H - Electricity – 02 – P
Patent
H - Electricity
02
P
H02P 25/02 (2006.01) H02P 5/40 (1990.01) H02P 6/02 (1990.01)
Patent
CA 2109068
The aim of the invention is to obtain a process for operating a perm- anently excited single-phase alternating current machine which allows opti- mal exploitation of the machine and economical design of the converter. The process of the invention is characterized in that the effective value of a phase current i of the alternating current machine at maximum torque can be minimized by impressing certain shapes of a terminal voltage u, using a converter. The optimal voltage shape, eg., sinusoidal, square wave or mixed, is chosen in function of the operating range of the machine. The process of the invention makes it possible for the first time to use a conver- ter of economical design to supply a permanently excited single-phase al- ternating current machine, such as a transverse flux machine, and in so do- ing to turn all the advantages of this machine to account is a wide range of applications.
Gowling Lafleur Henderson Llp
J.m. Voith Gesellschaft Mbh
Voith Turbo Gmbh & Co. Kg
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