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Theory of induction motor control, discussing singlerange (below synchronism only) speed and power factor control by means of a constant-speed series commutator motor, by means of a constant-speed shunt commutator motor, by means of a constant-speed compound excited commutator motor; double range (all speeds above or below synchronism) speed and power factor control by means of a constant-speed shunt commutator motor; and double-range (either above or below synchronism) operation ation remote from synchronism. The discussion is illustrated in detail, special attention being paid to the circle diagram.
American Institute of Electrical Engineers, Transactions of the (Volume:XXXIX , Issue: 2 )
Date of Publication: July 1920