Survey: DGA transformer monitoring important (but challenging) for utilities

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A survey of electric power industry professionals found that dissolved-gas analysis (DGA) is becoming a preferred and vital part of utilities’ asset management strategies as they try to extend the life of their aging transformer fleets. But there's an impediment to wide-scale deployment - the cost.

 

The survey was conducted by LumaSense Technologies earlier this year in support a product launch. A small sample of power industry professionals – including electric utilities and transformer manufacturers around the world – was polled about DGA and transformer monitoring. Among the findings:

 

·         94% of respondents consider online DGA important

·         44% of respondents stated that 0-10% of their transformers have online DGA monitoring

·         44% of respondents said the average age of their transformers are 30+ years

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