Algorithm for single interpretation of dissolved gas analysis

This paper presents an algorithm for single interpretation of DGA using different techniques based on diagnostic accuracy. The accuracy of the different techniques is obtained from published databases with cases verified by visual inspection. The algorithm is tested with data external to the databases used for the accuracy calculation. The algorithm shows consistency between the single diagnosis and each technique for the different faults. The algorithm itself is not a new DGA interpretation technique but it is intended for reliable decision management by field maintenance operators and personnel inexperienced in DGA interpretation.