THE EFFECTS OF STEEP-FRONT, SHORT-DURATION IMPULSES ON POWER DISTRIBUTION COMPONENTS

被引:13
|
作者
MILLER, DB [1 ]
LUX, AE [1 ]
GRZYBOWSKI, S [1 ]
BARNES, PR [1 ]
机构
[1] OAK RIDGE NATL LAB,DIV ENERGY,OAK RIDGE,TN 37831
关键词
D O I
10.1109/61.53073
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A line type pulser has been developed to test the effects of steep-front, short duration (SFSD) pulses on distribution components. Risetime is 50–100 ns, and pulse duration is on the order of 300 ns. Terminators often shattered or punctured rather than flashing over. Insulator flashover voltage is approximately 1.5 times CFO for standard lightning impulses. Arresters exhibit an inductive character, with SFSD peak voltage at 10 kA approximately 4–5 times the 8×20 microsecond 10 kA discharge voltage. Polyethylene insulated cable has a characteristic degradation in which failure voltage decreases with number of SFSD pulses. © 1990 IEEE
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页码:708 / 715
页数:8
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