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Washington utility replaces aging transformers with customized units

9/10/2017

 USA, Washington: U.S. power utility Avista is installing new-generation power transformers at its Kettle Falls plant in north-eastern Washington State.

Four dry-type transformers used inside the plant came into question during the preventive maintenance outage in 2015, which revealed that the insulation of the four 35-year-old units had already deteriorated to a concerning degree, reports Alterenergymag.

The utility decided to immediately replace two of the units with new custom-built transformers, and have two more replacement units custom-designed and manufactured.

The transformers are being supplied by ELSCO.

Source: Alterenergymag