U.S.-Italy Cooperative Research: Lightning Models and Lightning-Induced Voltages on Power Lines

该奖项将与罗马大学的卡洛·马泽蒂教授和意大利博洛尼亚大学的卡洛·努奇教授合作，支持佛罗里达大学的马丁·乌曼教授。研究人员打算开发尽可能好的雷电回击模型，用来计算电力线上的雷电感应电压；并在给定回击模型的电场和磁场的情况下，测试和改进现有的电力线耦合模型，以得出最佳模型。由于敏感固态电子器件在电力和通信线路的控制和调节系统中的大量扩散，附近雷击引起的感应电压问题日益引起人们的关注。在这项工作中，来自附近自然闪电和(通过火箭触发的)人工引发闪电的电力线电压和相关电场和磁场的实验数据将构成数据库的大部分。这项合作将涉及与瑞士研究人员合作进行的理论研究，将补充佛罗里达大学进行的实验和理论研究。

This award will support Professor Martin Uman of the University of Florida in collaboration with Professor Carlo Mazzetti of the University of Rome and Professor Carlo Nucci of the University of Bologna, Italy. The investigators intend to develop the best possible lightning return-stroke model with which to calculate lightning-induced voltages on power lines; and to test and improve, given the electric and magnetic fields from the return- stroke model, the available power line coupling models in order to arrive at an optimum one. Due to the large diffusion of sensitive solid state electronic devices in control and regulation systems of power and telecom- munications lines, the problem of induced voltages by nearby lightning strokes is of increasing concern. In this work, experimental data on lightning-induced power line voltages and associated electric and magnetic fields from nearby natural lightning and from artificially initiated lightning (via rocket triggering), will form the bulk of the data base. The collabora- tion, which will involve theoretical studies done in cooperation with Swiss researchers, will complement both experimental and theoretical research performed at the University of Florida.