01616nam 2200373 450 99627993690331620231209090623.01-5044-4919-310.1109/IEEESTD.2018.8438588(CKB)4100000005688911(NjHacI)994100000005688911(EXLCZ)99410000000568891120231209d2018 uy 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierIEEE Std C57.147-2018 (Revision of IEEE Std C57.147-2008) IEEE Guide for Acceptance and Maintenance of Natural Ester Insulating Liquid in Transformers /Institute of Electrical and Electronics EngineersNew York :IEEE,2018.1 online resource (xii, 40 pages) illustrationsAssistance to equipment manufacturers and service companies to evaluate the suitability of unused natural ester insulating liquids being received from suppliers is provided in this guide. Information for transformer operators in evaluating and maintaining natural ester insulating liquids in serviceable condition is also provided.IEEE Std C57.147-2018 Electric insulators and insulationLiquidsLiquid dielectricsElectric insulators and insulationLiquids.Liquid dielectrics.621.31937NjHacINjHaclDOCUMENT996279936903316IEEE Std C57.147-2018 (Revision of IEEE Std C57.147-2008)3646816UNISA