1、 81/243/RVCRESULT OF VOTING ON CDV Project number:IEC 62305-4,Ed.1 Reference number of the CDV 81/238/CDV IEC/TC or SC TC 81 Date of circulation 2004-06-04 Title of the TC or SC concerned Lightning protection Title of the committee draft:IEC 62305-4,Ed.1:Protection against lightning-Part 4:Electrica
2、l and electronic systems within structures The above-mentioned document was distributed to National Committees with a request that voting take place for approval for circulation as an FDIS(or publication as a Technical Specification or Report)Voting results see printout attached Comments received se
3、e annex 1)In the case that the approval criteria for acceptance have been met,a The committee draft for vote(CDV)will be registered as an FDIS by(date)b The draft technical report(DTR)will be published as a Technical Report The draft technical specification(DTS)will be published as a Technical Speci
4、fication by(date).DECISION OF THE CHAIRMAN(in cooperation with the secretariat),in the case that the approval criteria for acceptance have not been met c A revised committee draft for vote(CDV)will be distributed by(date).d A revised committee draft(CD)will be distributed by(date).NOTE In the case o
5、f a proposal c or d made by the chairman,P-members objecting to such a proposal shall inform the Central Office with copy to the secretary in writing within 2 months of the circulation of this compilation(see ISO/IEC Directives,Part 1,2.6.5).The comments will be discussed at the next meeting of the
6、TC/SC on(date)2004-10.Name or signature of the Secretary G.B.Lo Piparo Name or signature of the Chairman C.Bouquegneau FORM RVC(IEC)2002-03-20 1)to be collated on Form Comments and annexed.2 81/243/RVC ANNEX A Result of Voting on CDV-Document 81/238/CDV Project:IEC 62305-4 Ed.1 IEC 62305-4,Ed.1:Prot
7、ection against lightning-Part 4:Electrical and electronic systems within structures Circulation Date:2003-12-19 Closing Date:2004-05-21 Country Status Received Vote Comments Austria P 2004-05-18 N Y Belgium P 2004-03-15 Y-China P 2004-05-12 Y Y Colombia P 2004-05-21 A-Denmark P 2004-05-14 N Y France
8、 P 2004-05-13 Y Y Germany P 2004-05-13 Y Y Greece P 2004-05-20 Y-Hungary O 2004-05-17 Y-Ireland O 2004-04-05 Y-Italy P 2004-05-19 Y Y Japan P 2004-05-20 Y Y Korea(Rep.of)P 2004-05-21 Y-Luxemburg P 2004-05-21 Y-Mexico O 2004-05-21 A-Netherlands P 2004-05-19 Y Y Poland P 2004-05-21 Y Y Portugal P 2004
9、-05-21 Y-Romania O 2004-05-13 Y-Russian Fed.P 2004-05-21 Y-Serbia&Montenegro P 2004-05-17 Y-Slovenia O 2004-05-18 Y-South Africa P 2004-05-21 Y-Spain P 2004-05-21 Y-Sweden P 2004-05-18 A-Switzerland P 2004-04-13 Y-U.S.A.P 2004-05-21 Y Y United Kingdom P 2004-05-20 N Y Approval CriteriaResult P-membe
10、rs voting:21 P-members in favour:18=86%=67%APPROVED Total votes cast:25 Total against:3=12%=25%APPROVED Final Decision:APPROVED NOTES 1.Vote:Does the National Committee agree to the circulation of the draft as a FDIS:Y=In favour;N=Against;A=Abstention.2.Only votes received before the closing date ar
11、e counted in determining the decision.Late Votes:(0).3.Abstentions are not taken into account when totalizing the votes.4.P-members not voting:Australia;Norway;(2).3 81/243/RVC TC Secretarys note Comments will be considered by WG 3 at their next meeting in July 2004.The results of these discussions
12、will circulated prior to the TC 81 meeting in Seoul on 2004-10.Annex B Date Document 2004-05-26 81/238/CDV National Committee Clause/Subclause Paragraph Figure/Table Type of comment(General/Technical/Editorial)COMMENTS Proposed change OBSERVATIONS OF THE SECRETARIAT on each comment submitted AT 1 Ge
13、neral Overlapping with TC 37A and TC 64 must be clarified before the next steps(see minutes of the Joint Task Force 37A/64/81 meeting in Regensburg,February 4th,2004)Document 37A(WG 3/Regensburgh)02 AT 2 General Document seems to be too complicated for practical application CN 1 3.9 T modify the abb
14、reviation“LPM”LEMPPD or LEMPS CN 2 3.9 T modify“LEMP protection system”“LEMP protection measures”CN 3 4.1 G Add NOTE 3.NOTE 3-Internal lightning equivalent bonding shall avoid the occurrence of dangerous sparking within the structure CN 4 4.1 1.2 T Magnetic field Electromagnetic field CN 5 4.2 3 T L
15、ighting field Lightning electromagnetic field CN 6 A.2.1 8 T The wave shape of the magnetic field inside the LPZ(H1,H2)is the same as the wave shape of the magnetic field outside(H0)should be deleted CN 7 C.3.4 1/C13 T There are two-port SPD available There are integrated multi-SPD IMP available whi
16、ch CN 8 Annex A figure A.6 Technical Original:Metal cable conduit(extended LPZ0),Opinion:We know LPZ0 is subdivided into two zones:LPZ0A and LPZ0B,When we select SPD,we must consider which zone is it?Because from LPZ0A to LPZ1,we select class?tested SPD,from LPZ0B to LPZ1,we select class?tested SPD.In this figure,the metal cable conduit is located underground.So the metal cable conduit is placed in the zone that cant suffer from direct lightning strikes,and the zone must be point out LPZ0A or LP
