Transient analysis of electrical machines by flowgraph concepts

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Abstract
The paper suggests the application of flowgraph method to the transient analysis of electrical machines. The method of approach has been outlined, based on the concept of flowgraph approach to Laplace transforms and representation of differntial equations by the elementary differential operators. The concepts' of sequence flow-graph and conjugate flowgraph are introduced to facilitate fiowgraph representation under transient conditions. Transient analysis of a 3-phase inducation machine at starting with balanced sinusoidal potential applied simultaneously to the terminals has been carried out; the flow-graph of the transient condition being drawn by the assembly of some 'unique and non-redundant' elementry flowgraph transform operators. The method, it is shown, can serve as a systematic and unified approach to the solution of transient problems in electrical machines and help a better understanding of the transient conditions

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