256 MMXU and rms values

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Proposer: Christoph Brunner , UTInnovation

Page: 55

Clause: 5.10.7

Paragraph:

Category: Issue for edition 2 of this part

Issue: In MMXU, there is no statement regarding A, PhV and PPV, that they are representing rms values. In MMXN, this is stated.

Proposal: Add explanation that these values represent RMS values

Discussion	Created	Status ?	Ballot until	Editor
Ballot time expired. Set to green	14 May 06	green		ABB Klaus-Peter Brand
Editor phone conference, December 9, 2005: Values of MMXU of CDC WYE/DEL can have two meanings: - with angle present they are phasors and the attribute mag represents the maximum value of the sinusoidal waveform - with angle not present, they should represent rms values. This needs to be defined in 7-3. See new TISSUE 270 / Part 7-3	09 Dec 05	final proposal	20.1.06	Editors Group
No, the semantical meaning is not changed (phase values at the same time), however the pragmatic as indicated already in the definition of WYE/DEL and Vector! Else these definitions have to be changed.	02 Dec 05	red		ABB Wolfgang Wimmer
What would it be, if angles are used? Does this mean, that the semantical menaing of the data in an MMXU changes, based on the attributes present?	21 Nov 05	red		UTInnovation Christoph Brunner
as far as I understood, these are WYE / DEL CDCs in MMXU, which can be based on vectors also - so it is only RMS in case that there is no angle used. This could already be defined in 7-3, because it is inherent to the CDC definition! For MMXN, which uses MV instead of vectors, this is different.	18 Nov 05	red		ABB Wolfgang Wimmer