SYSTEM AND METHOD FOR CONTROLLING INVERTER
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United States of America Patent
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Issued Date -
Sep 3, 2015
app pub date -
Dec 8, 2014
filing date -
Feb 28, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and system for controlling an inverter for operating a motor are provided. The method includes reducing a switching frequency of the inverter for applying a load current to the motor when the motor is used for energy consumption. Reduction of the switching frequency of the inverter enhances damage prevention and durability of the inverter. In the method, an operation mode of the inverter for operating the motor is determined based on a command received from an upper-level controller. When the operation mode of the inverter is determined to be an energy consumption mode, a switching frequency of the inverter is decreased relative to the switching frequency in a general operation mode.
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