• The main contents and aims of lightning stroke assessment are discussed.

    雷击风险评估主要内容目的进行了探讨。

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  • Lightning stroke fault may cause power interruption and over-voltage due to lightning stroke may do harm to electronic apparatus.

    雷击故障能够造成电力中断,雷击产生的过电压对用户微电子设备造成损害

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  • In this paper the model of wind turbines is established and the transient overvoltage caused by lightning stroke is calculated and analyzed.

    该文建立了相关风电机组模型雷击引起暂态过电压进行计算分析。

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  • The improvement anti-lightning stroke measure was proved by the variation of lightning trip-out rate and the tower-drainage of lightning current.

    根据雷击跳闸变化雷电流在杆塔中的分流情况,说明改进防雷措施

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  • The calculated synthetic indexes of forest combustibility are 395 and 423, that build a fire for lightning stroke according with practical situation;

    计算森林可燃性综合指标395、423,表明应雷击起火实际情况相符。

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  • Analysis from theory of lightning stroke shows that conventional measures for prevention of lightning cannot improve the level of lightning prevention of OPGW.

    雷击理论分析常规防雷措施不能提高OPGW的抗雷击水平的。

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  • Result: Electric spark burn could be treated as ordinary burn. Lightning stroke needs early treatment including debridement and skin grafting to cover the wound, etc.

    结果单纯电火花烧伤治疗一般烧伤相同,电击伤多为早期清创植皮覆盖创面

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  • For the circular lightning stroke ratio of high towers and poles the electrical geometric model analysis and calculation are recommended with consideration of influence of tile Angle.

    杆塔建议采用电气几何模型分析计算,并考虑倾斜角影响。

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  • The sensitivity of the proposed protection scheme is not impacted by the factors such as transition resistance, lightning stroke, fault type, load current and operating mode of power system.

    保护方案灵敏度过渡电阻雷击故障类型负荷电流系统运行方式因素的影响。

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  • It results in a series of accidents such as natural gas pipeline leakage, equipment burning caused by lightning stroke, which brings about great loss to industrial production and people's life.

    因金属腐蚀而导致一系列事故天然气管道泄露雷击烧毁设备等,工业生产人们日常生活带来巨大的损失

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  • Study on transient characteristics of overhead transmission lines due to direct lightning stroke is significant to the development of transient based protection and its reliability improvement.

    研究和识别输电线路直击特征研制基于暂态量的保护提高可靠性都具有十分重要的意义。

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  • Lightning stroke is one of the important reasons that result in power failure. Tower lightning surge response performance is the important factor deciding transmission line lightning over-voltage.

    雷击导致输电线路故障重要原因之一杆塔雷电冲击响应特性决定输电线路雷电过电压重要因素

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  • 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.

    引起高压输电线路雷击故障主要因素雷电绕击,建议特高压输电线路采用保护运行。

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  • The lightning branches out in many different directions, causing one leader to make a connection with the ground, creating a bright return stroke.

    闪电许多不同方向长出分叉激发了一个先导地面连接制造了次闪亮的回击。

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  • With the transmission line model of the lightning return stroke, the approximate expressions of the adjacent field of lightning electromagnetic pulse are obtained.

    采用雷电回击电流传输线模型得到了雷电电磁脉冲近场近似

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  • That is plain; for his sword lay beside him, twisted and untempered as if by lightning-stroke.

    很明显的,因为就在身边,像是闪电击中了,扭曲变形。

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  • This paper introduces the design idea of Lightning Direction Finder and lightning return stroke models. The technique of accurate orientation as well as its realization is discussed.

    介绍雷电方向探测设计思想回击模型,讨论了地闪的精确定向技术及其实现,给出了雷电方向探测仪的主要技术性能和参数。

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  • So establishing the lightning-stroke-protective-system of the mobile communication tower is very important for the safe and reliable operation of the communication network.

    建立移动通信铁塔雷击防御系统,整个通信网络安全可靠运行有着重要意义。简述雷击的形式特性,提出了移动通信铁塔的防雷与接地措施。

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  • The Lightning was designed for top performance with all the exciting feature of the Storm PLUS more power stroke and additional engineering required to get to the next level of performance.

    闪电顶级性能所有激动人心特点,更高的箭速高精度射击的要求才能进入一级的性能。

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  • A question of the assumed channel height is represented and the reasonable reasons are given. The conclusion is useful for calculating the lightning return-stroke electromagnetic fields in the future.

    指出国外文献计算回击电磁场时选取通道高度方面存在问题作出了合理解释。

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  • A question of the assumed channel height is represented and the reasonable reasons are given. The conclusion is useful for calculating the lightning return-stroke electromagnetic fields in the future.

    指出国外文献计算回击电磁场时选取通道高度方面存在问题作出了合理解释。

    youdao

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