避雷器避雷器型号避雷器系统持续Zui小Zui大残压（峰值）电流冲击耐受使用额定电压标称电压运行电压参考电压(u1ma)maxresidual volt kv(crest)current withstand场所typekvkvkv（峰值）陡波雷电操作冲击电流下2000微秒方波电流a（峰值）8/20微秒冲击电流4/10微秒冲击电流scope（有效值）（有效值）（有效值）reference冲击电流冲击电流下30/60μs2000μs8/20μskamoacontinuouscontinuousvaltage下8/20μsswitchings（峰值）ratedoperatingoperatingat1ma1/5μsnominalcurrentwavewave4/10μsvaltagevaltagevaltagenominalcurrentdownlightningcurrentdownwavedownkvrmskvrmskvrmskvcrestkvcrestkvcrestkvcrestacrestkacrestkacrest电站y5wz-7.6/277.66414.4312723300565stationy5wz-10/2710815y5wz-12.7/4512.7106.62451.84538.3(z)y5wz-17/451713.625