Harmonics and power systems
著者
書誌事項
Harmonics and power systems
（Electric power engineering series）
CRC/Taylor & Francis, 2006
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注記
Includes bibliographical references and index
Also available on the Internet
内容説明・目次
内容説明
Harmonics have always been a problem with industrial loads, but now more and more consumer and commercial power loads are cropping up as sources of harmonic currents. Approaching the problem from both utility and end-user perspectives, Harmonics and Power Systems addresses the most relevant aspects in the generation and propagation of harmonic currents in electrical networks.
Grounded in years of practical experience working and teaching in the electric, oil, and steel industries in several countries to address the harmonics problem, De La Rosa elucidates the concepts and equations with worked examples and various illustrations generated using current industrial software tools. From a general overview of the principles and equations used to describe and analyze harmonic currents to the fundamentals of power losses in harmonic environments, this field-tested book offers detailed coverage of passive harmonic filters, harmonic propagation analysis, and alternatives to filtering. The author provides a clear-cut procedure for evaluating harmonic current propagation and assessing their penetration into electrical networks. He also discusses the most important and widely used industry standards to control harmonic distortion levels.
Recognizing the diversity of power networks, this book examines the role of specific characteristics of various types of networks. Harmonics and Power Systems is an easy-to-follow, practical introduction for novices and a useful problem-solving tool for seasoned professionals.
目次
FUNDAMENTALS OF HARMONIC DISTORTION AND POWER QUALITY INDICES IN ELECTRIC POWER SYSTEMS
Introduction
Basics of Harmonic Theory
Linear and Nonlinear Loads
Fourier Series
Power Quality Indices under Harmonic Distortion
Power Quantities under Nonsinusoidal Situations
References
HARMONIC SOURCES
Introduction
The Signature of Harmonic Distortion
Traditional Harmonic Sources
Future Sources of Harmonics
References
STANDARDIZATION OF HARMONIC LEVELS
Introduction
Harmonic Distortion Limits
References
EFFECTS OF HARMONICS ON DISTRIBUTION SYSTEMS
Introduction
Thermal Effects on Transformers
Miscellaneous Effects on Capacitor Banks
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
References
HARMONICS MEASUREMENTS
Introduction
Relevant Harmonic Measurement Questions
Measurement Procedure
Relevant Aspects
References
HARMONIC FILTERING TECHNIQUES
Introduction
General Aspects in the Design of Passive Harmonic Filters
Single-Tuned Filters
Band-Pass Filters
Relevant Aspects to Consider in the Design of Passive Filters
Methodology for Design of Tuned Harmonic Filters
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 Program
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
Reference
HARMONIC ANALYSES
Introduction
Power Frequency vs. Harmonic Current Propagation
Harmonic Source Representation
Harmonic Propagation Facts
Flux of Harmonic Currents
Interrelation between AC System and Load Parameters
Analysis Methods
Examples of Harmonic Analysis
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
Example of Determination of K Factor
Rotating Machines
References
INDEX
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