METHOD OF ACTUATING A SINGLE-PHASE MOTOR, A SYSTEM FOR ACTUATING A SINGLE-PHASE MOTOR AND A SINGLE PHASE MOTOR
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United States of America Patent
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Issued Date -
Aug 25, 2011
app pub date -
Aug 15, 2008
filing date -
Aug 15, 2007
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method of actuating a single-phase motor, a system for actuating a single-phase motor and a single-phase motor, especially applied to a system that enables one to actuate single-phase induction motors of the CSR (capacitive start and run) type, as well as single-phase induction motors of the RSIR (resistive start inductive run), RSCR (resistive start capacitive run) and CSIR (capacitive start inductive run) types. The proposed method enables the system to actuate indistinctly any of the configurations of single-phase induction motor (6) with an auxiliary start winding (S), through a command logic responsible for connecting the start winding (S) in parallel with the main winding (R), keeping both disconnected from the network voltage (V.sub.AC) and keeping them in this way for a first start time (t.sub.a), after the first start time (ta), simultaneously keeping the start winding (S) and the main winding (R) connected to the network voltage (V.sub.AC) for a second time (t.sub.b), and after the second start time (tb) has passed, disconnecting the start winding (S) from the network voltage (V.sub.AC).
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