Harmonics and power systems. (2015)

• Record Type: Book
• Further Information: Note: Francisco C. De La Rosa.
• Authors: De La Rosa, Francisco C
• Contents: Preface Acknowledgments About the Author Fundamentals of Harmonic Distortion and Power Quality Indices in Electric Power Systems Introduction Basics of Harmonic Theory Linear and Nonlinear Loads Linear Loads Nonlinear Loads Fourier Series Orthogonal Functions Fourier Coefficients Even Functions Odd Functions Effect of Waveform Symmetry Examples of Calculation of Harmonics Using Fourier Series Power Quality Indices under Harmonic Distortion Total Harmonic Distortion Total Demand Distortion Telephone Influence Factor TIF C Message Index I * T and V * T Products K Factor Displacement, Distortion, and Total Power Factor Voltage-Related Parameters Power Quantities under Nonsinusoidal Situations Instantaneous Voltage and Current Instantaneous Power rms Values Active Power Reactive Power Apparent Power Voltage in Balanced Three-Phase Systems Voltage in Unbalanced Three-Phase Systems References Harmonic Sources Introduction The Signature of Harmonic Distortion Traditional Harmonic Sources Transformers Rotating Machines Power Converters Fluorescent Lamps Electric Furnaces Future Sources of Harmonics References Standardization of Harmonic Levels Introduction Harmonic Distortion Limits In Agreement with IEEE 519-1992 In Conformance with IEC Harmonic Distortion Limits References Effects of Harmonics on Distribution Systems Introduction Thermal Effects on Transformers Neutral Conductor Overloading Miscellaneous Effects on Capacitor Banks Overstressing Resonant Conditions Unexpected Fuse Operation Abnormal Operation of Electronic Relays Lighting Devices Telephone Interference Thermal Effects on Rotating Machines Pulsating Torques in Rotating Machines Abnormal Operation of Solid-State Devices Considerations for Cables and Equipment Operating in Harmonic Environments Generators Conductors Energy Metering Equipment References Harmonic Measurements Introduction Relevant Harmonic Measurement Questions Why Measure Waveform Distortion? How to Carry Out Measurements What Is Important to Measure? Where Should Harmonic Measurements Be Conducted? How Long Should Measurements Last? Measurement Procedure Equipment Transducers Relevant Aspects References Harmonic Filtering Techniques Introduction General Aspects in the Design of Passive Harmonic Filters Single-Tuned Filters Design Equations for the Single-Tuned Filter Parallel Resonant Points Quality Factor Recommended Operation Values for Filter Components Unbalance Detection Filter Selection and Performance Assessment Band-Pass Filters Relevant Aspects to Consider in the Design of Passive Filters Methodology for Design of Tuned Harmonic Filters Select Capacitor Bank Needed to Improve the Power Factor from the Present Level Typically to around 0.9 to 0.95 Choose a Reactor that, in Series with a Capacitor, Tunes Filter to Desired Harmonic Frequency Determine Whether Capacitor Operating Parameters Fall within IEEE 182 Maximum Recommended Limits Test Out Resonant Conditions Example 1: Adaptation of a Power Factor Capacitor Bank into a Fifth Harmonic Filter Example 2: Digital Simulation of Single-Tuned Harmonic Filters Example 3: High-Pass Filter at Generator Terminals Used to Control a Resonant Condition Example 4: Comparison between Several Harmonic Mitigating Schemes Using University of Texas at Austin HASIP Program4 Active Filters References Other Methods to Decrease Harmonic Distortion Limits Introduction Network Topology Reconfiguration Increase of Supply Mode Stiffness Harmonic Cancellation through Use of Multipulse Converters Series Reactors as Harmonic Attenuator Elements Phase Balancing Phase Voltage Unbalance Effects of Unbalanced Phase Voltage Reference Harmonic Analyses Introduction Power Frequency vs. Harmonic Current Propagation Harmonic Source Representation Time-Frequency Characteristic of the Disturbance Resonant Conditions Burst-Type Harmonic Representation Harmonic Propagation Facts Flux of Harmonic Currents Modeling Philosophy Single-Phase vs. Three-Phase Modeling Line and Cable Models Transformer Model for Harmonic Analysis Power Factor Correction Capacitors Interrelation between AC System and Load Parameters Particulars of Distribution Systems Some Specifics of Industrial Installations Analysis Methods Simplified Calculations Simulation with Commercial Software Examples of Harmonic Analysis Harmonic Current during Transformer Energization Phase A to Ground Fault References Fundamentals of Power Losses in Harmonic Environments Introduction Meaning of Harmonic-Related Losses Relevant Aspects of Losses in Power Apparatus and Distribution Systems Harmonic Losses in Equipment Resistive Elements Transformers Example of Determination of K Factor Rotating Machines References The Smart Grid Concept Introduction Photovoltaic Power Generator Harnessing the Wind FACTS Technology Concept and Its Extended Adoption in Distribution Systems High-Voltage Direct Current (HVDC) Transmission References Harmonics in the Present Smart Grid Setting Introduction Photovoltaic Power Converters Main Operation Aspects Harmonic Generation in Photovoltaic Converters Typical Harmonics in Photovoltaic Converter Conventional Wind Power Converters Typical Harmonics in Wind Power Converters Power Electronics Harmonics Inherent in FACTS Technology Most Common Power Frequency Components in the FACTS Technology HVDC Harmonics and Filtering References Harmonics from Latest Innovative Electric Grid Technologies Introduction Electric Vehicles Connected to the Grid Superconducting Fault Current Limiters Use of SCFCLs as a Means to Reduce Harmonic Sequence Currents during Faults, Leading to Wind Turbine Generator Transient Torque Reduction Electric Vehicle Charging Stations References
• Edition: Second edition
• Publisher Details: Boca Raton : CRC Press
• Publication Date: 2015
• Extent: 1 online resource, illustrations (black and white, and colour)
• Subjects: 621.3191; Harmonics (Electric waves); Electric power distribution
• Languages: English
• ISBNs: 9781482243840
• Related ISBNs: 9781482243833
• Notes: Note: Includes bibliographical references and index.; Note: Description based on CIP data; item not viewed.
• Access Rights: Legal Deposit; Only available on premises controlled by the deposit library and to one user at any one time; The Legal Deposit Libraries (Non-Print Works) Regulations (UK).
• Access Usage: Restricted: Printing from this resource is governed by The Legal Deposit Libraries (Non-Print Works) Regulations (UK) and UK copyright law currently in force.