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Dynamic Simulations of Electric Machinery : Using MATLAB/SIMULINK
by: Chee-Mun Ong
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Everything you need to use MATLAB and SIMULINK for interactive modeling.
With today's personal computers, students have the power to create simulations of electric machinery that allow them to study transient and control performance and test conceptual designs. The outcome of these simulations can reveal behaviors that may not have been readily apparent from the theory and design of the machines.
This book and its accompanying website offer a complete treatment from background theory and models to implementation and verification techniques for simulations and linear analysis of frequently studies machine systems. They include:
Three- and single-phase transformers, modeling of core saturation.
Three- and single-phase induction machines.
Three- and six-phase synchronous machines, wound and permanent magnet field.
DC machines: four-quadrant drive operation, starting, speed and torque control.
Induction machine drives: volts/hertz control and field-oriented control Synchronous machines in power system studies: multi-machine system, shaft torsionals, excitation control.
Synchronous machine drives: self-control and permanent magnet field.
Every chapter of Dynamic Simulation of Electric Machinery includes exercises and projects that can be explored using the accompanying software. A full chapter is devoted to the use of MATLAB and SIMULINK, and an appendix provides a convenient overview of key numerical methods used.
Dynamic Simulation of Electric Machinery provides professional engineers and students with a complete toolkit for modeling and analyzing power systems on their desktop computers.
Serious challenger to the best book on my shelf: Learning for the first time how an electrical machine works is newer easy, but how hard it is, depends a lot on the form of teaching. Professor Dr. Chi-Mun Ong has done an exelent work on how firstly to model the basic electrical machines (DC-motor, induction motor and synchronous motor) and secondly how to model the motors in a dynamic system. He describes the method of dq0-transformation of currents, voltages etc. in a nice understandable way and uses one of the best tools for constructing and solving coupled dynamic systems. The tool is ofcourse Matlab/simulink. Matlab/simulink is needed to be able to run the examples from the CDROM, but is not needed to understand the text.
I myself might disagree to a degree on how the differential equations themself are solved and I do not like that he uses a base for the angular speed.
There are unfortunately some some errors in the development of the model for the induction motor (i have not checked for the synchronous motor), but they are obvious if the text is used as a base to develop your model.
This is, I must say, nevertheless a very good book
Excellent procedure to introduce complex transient phenomena: Teaching the dynamics and transients in electric machines for the Msc students is not easy. Analysis becomes more complex by introducing converters and control. What i found excellent in this book is in introducing many projects of simulation by matlab /simulink at the end of every chapter, which is very helpful for professors and for students to understand the dynamics of DC and AC electric machines. The author introduce also very well AC and DC speed drives. Another excellent point is that we got the Matlab/Simulink projects on a CD with the book and we can use it in workshop for our students.
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