573   LN TRTN.Spd

Created: 15 Oct 2007

Status: Ballot Period

Part: Part 7-410 (2007; Hydro Power)

Links:

Page:

Clause: 7.10.13

Paragraph:

Category: Issue for edition 2 of this part

Issue

Spd is explained as “Rotational speed [r/s]” but it is unclear whether this means radians per second or rotations por second

Proposal

Clarify as “[Rotations per second]”

Discussion Created Status
That SI unit is already included in IEC 61850-7-3, Ed 2 CD as unit 53 22 Oct 07 Ballot Period
The correct SI unit is per second (s-1) 22 Oct 07 Triage

 

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