Small Signals, Large Signals, and Saturation in Generator Modeling |
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Authors: | Minnich S.H. |
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Affiliation: | General Electric Company, Schenectady, NY; |
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Abstract: | Test and analytic results from recent EPRI-sponsored programs are organized to explain insights into generator modeling. It is shown how small-signal tests and analysis are related to the nonlinear incremental properties of rotor iron. Changes in rotor circuit topology caused by rotation are identified. The large-signal response of rotor circuits is differentiated from the small-signal response. These effects, customarily lumped under the term ``saturation,' are separated and differentiated. |
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