Read e-book online Analysis of Electric Machinery and Drive Systems (2nd PDF

By Paul C. Krause

ISBN-10: 047114326X

ISBN-13: 9780471143260

An up-to-date method of reference body research of electrical machines and force systemsSince the 1st version of study of electrical equipment used to be released, the reference body idea that was once special within the booklet has develop into the universally permitted strategy for the research of either electrical machines and electrical force platforms. Now in its moment version, research of electrical equipment and force platforms provides, in a single source, the appliance of this concept to the research, simulation, and layout of the total force procedure together with the desktop, converter, and control.Supplemented with greater than 325 figures, this ebook additionally covers: research of converters utilized in electrical force structures, in addition to DC, induction, and brushless DC motor drives distinct remedy of supervisory right down to change point converter controls Nonlinear general price modeling of converters and force structures Operational impedances and reduced-order modeling instructions for machine simulation of machines and force systemsComplete with condensed, quick-reference remedies of important theoretical fabric, research of electrical equipment and force platforms, moment version is suitable as a senior- and graduate-level textual content in addition to a useful source for electric, mechanical, and structures engineers within the electrical equipment and drives parts.

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Extra resources for Analysis of Electric Machinery and Drive Systems (2nd Edition)

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TWO-DIMENSIONAL LOGICAL TRANSFORMS nels for skeletonization is given in Chapter 6. Both dual-point kernels and triple-point kernels are of interest because of the extremely simple circuitry by which they may be implemented. This is of importance when large array cellular automata are to be mass-produced. In general, however, the dual-point and triple-point kernels are less powerful computationally than the multi-point kernels described in the folloWing section. , they include only a subset of the immediate neighbors, they cannot be used directly in the detection of connectivity relationships.

The latter method employes the Fourier transform. Convolution by a square (NxN) kernel leads to a sine(x)sine( y) transfer function which produces a 180 degree phase shift beyond its cutoff frequency returning to 0 degrees at a frequency twice its cutoff frequency and oscillating thereafter 34 2. • TID-D lMENS IONAl lex:; lCAl TRANSFORMS • Fig. 2-12 Augmentation and reduction of a 256-e1ement diameter circle in the square tessellation using (left-right, top-bottom) :: = 0,1,2,3 (augmentation) and :: = 8,7,6,5 (reduction).

2) to one of the thresholded images in Figure 2-1 with 3 = O. As can be seen, horizontal extension to the right has been achieved after several iterations of the transform were performed. If, after each transform the result is logically EXORed with the input, then the result is as demonstrated in Figure 2-4b. This figure shows horizontal edge translation to the right. By alternating the dual-point kernel from iteration to iteration translation in any given direction up-down, left-right, etc. may be achieved.

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Analysis of Electric Machinery and Drive Systems (2nd Edition) by Paul C. Krause

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