摘要
分析了避雷器在电力系统中的作用及它的基本特征。针对氧化锌避雷器的三个最重要的参数:额定电压、持续运行电压和雷电波残压,给出了不同使用场合的避雷器的技术参数及选用原则。正确选择氧化锌避雷器,确保电力系统安全经济运行。
Analysis was made on the functionality and its basic features of arresters in power system. Aiming at three most important parameters of zinc oxide arrester： rated voltage, continuous running voltage and lightning wave residual voltage, technical parameters and selecting principle are given for arresters used in different sites so as to select correct zinc oxide assester, ensuring power system in safe and economic operation.
关键词
额定电压
持续运行电压
雷电波残压
rated voltage
continuous running voltage
lightning wave residual voltage
