METHOD AND SYSTEM FOR BLACKOUT PREVENTION ON A DRILLING RIG
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Sep 27, 2023
filing date -
Sep 27, 2023
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Abstract
A method of operating an energy supply system of a drilling rig, the energy supply system including a battery storage, a generator, and an electrical bus that connects to the drilling rig. The method includes: providing power to the electrical bus with the generator or a utility grid (the electrical bus is energized with a bus voltage at a bus frequency); monitoring the electrical bus for a predetermined condition; and controlling an active front end (AFE) connected to the battery storage based on whether or not the predetermined condition is satisfied, such that: a first set of parameters is used by the AFE while the predetermined condition is not satisfied; and a second set of parameters is used by the AFE while the predetermined condition is satisfied.
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