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Language | English |

Pages | 197 |

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Dimension | 7.48 MB |

**Advanced Electric Drives Using MATLAB Simulink**

Once I wrote the primary model of this textbook in 2001, my opening paragraph was as follows: Why write a textbook for a course that has just about disappeared from the curriculum at many universities?

The one doable reply is in hopes of reviving it (as we’ve been capable of do on the College of Minnesota) due to huge future alternatives that await us together with biomedical purposes equivalent to coronary heart pumps,

harnessing of renewable vitality sources equivalent to wind, manufacturing unit automation utilizing robotics, and clear transportation within the type of hybrid-electric autos. Right here we’re, greater than a decade later, and sadly the state of affairs is not any totally different.

It’s hoped that the situations would have modified when the time comes for the subsequent revision of this e-book in a couple of years from now.

This textbook follows the therapy of electrical machines and drives in my earlier textbook, Electric Machines and Drives: A First Course, revealed by Wiley (http://www.wiley.com/college/mohan).

My try on this e-book is to current the evaluation, management, and modeling of electrical machines as merely and concisely as doable, such that it will probably simply be lined in a single semester graduate-level course.

To take action, I’ve chosen a two-step strategy: first, present a “bodily” image with out resorting to mathematical transformations for simple visualization, after which affirm this physics-based evaluation mathematically.

The “bodily” image talked about above wants elaboration. Most analysis literature and textbooks on this subject deal with dq-axis transformation of a-b-c section portions on a purely mathematical foundation,

with out relating this transformation to a set of windings, albeit hypothetical, that may be visualized.

That’s, we visualize a set of hypothetical dq windings alongside an orthogonal set of axes after which relate their currents and voltages to the a-b-c section portions.

This dialogue follows seamlessly from the therapy of house vectors and the equal winding representations in regular state within the earlier course and the textbook talked about earlier.

For dialogue of all subjects on this course, laptop simulations are a necessity. For this function, I’ve chosen MATLAB/Simulink® for the next causes:

a student-version that’s greater than enough for our functions is on the market at a really affordable worth, and it takes extraordinarily brief time to develop into proficient in its use.

Furthermore, this identical software program simplifies the event of a real-time controller of drives within the {hardware} laboratory for scholar experimentation—such a laboratory utilizing 42-V machines is developed utilizing digital management and promoted by the College of Minnesota.

The MATLAB and Simulink recordsdata utilized in examples are included on the accompanying web site to this textbook: www.wiley.com/go/advancedelectricdrives.

As a remaining word, this textbook will not be meant to cowl energy electronics and management concept.

Quite, the aim of this e-book is to investigate electrical machines in a approach that may be interfaced to well-known energy digital converters and managed utilizing any management scheme,

the best being proportional-integral management, which is used on this textbook.

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