The OCC is measured by increasing the field current in steps from zero to some maximum value, and recording the corresponding values of armature emf. If now the current is decreased from maximum to zero, the emf values will be different; why?
The OCC is measured by increasing the field current in steps from zero to some maximum value, and recording the corresponding values of armature emf. If now the current is decreased from maximum to zero, the emf values will be different; why?
Chapter42: Synchronous Automatic Motor Starter
Section: Chapter Questions
Problem 9SQ: How does the AC coil of the PFR receive the induced field current without receiving the full field...
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The OCC is measured by increasing the field
current in steps from zero to some maximum value, and recording the corresponding values of armature emf. If now the current is decreased from maximum to zero, the emf values will be different; why?
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