Control of Electric Machine Drive Systems by Seung-Ki Sul PDF

By Seung-Ki Sul

ISBN-10: 0470590793

ISBN-13: 9780470590799

ISBN-10: 0470876549

ISBN-13: 9780470876541

A new angle to sensorless keep an eye on and regulator layout of electrical drives

in accordance with the author's mammoth event and collaborative works with different industries, Control of electrical desktop force Systems is jam-packed with proven, carried out, and proven rules that engineers can follow to daily difficulties within the box. initially released in Korean as a textbook, this hugely functional up-to-date model gains the most recent details at the keep an eye on of electrical machines and equipment, in addition to a brand new bankruptcy on sensorless keep watch over of AC machines, a subject matter now not coated in the other publication.

The booklet starts through explaining the positive factors of the electrical force method and tendencies of improvement in similar applied sciences, in addition to the fundamental constitution and operation rules of the electrical computer. It additionally addresses regular nation features and regulate of the machines and the transformation of actual variables of AC machines utilizing reference body idea to be able to offer a formal beginning for the material.

the guts of the ebook experiences numerous keep watch over algorithms of electrical machines and gear converters, explaining lively damping and the way to control present, velocity, and place in a suggestions demeanour. Seung-Ki Sul introduces tips to improve the keep an eye on functionality of the electrical machines, and the set of rules to observe the part perspective of an AC resource and to regulate DC hyperlink voltages of strength converters. subject matters additionally coated are:

  • Vector regulate
  • Control algorithms for position/speed sensorless force of AC machines
  • Methods for determining the parameters of electrical machines and tool converters
  • The matrix algebra to version a three-phase AC computing device in d-q-n axes

each bankruptcy good points workout difficulties drawn from genuine event. The booklet additionally contains greater than three hundred figures and gives entry to an FTP website, which gives MATLAB courses for chosen difficulties. The book's practicality and realworld relatability make it a useful source for execs and engineers curious about the examine and improvement of electrical computing device force enterprise, business force designers, and senior undergraduate and graduate students.

To receive teacher fabrics please ship an e mail

to go to this book's FTP site to obtain MATLAB codes, please click this hyperlink: 

MATLAB codes also are downloadable from Wiley Booksupport web site at


Chapter 1 advent (pages 1–35):
Chapter 2 simple constitution and Modeling of electrical Machines and tool Converters (pages 36–115):
Chapter three Reference body Transformation and temporary country research of Three?Phase AC Machines (pages 116–153):
Chapter four layout of Regulators for electrical Machines and gear Converters (pages 154–229):
Chapter five Vector regulate [1 and a couple of] (pages 230–282):
Chapter 6 Position/Speed Sensorless keep an eye on of AC Machines (pages 283–323):
Chapter 7 functional matters (pages 324–353):

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Extra resources for Control of Electric Machine Drive Systems

Sample text

And by the rotation of the electric machine, the cage moves up or down. 3 Traction Load (Electric Vehicle, Electric Train) The machine, used as the traction machine of the electric vehicle or the electric train, requires high torque at starting and low speed and requires low torque at high speed, as shown in Fig. 17. In the conventional internal combustion engine (ICE), the torque–speed range with reasonable efficiency is quite narrow, and the multi-ratio gear system—so-called transmission—is used to match the torque and speed of ICE to the operating condition of the vehicle.

Here, the inertia and the friction coefficient are assumed to be constant regardless of the rotational speed. In the transient state, the characteristics of a DC machine can be expressed by solving the equations. 22), in general, are nonlinear equations, and it is very difficult to find general analytical solutions. 11 Equivalent circuit of a separately excited DC machine. ω rm of the nonlinear system in overall operating region is quite difficult. At a given operating point, by using small signal analysis the system can be linearized, and the stability at that operating point can be evaluated under the assumption of the small disturbance.

Also, plot the sum of input power to the machines according to the time. During trolley motion, the spreader, trolley, and container can be considered as a single mass. The acceleration and deceleration of the hoist motion is the same with the case of part 1, but the maximum speed of the hoist motion is 24 m/min. 10. For RTGC in problem 9, the electric power to the machine is provided by a 400-kWengine generator set as shown in Fig. 13. (1) When the hoist machine is a six-pole, permanent-magnet synchronous machine, plot the input frequency to the hoist machine according to the time at the motion described in problem 9.

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Control of Electric Machine Drive Systems by Seung-Ki Sul

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