Method of monitoring placement of voltage/current probes on motors
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United States of America Patent
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-
May 22, 2001
Grant Date -
N/A
app pub date -
Jun 6, 2000
filing date -
May 20, 1996
priority date (Note) -
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Importance
Abstract
A motor performance analyzer senses currents and voltages applied to the motor, converts the sensed signals to digital data signals, and stores the digital data signals. The analyzer includes a processor for evaluating and comparing the digital data signals to predetermined values for voltage and current of the motor to determine and check for the correct placement of the current and voltage probes along corresponding phases of the motor. The analyzer also includes [and] a display for alerting a user or technician to potential motor problems, or to developing problems, including winding faults and broken rotor bars. [Advanced signal processing techniques are used to further evaluate stored data and to provide trending information.]
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