SIST EN 60079-6:2016/A1:2025

SLOVENSKI STANDARD
SIST EN 60079-6:2016/oprA1:2018
01-oktober-2018
(NVSOR]LYQHDWPRVIHUHGHO=DãþLWDRSUHPHVSRWRSLWYLMRYROMHR
Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
Explosionsgefährdete Bereiche - Teil 6: Geräteschutz durch Flüssigkeitskapselung "o"
Atmosphères explosives - Partie 6: Protection du matériel par immersion dans le liquide
"o"
Ta slovenski standard je istoveten z: EN 60079-6:2015/prA1:2018
ICS:
29.260.20 (OHNWULþQLDSDUDWL]D Electrical apparatus for
HNVSOR]LYQDR]UDþMD explosive atmospheres
SIST EN 60079-6:2016/oprA1:2018 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

SIST EN 60079-6:2016/oprA1:2018

SIST EN 60079-6:2016/oprA1:2018
31/1389/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60079-6/AMD1 ED4
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2018-07-20 2018-10-12
SUPERSEDES DOCUMENTS:
31/1352/CD,31/1367A/CC
IEC TC 31 : EQUIPMENT FOR EXPLOSIVE ATMOSPHERES
SECRETARIAT: SECRETARY:
United Kingdom Mr Mick Maghar
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft
for Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of
which they are aware and to provide supporting documentation.

TITLE:
Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"

PROPOSED STABILITY DATE: 2025
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

SIST EN 60079-6:2016/oprA1:2018
31/1389/CDV – 2 – IEC CDV 60079-6  IEC:2018
1 INTERNATIONAL ELECTROTECHNICAL COMMISSION
2 ____________
4 EXPLOSIVE ATMOPHERES –
6 Part 6: Equipment protection liquid immersion “o”
7 Annex D
10 FOREWORD
11 This amendment has been prepared by IEC technical committee 31 Equipment for explosive
12 atmospheres.
13 The text of this International Standard is based on the following documents:
FDIS Report on voting
XX/XX/FDIS XX/XX/RVD
15 Full information on the voting for the approval of this International Standard can be found in
16 the report on voting indicated in the above table.
17 The committee has decided that the contents of this document will remain unchanged until the
18 stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
19 the specific document. At this date, the document will be
20 • reconfirmed,
21 • withdrawn,
22 • replaced by a revised edition, or
23 • amended.
25 The National Committees are requested to note that for this document the stability date
26 is 20xx.
27 THIS TEXT IS INCLUDED FOR THE INFORMATION OF THE NATIONAL COMMITTEES AND WILL BE
28 DELETED AT THE PUBLICATION STAGE.
SIST EN 60079-6:2016/oprA1:2018
IEC CDV 60079-6  IEC:2018 – 3 – 31/1389/CDV
45 Clause 1
47 Insert additional text after Para 4
48 Additionally, for the Level of Protection “oc” (EPL “Gc”) the requirements of Annex D applies
49 where the rated voltage exceeds 15 kV AC or DC and up to 245 kV AC or DC
RMS RMS
50 The Annex D applies specifically to liquid immersed transformers and reactors, and other
51 liquid immersed equipment such as swivels for off-shore platforms, power regulators, tap
52 changers and earthing/switching resistors.
53 Delete the Note
54 “Requirements for higher voltages are under consideration”
56 Insert new Annex D after Annex C

SIST EN 60079-6:2016/oprA1:2018
31/1389/CDV – 4 – IEC CDV 60079-6  IEC:2018
57 Annex D
58 (normative)
60 Supplementary requirements for Electrical Equipment with Level of
61 Protection “oc” for voltages greater than 15 kV and up to including 245 kV
62 D.1 General
63 The Annex D supplements and modifies the requirements of this standard.  Clause 4.3, 4.4
64 and 4.6 do not apply to equipment covered by this Annex D.
65 The voltage of explosion protected electrical equipment is limited for the type of protection
66 “oc” up to 15 kV rms. A.C. or D.C. Application of higher voltages exists to supply offshore
67 plants that are a long distance from the coast. Voltage levels up to 245 kV AC or DC are
RMS
68 needed to allow power transmission up to some hundred kilometres from shore to offshore or
69 between locations on shore/offshore. This Annex can be applied to liquid immersed
70 transformers, reactors, power regulators, tap changers and other liquid immersed HV
71 Electrical Equipment without dedicated IEC standards such as Oil-immersed Swivel for HV
72 Connections, Oil-immersed Earthing Resistors and Oil-immersed Switching Resistors.
73 D.2 Additional Normative References
74 The following documents are referred to in the text in such a way that some or all of their
75 content constitutes requirements of this document. For dated references, only the edition
76 cited applies. For undated references, the latest edition of the referenced document (including
77 any amendments) applies.
78 IEC 60076 (all parts), Power Transformers including Reactors
79 IEC 60079-1, Explosive Atmospheres, Part 1: Equipment protection by flameproof enclosure
80 “d”
81 IEC 60079-2, Explosive Atmospheres, Part 2: Equipment protection by pressurized enclosure
82 “p”
...