| 摘要 |
The invention relates to a method for determining a rate of leakage of an insulation gas from a gas-insulated compartment (C1, C2, C3) of an electrical apparatus comprising a plurality of similar compartments, characterized in that it comprises the steps of: periodically determining (E3) a gas density (D1, D2, D3) for each of the compartments, determining (E4) respective straight lines (DR1, DR2, DR3) on the basis of series of gas densities for each of the compartments, comparing (E6) the slopes of the determined straight lines to one another, detecting (E7) a leak if the result of a comparison for one of the slopes is greater than a threshold, and, in the event of a detection, determining (E8) a leakage rate for the compartment associated with the slope that led to a detection. |
