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US 10,832,854 B2Granted
Dissolved gas analysis devices, systems, and methods
AssigneeABB Schweiz AG
InventorsHenry L. Buijs, Louis-Philippe A. Bibeau, Alex Ouellet-Belanger, Raphael N. Desbiens
Life of this patent
Estimating the term…
Abstract
Devices, systems, and methods for determining gas characteristics to monitor transformer operation include extracting gas from transformer fluid for analysis.
Claims20
A gas analysis system for determining characteristics of gas dissolved in a fluid of a transformer, the system comprising:
- an extraction coil for contact with the fluid, the extraction coil including gas- permeable material for receiving dissolved gas,
- a gas analyzer for determining gas characteristics, the gas analyzer including a gas cell having a cavity for receiving gas for analysis, and
- a gas circuit formed to include the extraction coil and the gas analyzer to circulate gas.
Dependencies are inferred from the claim text.