SYSTEM AND METHOD OF CONTROLLING PARALLEL INVERTER POWER SUPPLY SYSTEM
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United States of America Patent
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Issued Date -
Feb 4, 2016
app pub date -
Jul 29, 2015
filing date -
Jul 29, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of controlling a pair of inverters connected in parallel and providing power to a motor. The speed of the motor is adjusted by varying the amplitude or frequency of the voltage supplied by each of the inverters to the motor. The method includes providing a system controller for controlling the frequency of the voltage supplied by each of the inverters. The frequency or amplitude setpoint of the voltage provided by each of the inverters is changed by sending a command signal from the system controller to each of the inverters in order to change the speed of the motor. The frequency or amplitude setpoint is controlled by a slew rate limiter.
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