1339   SIML DO from Buchholz relay

Created: 19 Dec 2014

Status: In Force (green)

Part: Part 7-4 (2010; Edition 2)

Links: #1294 Description of SIML.GasInsAlm reg. Buchholz

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Clause:

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Category: Issue for edition 2 of this part

Issue

Regarding tissue # 1294:
In additional discussions within editor group it has been recognized that the already available SIML data GasInsAlm, GasInsTr, GasFlwTr shall be used for signal from Buchholz relay (not "may be used for Buchholz alarm/trip"). Unfortunately the description in edition 1 and 2 for these DO were not correct. So we suggest to withdraw the decision from tissue #1294 and propose a new description for GasInsAlm, GasInsTr, GasFlwTr.

Proposal

GasInsAlm - If true, volume of fault gas generation in Buchholz relay reached alarm level
GasInsTr - If true, volume of fault gas generation in Buchholz relay reached trip level
GasFlwTr - If true, flow of liquid in Buchholz relay reached trip level

Discussion Created Status
change to green 09 Feb 15 In Force (green)
No comments, status has been changed to "final proposal" 08 Jan 15 Ballot Period
Will be changed for revision 2.1 of part 7-4 19 Dec 14 Discussion (red)

 

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