Transmission Systems 589 -- 13.8 Compensation of Transmission Lines 593 -- 13.9 Commercial Buildings 598 -- 13.10 Residential Loads 599 -- 13.11 HVDC Transmission 599 -- References 605 -- CHAPTER 14 HARMONIC PROPAGATION 607 -- 14.1 Harmonic Analysis Methods 608 -- 14.2 Frequency Domain Analysis 608 -- 14.3 Frequency Scan 610 -- 14.4 Voltage Scan 611 -- 14.5 Harmonic Analysis Methods 612 -- 14.6 Time Domain Analysis 620 -- 14.7 Sensitivity Methods 620 -- 14.8 Unbalanced AC System and HVDC Link 622 -- 14.9 Hybrid Frequency and Time Domain Concept 623 -- 14.10 Probabilistic Concepts 626 -- 14.11 Computer-Based Programs 631 -- 14.12 Harmonic Analyses of a Large Industrial System 632 -- 14.13 Long Transmission Line 653 -- 14.14 34.5 kV UG Cable 673 -- 14.15 5-Bus Transmission System 673 -- References 682 -- CHAPTER 15 PASSIVE FILTERS 685 -- 15.1 Filter Types 685 -- 15.2 Single-Tuned Filters 690 -- 15.3 Harmonic Filter Detuning and Unbalance 699 -- 15.4 Relations in an ST Filter 699 -- 15.5 Selection of Q Factor 701 -- 15.6 Double-Tuned Filter 702 -- 15.7 Bandpass Filters 704 -- 15.8 Damped Filters 705 -- 15.9 Type C Filter 710 -- 15.10 Zero Sequence Traps 716 -- 15.11 Series-Type Low-Pass Filter 717. 15.12 Transfer Function Approach for Filter Designs 718 -- 15.13 Optimization Techniques of Filter Designs 723 -- 15.14 Genetic Algorithms for Filter Designs 728 -- 15.15 HVDC-DC Filters 731 -- 15.16 Limitations of Passive Filters 734 -- 15.17 Flowchart for Design of Filters 735 -- 15.18 Filter Components 735 -- 15.19 Failure of Harmonic Filters 741 -- References 741 -- CHAPTER 16 PRACTICAL PASSIVE FILTER DESIGNS 745 -- 16.1 Study 1: Small Distribution System with Major Six-Pulse Loads 745 -- 16.2 Study 2: Filters for Arc Furnance Loads 756 -- 16.3 Study 3: Filters for Two 8000-Hp ID Fan Drives 770 -- 16.4 Study 4: Double-Tuned filter on a Three-Winding Transformer 782 -- 16.5 Study 5: PV Solar Generation Plant 785 -- 16.6 Study 6: Impact of Harmonics at a Distance 799 -- 16.7 Study 7: Wind Generation Farm 804 -- INDEX 829. |
| Record Nr. | UNINA-9910132274203321 |
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Das J. C. <1934->
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| Hoboken, New Jersey : , : IEEE Press/Wiley, , [2015] | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
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