Title :
Design and Test Experience with Natural Ester Fluid for Power Transformers
Author_Institution :
Kuhlman Electr., Crystal Spring, MS
Abstract :
Natural ester seed oil is a biodegradable fluid that is increasingly being used as a replacement for mineral oil and for high temperature flashpoint liquids, including silicone and RTEMP. Considerable studies have been conducted to investigate heat aging performance of cellulose, electrical contact thermal stability, dielectric strength, moisture sensitivity, and cold temperature performance. A series of reports presents a summary of work that has been completed to date and examines initial customer experience with the use of natural esters in real transformers. The work contains both new transformers and retro-fills in distribution and power transformers as well as step voltage regulators and switchgear
Keywords :
design engineering; power transformer insulation; power transformer testing; transformer oil; biodegradable fluid; dielectric strength; distribution transformers; electrical contact thermal stability; high temperature flashpoint liquids; mineral oil; moisture sensitivity; natural ester fluid; natural ester seed oil; power transformers; step voltage regulators; switchgear; Aging; Biodegradable materials; Contacts; Liquids; Minerals; Petroleum; Power transformers; Resistance heating; Temperature sensors; Testing;
Conference_Titel :
Transmission and Distribution Conference and Exhibition, 2005/2006 IEEE PES
Conference_Location :
Dallas, TX
Print_ISBN :
0-7803-9194-2
DOI :
10.1109/TDC.2006.1668449
