Significance of CO2/CO ratio in dissolved gas analysis (CROSBI ID 283218)
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Podaci o odgovornosti
Banović, Mladen ; Ramachandran, P ; Rego, Navin ; Justiz, Pavel
engleski
Significance of CO2/CO ratio in dissolved gas analysis
According to the literature, the ratio of carbon dioxide and carbon monoxide (CO2/CO) for a transformer with a healthy cellulose insulation system should be between 3 and 11. If results of the dissolved gas analysis (DGA) of oil from transformers in service give the ratio value of CO2/CO less than 3, it means that the cellulose insulation is degrading rapidly. What is the meaning of this ratio if it is high ; say greater than 15 or 20?
carbon monoxide ; carbon dioxide ; ratio ; dissolved gas analysis
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