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Surge arresters for Ultra High Voltage transmission system - a review

机译:超高压传输系统的避雷器-评论

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Extensive research on the Ultra High Voltage (UHV) Technology has been carried out in countries like Italy, United States of America, Russia (the former USSR), Japan, and China. In this paper features of the UHV systems developed by various utilities are discussed. Insulation Coordination studies are essential to compute the overvoltages on the system equipment and to decide on protection measures. This paper provides the insulation levels of system equipment and rating of the surge arresters considered by various utilities for UHV Transmission. The comparison with the protection levels of the arresters shows that the improved system protection against lightning and switching surges is attainable using certain schemes. The research outcomes of the UHV projects carried out by utilities may be helpful for the development of international UHV transmission technology.
机译:在意大利,美国,俄罗斯(前苏联),日本和中国等国家/地区已对超高压(UHV)技术进行了广泛的研究。本文讨论了各种公用事业公司开发的特高压系统的功能。绝缘配合研究对于计算系统设备上的过电压并确定保护措施至关重要。本文提供了系统设备的绝缘等级,以及各种公用事业公司为特高压输电所考虑的避雷器的等级。与避雷器的保护等级的比较表明,使用某些方案可以实现更好的系统防雷击和开关浪涌保护。公用事业公司进行的特高压项目的研究成果可能有助于国际特高压输电技术的发展。

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