从IEC、IEEE、GB等标准看配电类金属氧化物避雷器的技术发展

Technical Development of Distribution Metal Oxide Arresters Based on IEC,IEEE,GB Standards

结合IEC60099-4、IEEE Std C62.11和GB/T 11032等标准历年版本相关内容的修订情况,对配电类金属氧化物避雷器(metal-oxide surge arresters,以下简称MOA)的技术发展进行了综述。从相关标准中关于配电类MOA的电气负荷联合作用试验(动作负载试验)程序的角度从发,梳理了相关技术要求和试验方法的变化历程,并结合配电类MOA的实际运行工况,对3类标准进行分析比较。IEC、IEEE标准对MOA的各种电气负荷联合作用的试验处理的方法和总体思路基本一致,但在试验程序和技术细节上有差异。当前IEC、IEEE有效版本都是采用8/20雷电冲击电流波形对配电类MOA注入能量或电荷量,符合配电类MOA的实际工作状况。GB/T 11032正在修订,希望能够有更多我国在配电类MOA中的科研成果和运行经验写入其中,推动配网MOA的技术发展。

The technical development of metal-oxide surge arresters(MOA)in power distribution,combining the revision of IEC 60099-4,IEEE Std C62.11 and GB/T 11032 has been discussed in the paper.From the perspective of the program of electrical load combined action test(operating duty test)of power distribution MOA in related standards,the change history of relevant technical requirements and test methods is summarized,and the three types of standards are analyzed and compared based on the actual operating conditions of power distribution MOA.IEC and IEEE standards have basically the same method and general idea for the test treatment of the combined action of various electrical loads of MOA,but there are differences in test procedures and technical details.Currently,effective versions of IEC and IEEE adopt 8/20 lightning impulse current waveform to inject energy or charge amount to distribution MOA,which is in line with the actual working conditions of distribution MOA.GB/T 11032 is being revised,and it is hoped that more scientific research results and operational experience of China power distribution MOA can be written into it to promote the technical development of distribution network MOA.