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000000407 037__ $$aENY-ARTICLE-2012-320
000000407 041__ $$aeng
000000407 100__ $$aChrzan, K L$$uWroclaw University of Technology
000000407 245__ $$aPollution flashover of long rod insulators with different profiles.
000000407 260__ $$c2012-04-17
000000407 300__ $$a4p
000000407 500__ $$a13th Int. Symposium on High Voltage Engineering ISH, Delft, Netherlands 2003
000000407 520__ $$aPollution test of four long rod insulators with different shapes were carried out according to flow on, salt fog and solid layer methods. The following porcelain insulators were investigated: a standard type insulator VKL75/14 with 14 sheds, an insulator with 15 stepped sheds LPZS 75/15, an insulator with alternating sheds LPZ 75/37W, and a screw type insulator LPS 75/11. During tests the flashover voltage, leakage currents, layer conductivity, salinity of water spray or salt deposit density were measured. The discharge activity and dry band pattern on insulators were observed. The flashover voltage (FOV) of insulator with stepped sheds according to salt fog and solid layer method was higher than the FOV of insulator with alternating sheds in spite that the leakage distance of insulator LPZ75/37W was longer. On the other hands the FOV of screw insulator was lowest due to the formation of single dry band at the upper flange.
000000407 6531_ $$aalternating sheds
000000407 6531_ $$aspiral insulator
000000407 6531_ $$astepped sheds
000000407 700__ $$aVokalek, J$$uEGU HV Lab. Prague, Czech Republic
000000407 700__ $$aSklenicka, V$$uFGH Mannheim, Germany
000000407 700__ $$aPetrusch, W$$uMunich University of Technology, Germany
000000407 700__ $$aKindersberger, J$$uWroclaw University of Technology
000000407 8560_ $$
000000407 8564_ $$u$$zAccess to Fulltext
000000407 909CO $$$$pglobal
000000407 980__ $$aARTICLE