What is the comparative study and analysis of DGA methods for transformer mineral oil?

The comparative study and analysis of DGA methods for transformer mineral oil involves evaluating various diagnostic techniques used to assess the condition of transformer oil. Key methods include gas chromatography, infrared spectroscopy, and online monitoring systems. Each method provides insights into dissolved gases, which indicate potential faults. The analysis focuses on sensitivity, accuracy, and response time, helping to determine the most effective approach for monitoring transformer mineral oil health and ensuring operational reliability.