Simplified connections to control speed relating to electrical rotating machinery
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United States of America Patent
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-
Sep 18, 1984
Grant Date -
N/A
app pub date -
Dec 3, 1981
filing date -
Dec 11, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention discloses AC electrodynamic machines, such as electric motors, which are able to be operated in either a high speed mode or a low speed mode by not energizing one of the windings of the machine or by energizing the one winding so as to induce a magnetic pole of reverse polarity to that conventionally induced, respectively. Methods of operating AC electrodynamic machines are also disclosed.
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