Superconducting commutator for DC machines

Details Superconducting commutator for DC machines Superconducting commutator for DC machines

1992-08-10

1993-10-26

Skudy, Robert

Electrical generator or motor structure

Dynamoelectric

Rotary

310 10, 310 52, 310 68B, 310156, 310177, 505878, H02K 1300

Patent

active

052569241

ABSTRACT:
A commutator employs superconducting switches to commutate currents in the field stator of a dc machine. The switches couple the machine's stator windings to a DC link. The switches are exposed to magnetic fields of alternating strengths, turning on and off in a sequence that maintains a constant torque angle between the stator's mmf vector and the flux vector of the machine's rotor or that rectifies a current induced into the stator by the machine's rotor.

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patent: 4464617 (1984-08-01), Yantovsky et al.
patent: 5177054 (1993-01-01), Lloyd et al.

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