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Figure 1. Hydrogen was generated in the transformer oil because of overheating on a low-voltage bushing connection owing to a loose nut on a 500-MVA generator step-up transformer. A hydrogen monitor alerted the owner to the problem. The transformer was repaired on-site.

Monitoring Hydrogen in Transformer Fleets

Jan. 29, 2021

Leon White

Leon White is vice president of transformer sales and business development at H2scan. A 15-year industry veteran, White joined H2scan from Qualitrol and previously worked at General Electric. White began his career as a substation design engineer at Ameren, an electric utility. White has electrical engineering and MBA degrees from Southern Illinois University at Edwardsville and is a registered professional engineer.