At present, there is a joint IEC/IEEE WG on a new line surge arrester standard that covers both non-gapped (NGLAs) and externally gapped line arresters (EGLAs). ![]() While a WG task force was created initially to address this issue, it was soon realized that the IEEE/IEC Dual Logo process could apply and that process was initiated. For example, mechanical tests applicable to this type of arrester are not covered in C62.11 and only partially in 60099-4 and -8. To that end, there will soon be an IEEE standard whereby most major laboratory tests will be useable to produce both IEC and IEEE certified test reports.Ī second goal when this process began was to create a set of tests that applied to transmission line arresters. It was therefore decided to move ahead with informal harmonization by developing similar, though not identical, test methods that could be adopted by both standards bodies as part of their normal cycles and organizations. Unfortunately, the formal methods available to using the IEEE/IEC Dual Logo standards development process for two existing standards did not offer a reasonable path toward harmonization. Although it was hoped to have this completed by the end of 2018, it soon became clear that complete harmonization of these standards was not going to be possible. The goal of an IEEE Working Group (WG) meeting in May 2013 was to revise C62.11 and continue evolution of this standard toward rationale-based tests that better align with IEC standard 60099-4. Listen to Online Lecture on Harmonizing IEC and IEEE Arrester Standards by Jonathan Woodworth Background
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