Method for determining motor parameters during commissioning of synchronous and asynchronous electric motors and related commissioned electric motor
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United States of America Patent
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Jul 27, 2021
Grant Date -
Nov 12, 2020
app pub date -
May 4, 2020
filing date -
May 8, 2019
priority date (Note) -
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Abstract
A method for commissioning a synchronous or asynchronous electric motor having a stator and a rotor in which electrical power is applied to the motor when the rotor is stationary. The electric power is applied in two stages. The first stage utilizes a DC power that ramps in voltage over the duration of the first test to produce a current response that is employed to determine at least a first motor parameter. The second stage uses relatively high frequency AC power to generate one or more current responses that are employed to determine second and third motor parameters. A related electric motor drive system is also provided.
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