Theory and application of antenna arrays : M.T. Ma. 413 pages, 171 figures, 6x9 in., John Wiley,New York, 1974. Price, $22.50. |
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Authors: | Bernard D. Steinberg |
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Affiliation: | Moore School of Electrical Engineering University of Pennsylvania Philadelphia,Pennsylvania USA |
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Abstract: | The theory of transient operations of synchronous machines—the so called two-reaction theory—was developed during the years 1926–1938. Doherty, Nickle and Park made the first efforts to find a complete theory. The problem then was solved by Kron for a general rotating electrical machine. In this paper the two-axis-model-machine is described using a bond graph. An example is given in which state-space-equations and output-equations are derived from the bond graph. A power-conserving transformation between the electrical quantities of the armature windings of the model machine and those of the real three phase armature windings is developed. This transformation is shown as a displacement modulated transformer structure which is central to the bond graph model. |
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