H - Electricity – 02 – K
Patent
H - Electricity
02
K
318/89, 318/99,
H02K 3/28 (2006.01) H02M 5/27 (2006.01) H02P 25/02 (2006.01)
Patent
CA 1299641
Case 3029 A CYCLOCONVERTER DRIVE UTILIZING A DUAL STATOR MOTOR Abstract of the Disclosure A drive system which has a three phase synchronous motor for providing the driving power has a rotor with its rotor winding connected to a source of controlled current. Each of the three phases in the stator winding has a first portion and a second portion. The first portions of the three phase windings and the second portions of the three phase windings are arranged in parallel as separate three phase winding groups. There is a controlled power source, such as a converter, for each winding portion with each power source being connected to a respective winding portion. For the same output, the voltage at the motor terminals is less than for a motor with a standard three phase winding. If there is a fault associated with a power source connected with a first winding portion, the motor may be run at reduced power using only the second winding portions and the power sources connected thereto.
601476
Chadwick Philip
Eckersley Raymond A.
General Electric Canada Inc.
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