METHOD FOR DETECTING THE ACTUATION OF A CONTROL ELEMENT OF A CONTROL FRONT OF AN INVERTER AND CONTROL FRONT FOR AN INVERTER
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United States of America Patent
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Issued Date -
Oct 7, 2010
app pub date -
Nov 5, 2008
filing date -
Nov 22, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method for detection of the actuation of at least one control element (16) of a control front (14) of an inverter (1) and to a control front (14) for an inverter (1) with at least one control element (16). The method essentially does not affect the efficiency of the inverter (1). The method provides that upon actuation of the at least one control element (16) at one secondary side of a transmitter (15), the transmitter will be placed under load, and the load will be detected and evaluated on one primary side of the transmitter (15) by a control apparatus (8), to which at least one actuated control element is allocated, wherein a voltage signal is applied to the primary side of the transmitter (15) and the actuation at least of one control element (16) is detected and evaluated at the voltage-free and/or unpowered secondary side of the transmitter (15) due to the change in the voltage signals at the primary side of the transmitter (15).
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