The Overvoltage protector¡¯s Application and Development
LI Jin-peng1£¬GUO Si-jun2
( 1.Huainan United College.Huainan 232001,China; 2.Wuhu KEYE electric Co.,LTD. Wuhu 241009,China)
[Abstract] With the extensively using of vacuum breaker and the enlarging scale of electric fence time after time, the destruction from inside overvoltage of the middle voltage electric power system to electric equipment is going more and more severe. So combinatorial overvoltage protector has been used widely. This paper analyzes the fundamental principles and the characteristic parameters of all kinds of overvoltage prectors,then,it approaches their all-sideness and reliability as well as self-safety£®
[Key words] overvoltage lighting arrester zinc oxide interspace
1¡¢ ÒýÑÔ
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The basic principle of combinatorial overvoltage protector
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