Distribution system modeling and analysis
著者
書誌事項
Distribution system modeling and analysis
（Electric power engineering series）
CRC Press, c2002
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
For decades, distribution engineers did not have the sophisticated tools developed for analyzing transmission systems-often they had only their instincts. Things have changed, and we now have computer programs that allow engineers to simulate, analyze, and optimize distribution systems. Powerful as these programs are, however, without a real understanding of the operating characteristics of a distribution system, engineers using the programs can easily make serious errors in their designs and operating procedures.
Distribution System Modeling and Analysis helps prevent those errors. It gives readers a basic understanding of the modeling and operating characteristics of the major components of a distribution system. One by one, the author develops and analyzes each component as a stand-alone element, then puts them all together to analyze a distribution system comprising the various shunt and series devices for power-flow and short-circuit studies. He includes the derivation of all models and includes many numerical examples that demonstrate applying the models to solve typical problems.
This is the first book dedicated to distribution systems that is truly modern, covers computer applications, and gives a thorough grounding in modeling and analysis techniques. Assuming a basic foundation in transformers, electric machines, transmission lines, and symmetrical components, it serves as both a text for upper-level electrical engineering studies and as an essential reference for practicing engineers.
目次
INTRODUCTION TO DISTRIBUTION SYSTEMSMajor Components of a Power System
The Distribution System
Distribution Substations
Radial Feeders
Distribution Feeder Map
Distribution Feeder Electrical Characteristics
THE NATURE OF LOADS
Definitions
Individual Customer Load
Distribution Transformer Loading
Feeder LoadLoad Allocation
APPROXIMATE METHODS OF ANALYSIS
Voltage Drop
Line Impedance
"K" Factors
Uniformly Distributed Loads
Lumping Loads in Geometric Configurations
SERIES IMPEDANCE OF OVERHEAD AND UNDERGROUND LINESDevelopment of the modified Carson's equations
Series Impedence of Overhead Lines
Series Impedence of Underground LinesSummary
SHUNT ADMITTANCE OF OVERHEAD AND UNDERGROUND LINES
The General Voltage Drop Equation
Overhead Lines
Concentric Neutral Cable Underground Lines
Tape Shielded Cable Underground Lines
Sequence AdmittanceSummary
DISTRIBUTION SYSTEM LINE MODELS
Exact Line Segment Model
The Modified Line segment Segment Model
The Approximate Line Segment Model
VOLTAGE REGULATION OF VOLTAGES
Standard Voltage Ratings
Two-Winding Transformer Theory
The Two-Winding Autotransformer
Step-Type Voltage Regulators Models
Connections
THREE-PHASE TRANSFORMER MODELS
Generalized Matrices for all Standard Three-Phase Connections
The Delta-Grounded Wye Step-Down Connection
The Undergounded Wye-Delta Step-Down Connection
The Grounded Wye-Grounded Wye Connection
The Delta-Delta Connection
The Open Wye-Open Delta Connection
Thevenin Equivalent Circuit Summary
LOAD MODELS
Wye and Delta -Connected Loads
Delta-Connected Loads
Two-Phase and Single-Phase Loads
Shunt Capacitors
The Three-Phase Induction MotorSummary
DISTRIBUTION FEEDER ANALYSIS
Power-Flow Studies
Short-Circuit StudiesSummary
APPENDICES
Conductor Data Tables
Concentric Neutral Cable Data
Tape Shielded 15 kV Cable Data
Each chapter also contains a summary and exercises.
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