In utility networks, GE oil filled transformers are typically distinguished by design integration, protection and monitoring options, and compliance with utility standards and test programs. Utilities often value proven thermal design, robust bushing and tap changer configurations, compatibility with online monitoring, and established service support and spare parts availability. Performance is assessed through factory routine and type tests, field reliability, and ease of maintenance for oil systems, including sampling points, conservator arrangements, and leak management. In practice, utilities judge „distinguishing“ features by lifecycle performance and service ecosystem rather than oil type alone.
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