System and method for managing transient power disruptions on ESP motor drives
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United States of America Patent
Stats
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Sep 20, 2022
Grant Date -
Jun 17, 2021
app pub date -
Dec 14, 2020
filing date -
Dec 12, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system for the resilience of an electric submersible pumping system to a transient power interruption includes a power backup connected to the variable speed drive of the pumping system. A method for controlling the electric submersible pump during the transient power interruption includes connecting a variable speed drive to a power source, charging one or more rechargeable batteries within the power backup, and connecting the power backup to the variable speed drive. The method continues with the steps of operating the motor with the variable speed drive, detecting a disruption in AC power from the power source to the variable speed drive, and applying power from the power backup to the variable speed drive to operate the motor during the transient interruption in electrical power.
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