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Shipboard Electrical Power Systems addresses new developments in this growing field. Focused on the trend toward electrification to power commercial shipping, naval, and passenger vessels, this book helps new or experienced engineers master cutting-edge methods for power system design, control, protection, and economic use of power.
Provides Basic Transferable Skills for Managing Electrical Power on Ships or on Land
This groundbreaking book is the first volume of its kind to illustrate optimization of all aspects of shipboard electrical power systems. Applying author Mukund Patel’s rare combination of industrial and educational work experiences and insight, it offers solutions to meet the increasing demand for large, fast, efficient, and reconfigurable ships to compete in international markets.
For 30 years, Professor Patel was an engineer for companies including General Electric, Lockheed Martin, and Westinghouse Electric, and in the past 15 years he has been an engineering professor at the U.S. Merchant Marine Academy. That varied experience helped him zero in on the specialized multidimensional knowledge an engineer requires—and that is what sets his book apart.
Compiles Critical, Hard-to-Find Information on Power System Design, Analysis, and Operation
The global shortage of power engineers is not deterring countries from heavily investing in construction of new power plants and grids. Consequent growth in university electrical power programs is satisfying the demand for engineers, but novice graduates require accelerated understanding and practical experience before entering the thriving maritime segment.
Ideal for readers with limited electrical experience, wide-ranging coverage includes power system basics, power generation, electrical machines, power distribution, batteries, and marine industry standards. This book is an invaluable tool for engineers working on ships, as well as in ports, industrial power plants, refineries, and other similar environments.
Table of Contents
AC Power Fundamentals
Current Voltage Power and Energy
Alternating Current
AC Phasor
Phasor Algebra Review
Single-Phase AC Power Circuit
AC Power in Complex Form
Reactive Power
Three-Phase AC Power System
Shipboard Power System Architectures
Types of Ship Drives
Electrical Design Tasks
Electrical Load Analysis
Power System Configurations
Cold Ironing/Shore Power
Efficiency and Reliability of Chain
Shipboard Circuit Designation
Ship Simulator
Systems of Units
Common Aspects of Power Equipment
Faraday’s Law and Coil Voltage Equation
Mechanical Force and Torque
Electrical Equivalent of Newton’s Third Law
Power Losses in Electrical Machine
Maximum Efficiency Operating Point
Thevenin Equivalent Source Model
Voltage Drop and Regulation
Load Sharing among Sources
Power Rating of Equipment
Temperature Effect on Resistance
AC Generator
Terminal Performance
Electrical Model
Electrical Power Output
Transient Stability Limit
Equal Area Criteria of Transient Stability
Speed and Frequency Regulations
Load Sharing among AC Generators
Isosynchronous Generator
Excitation Methods
Short Circuit Ratio
Automatic Voltage Regulator
AC and DC Motors
Induction Motor
Synchronous Motor
Motor HP and Line Current
Dual-Use Motors
Unbalanced Voltage Effect
DC Motor
Universal (Series) Motor AC or DC
Special Motors for Ship Propulsion
Torque versus Speed Comparison
Transformer
Transformer Categories
Types of Transformers
Selection of kVA Rating
Transformer Cooling Classes
Three-Phase Transformer Connections
Full-Δ and Open-Δ Connections
Magnetizing Inrush Current
Single-Line Diagram Model
Three-Winding Transformer
Percent and Per Unit Systems
Equivalent Impedance at Different Voltage
Continuous Equivalent Circuit through Transformer
Influence of Transformer Impedance
Power Cable
Conductor Gage
Cable Insulation
Conductor Ampacity
Cable Electrical Model
Skin and Proximity Effects
Cable Design
Marine and Special Cables
Cable Routing and Installation
Power Distribution
Typical Distribution Scheme
Grounded and Ungrounded Systems
Ground Fault Detection Schemes
Distribution Feeder Voltage Drop
Bus Bars Electrical Parameters
High-Frequency Distribution
Switchboard and Switchgear
Fault Current Analysis
Types and Frequency of Faults
Fault Analysis Model
Asymmetrical Fault Transient
Fault Current Offset Factor
Fault Current Magnitude
Motor Contribution to Fault Current
Current Limiting Series Reactor
Unsymmetrical Faults
Circuit Breaker Selection Simplified
System Protection
Fuse
Overload Protection
Electromechanical Relay
Circuit Breaker
Differential Protection of Generator
Differential Protection of Bus and Feeders
Ground Fault Current Interrupter
Transformer Protection
Motor Branch Circuit Protection
Lightning and Switching Voltage Protection
Surge Protection for Small Sensitive Loads
Protection Coordination
Health Monitoring
Arc Flash Analysis
Economic Use of Power
Economic Analysis
Power Loss Capitalization
High Efficiency Motor
Power Factor Improvement
Energy Storage During Night
Variable Speed Motor Drives AC and DC
Regenerative Braking
Electrochemical Battery
Major Rechargeable Batteries
Electrical Circuit Model
Performance Characteristics
Battery Life
Battery Types Compared
More on the Lead-Acid Battery
Battery Design Process
Safety and Environment
Marine Industry Standards
Standard-Issuing Organizations
Classification Societies
IEEE Standard-45
Code of Federal Regulations
Military-Std-1399
Appendix A: Symmetrical Components
Appendix B: Operating Ships Power System Data
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Author(s)
Biography
Mukund R. Patel, Ph.D., P.E., is a professor of engineering at the U.S. Merchant Marine Academy in Kings Point, New York, USA. He has about 50 years of hands-on involvement in research, development, and design of the state-of-the-art electrical power equipment and systems. He has held positions including: principal engineer at General Electric, fellow engineer at the Westinghouse Research & Development Center, senior staff engineer at Lockheed Martin Corporation, and development manager at Bharat Bijlee (Siemens) Limited. Dr. Patel obtained his Ph.D. degree in Electric Power Engineering from the Rensselaer Polytechnic Institute, Troy, New York, and his M.S. in Engineering Management from the University of Pittsburgh. He also received an M.E. in Electrical Machine Design from Gujarat University, and a B.E. from Sardar University, India.
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