The purpose of this ballot is to expand the scope of the standard to include photovoltaic (PV) inverters and updates sections 9 and 11.
05878: Approval of 457i4r1 - Scope expansion and updates (part 3)
Document (Archive)
2019-06-12
NSF 457 Issue Paper #1 9.1.1 VRs (RSinha).pdf
Document
2019-05-21
NSF 457 Issue Paper #3 - 9.1.1 PBrodyHeine.pdf
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