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IEC and IEEE Standards for High-Voltage Switchgear and ...tc17.iec.ch/pdf_files/Keynote address_Dufournet_SWICON 2008.pdf· PDF fileConcerning high-voltage switchgear, IEC SC17A asked CIGRE SC A3 to set up a new working group to study technical requirements for UHV equipment. CIGRE WG A3-22 has started its work in January 2007, a final report is expected end of 2008. Similar work is done for UHV with D.C.
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