IEC_60092-301-1980_amd1-1994_scan.pdf

IECNORMEINTERNATIONALEINTERNATIONALSTAN DARDCEIIEC92-3011980AMENDEMENT 1AMENDMENT 11994-05Amendement 1Installations lectriques bord des naviresPartie 301:Matriel Gnratrices et moteursAmendment 1Electrical installations in shipsPart 301:Equipment Generators and motors CEI 1994 Droits de reproduction rservs Copyright all rights reservedBureau Central de la Commission Electrotechnique Internationale 3,rue de Varemb Genve,SuisseCommission Electrotechnique InternationaleInternational Electrotechnical CommissionMeninyHapoAHan 3neKTpoTexHw ecKas+HOMHCCKA?CODE PRIXPRICE CODEPour prix,voir catalogue en vigueurFor price,see current catalogueBLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DISRapport de vote18(BC)54818(BC)547 2?92-301 amend.1 CEI:1994AVANT-PROPOSLe prsent amendement a t tabli par le comit dtudes 18 de la CEI:Installationslectriques des navires et des units mobiles et fixes en mer.Le texte de cet amendement est issu des documents suivants:Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le voteayant abouti lapprobation de cet amendement.Page 2010 Moteurs dentranementRemplacer le paragraphe 10.3 par ce qui suit:10.3 Caractristiques relatives la rgulation de la vitesseLes rgulateurs de vitesse des moteurs dentranement doivent tre tels quils main-tiennent automatiquement la vitesse,avec un cart transitoire ne dpassant pas 10%etun cart continu ne dpassant pas 5%,lorsque la charge assigne est brusquementdclenche et lorsque les 50%de la charge sont brusquement enclenchs,suivis aprsun court intervalle par les 50%restants de la charge,moins que dautres valeurs devariation brusque de la charge ne soient spcifies.On peut considrer lenclenchement des charges en fractions de valeurs diffrentes decelles indiques ci-dessus pour atteindre la valeur de 100%de la valeur assigne.Pourtant,lapplication de la charge en plus de deux fractions ne doit tre permise que siles dispositions des circuits principaux du navire autorisent lusage des moteursdentranement ne pouvant prendre la charge quen plus de deux fractions et pour autantque ceci a t prvu au niveau de la conception.Chaque moteur dentranement doit tre muni dun dclencheur de survitesse fonctionnantpour une vitesse ne dpassant pas les 15%de la vitesse assigne et possdant undclenchement manuel.Quand les gnratrices entranes doivent fonctionner en parallle,les caractristiquesdu rgulateur doivent tre conformes aux prescriptions des 5.2 et 6.2.NOTES1?Voir aussi ISO 8528-5:1993,Groupes lectrognes courant alternatif entrans par moteurs alternatifs combustion interne.Partie 5:Groupes lectrognes.2?En ce qui concerne les gnratrices de secours,voir aussi 6.4 et 6.5 de la CEI 92-201.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.DISReport on voting18(CO)54818(CO)54792-301 Amend.1 IEC:1994?-3-FOREWORDThis amendment has been prepared by IEC technical committee 18:Electrical installationsof ships and of mobile and fixed offshore units.The text of this amendment is based on the following documents:Full information on the voting for the approval of this amendment can be found in thereport on voting indicated in the above table.Page 2110 Prime-moversReplace subclause 10.3 by the following:10.3 Governing characteristicsGovernors on prime-movers shall be such that they will automatically maintain the speedwithin a transient variation of 10%and a steady-state variation not exceeding 5%whenrated load is suddenly thrown off and when 50%load is suddenly thrown on,followedafter a short instant by the remaining 50%load,unless other sudden load changes arespecified.Consideration may be given to the throwing on of loads in portions of which the valuesdiffer from those stated above in order to reach the 100%rated load condition.However,application of the load in more than two steps shall be permitted only if theconditions within the ships mains permit the use of such prime-movers which can beloaded in more than two load steps only and provided that this has already been allowedfor at the design stage.Each prime-mover shall be fitted with an emergency overspeed device which will operateat a speed not more than 15%above rated speed and has provision for tripping by hand.Where the driven generators are required to operate in parallel,the governor charac-teristics shall comply with the requirements of 5.2 and 6.2.NOTES1 See also ISO 8528-5:1993,Reciprocating internal combustion engine driven alternating current generat-ing sets.Part 5:Generating sets.2 For emergency generators,see also 6.4 and 6.5 of IEC 92-201.LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.ICS 47.020.60Typeset and printed by the IEC Central OfficeGENEVA,SWITZERLANDLICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.