negative shielding angle
... 非直击雷频度 indirect lightning flash frequency 负保护角 negative shielding angle 高雷区 high thunderstorm region ...
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负角保护针 negative angle protective pin
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引起特高压输电线路雷击故障的主要因素是雷电绕击,建议特高压输电线路采用负保护角运行。
The principal cause of lightning stroke failures occurred in UHV transmission lines is the shielding failure, so it is suggested to adopt the negative protecting Angle for UHVDC transmission lines.
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