Method and system for controlling a control installation of an electric motor
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United States of America Patent
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Nov 27, 2018
Grant Date -
Aug 24, 2017
app pub date -
Jan 4, 2017
filing date -
Feb 18, 2016
priority date (Note) -
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Abstract
A control method which is deployed in a control installation of an electric motor, the control installation including a first converter controlled for the application of the first voltage pulse edges to an electric motor of a first pulse width modulation, obtained by comparing a first carrier signal, applied at a first chopping frequency, with a first modulating signal, a second converter controlled of a second pulse width modulation, obtained by comparing a second carrier signal, applied at a second chopping frequency, with a second modulating signal. The control method involves the determination of a notional optimum phase-shift angle on the basis of the first chopping frequency and the second chopping frequency.
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