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Electric Machines
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Power Quality
Both deregulation in the electrical supply industry and the creation of new electricity markets present electric utility companies with the challenge of becoming more efficient without compromising quality of service. Providing new solutions for this newly deregulated paradigm, Power Quality: VAR Compensation in Power Systems presents comprehensive coverage of power quality, harmonics, and static var compensators in one single volume. The book explains how to ensure that power quality is not affected by the harmonics generated by power electronic equipment and explains how to reduce labor costs and increase reliability of supply by employing a single pole autoreclosing scheme. It also addresses how to analyze frequency response of current transformers and voltage transformers while measuring harmonics. Based on the authors’ extensive experience in the electric supply industry, Power Quality enables engineers to meet the demands of increased loads, strengthen their transmission systems, and ensure reliable electric supply.
Synchronous Machines
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Electric Machines
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Power System Analysis and Design
The objective of this book is to present methods of power system analysis and design, particularly with the aid of a personal computer, in sufficient depth to give the student the basic theory at the undergraduate level.
Protective Relays
1. Purpose of Protective Relays and Relaying. Causes of Faults. Definitions. Functions of Protective Relays. Application to a Power System.- 2. Relay Design and Construction. Characteristics. Choice of Measuring Units. Construction of Measuring Units. Construction of Timing Units. Details of Design. Cases. Panel Mounting. Operation Indicators. Finishes.- 3. The Main Characteristics of Protective Relays. Phase and Amplitude Comparators. Relay Characteristics. General Equation for Characteristics. Inversion Chart. Resonance. Appendix.- 4. Overcurrent Protection. Time-Current Characteristics. App.
Variable Frequency AC Motor Drive Systems
AC motors. Power switching devices. The six-step voltage source inverter for induction motors. The pulse width modulated voltage source inverter for induction motors. The six-step current source inverter drive. The six-step synchro-convertor system for synchronous motors. The current source inverter for the capacitor self-excited induction motor. The cycloconvertor. The slip energy recovery system for wound rotor induction motors.
Electric Machines
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Matrices for Engineers
Matrices for Engineers is designed to supply engineers and engineering students with a foundation in matrix theory and versatility in the manipulation of matrices. The book's approach provides the necessary material in a direct manner, with examples that illustrate each concept as it appears. The book emphasizes methodology and includes topics such as how to obtain the characteristic polynomial of a matrix; the factorizations of a coefficient matrix for ease of computation; and linear transformations from an intuitive and engineering point of view, in which conditions at one point in a system induce conditions at another. Indeed, it covers computational techniques and goes beyond matrix alge...
