AN IMPROVED NONINDUCTIVE IMPULSE VOLTAGE MEASUREMENT TECHNIQUE FOR ZNO SURGE ARRESTERS

被引:12
|
作者
HADDAD, A
NAYLOR, P
METWALLY, IA
GERMAN, DM
WATERS, RT
机构
[1] Electrical Division, Cardiff School of Engineering, University of Wales College of Cardiff, Cardiff
关键词
ZNO SURGE ARRESTERS; FAST TRANSIENTS; IMPULSE VOLTAGE MEASUREMENT; LIGHTNING; OVERVOLTAGE PROTECTION; VOLTAGE DIVIDERS;
D O I
10.1109/61.400853
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
One of the most important parameters of the protective performance of ZnO surge arresters is the residual voltage. in laboratory tests on standard arresters, a thin ZnO disc with a central hole is used in order to pick up the voltage, and a system with a double shielding technique reduces outside effects. Comparative tests of voltage signals from this series divider with those from a conventional parallel connected divider show that inductive overshoot is avoided.
引用
收藏
页码:778 / 785
页数:8
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