IEC 60721-3-3-1994 Classification of environmental conditions - Part 3 Classification of groups of environmental parameters and their severities section 3 Stati.pdf
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1、 IEC 723-3-3 94 m 48448913 Ob33929 725 m NORME INTERNATIONALE INTERNATIONAL STANDARD CE1 IEC 721 13-3 1994 AMENDEMENT 2 AMENDMENT 2 1996-1 1 Amendement 2 Classification des conditions denvironnement - Partie 3: Classification des groupements des agents denvironnement et de leurs svrits - Section 3:
2、Utilisation poste fixe, protg contre les intempries Amendment 2 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities Section 3: Stationary use at weatherprotected locations O CE1 1996 Droits de reproduction rservs - Copyright
3、- all rights reserved Bureau central de la Commission Electrotechnique Internationale 3, rue de Varemb Genve, Suisse D Commission Electrotechnique Internationale CODE PRIX International Electrotechnical Commission PRICE CODE MeHIVHWAHR fl0HlpOTeXHHCR HOMHCCHR Pour prix, voir catalogue en vigueur For
4、 price, see current catalogue Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- IEC 721-3-3 94 4444891 Ob33330 447 FDIS 75/279/FDIS -2- Rapport de vote 75i289lRVD 721-3-3 Amend
5、. 2 O CEI:I996 n) Prcipitations entranes par le vent (pluie, neige, grle, etc.) o) Eau dautre origine que la pluie p) Formation de glace AVANT-PROPOS Aucune oui oui Aucune 6) 6) Aucune Non oui b Le prsent amendement a t tabli par le comit dtudes 75 de la CEI: Classification des conditions denvironne
6、ment. Le rapport de vote indiqu dans le tableau ci-dessus donne toute information sur le vote ayant abouti a lapprobation de cet amendement. Page 14 5.1 Conditions climatiques Ajouter, aprs le premier alina, le nouvel alin suivant: Les conditions climatiques en zones tropicales, telles quelles sont
7、spcifies dans les catgories 3K9 et 3K10, sont expliques lannexe E. Page 18 , Tableau 1 - Classification des conditions climatiques Ajouter les colonnes 3K9 et 3K7O (les colonnes Agent denvironnement et Unit sont rptes pour information uniquement): . Agent denvironnement Ajouter la note 8: 8) Dautres
8、 informations sur les catgories 3K9 (tropical humide) et 3K10 (tropical sec) sont donnes it lannexe E. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-721-3-3 Amend. 2 O IEC:1
9、996 -3- FDIS 75i279iFDIS FOREWORD Report on voting 75/289/RVD This amendment has been prepared by IEC technical committee 75: Classification of environ- mental conditions. I Unit Class .3K9 I 3K1 O Full information on the voting for the approval of this amendment can be found in the report on voting
10、 indicated in the above table. b) High air temperature 5, c) Low relative humidity dl Hiah relative humidity Page 15 “C +40 +55 % 30 4 % I O0 1 O0 5.1 Climatic conditions f) High absolute humidity al Rate of chanae of tenmerature ) Add, after the first paragraph, the following new paragraph: gim3 36
11、 27 Cimin 1 ,o 1 ,o Climatic conditions in tropical areas as specified in classes 3K9 and 3K10 are explained in annex E. h) Low air pressure 7, i) Hiah air Dressure 2, Page 19 kPa 70 70 kPa 106 106 Table 1 - Classification of climatic conditions j) Solar radiation Add columns 3K9 and 3K10 as follows
12、 (columns “Environmental parameter” and “Unit“ are repeated for information only): Wim2 1120 1120 Environmental parameter k) Heat radiation I None I 6) 6) a) Low air temperature I “C I +5 I -20 I) Movement of surrounding air 4, m) Condensation n) Wind-driven precipitation (rain, snow, hail. etc. mls
13、 5,O 5, 5,O 5, None Yes Yes None Yes Yes e) Low absolute humidity I aim3 I 6 I 0,9 o) Water from sources other than rain I None I 6) I 6) p) Formation of ice I None I No I Yes Add note 8: 8) Further information on classes 3K9 (tropical damp) and 3K10 (tropical dry) is given in annex E. Copyright Int
14、ernational Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - - IEC 721-3-3 94 4844893 0633932 ZIT = -4- 721-3-3 Amend. 2 O CEI:I996 Page 30 A.2.1 K Conditions climatiques Les nouvelles catgories 3K9
15、 et 3K10 seront ajoutes dans le tableau lors dune future rvision. Page 50 A.3.1 K Conditions climatiques Ajouter, la page 52, la description suivante des nouvelles catgories, aprs la description des catgories 3K6, 3K7 et 3K8: 3K9 La catgorie 3K9 reprsente les conditions couvertes par des types de cl
16、imat lair libre chaud humide et chaud humide, constant (type de climat tropical humide, dans des zones ayant des forts tropicales humides). 3K10 La catgorie 3K10 reprsente les conditions couvertes par les types de climat lair libre chaud sec, tempr chaud sec, et extrmement chaud et sec (type de clim
17、at tropical sec, dans des zones situes proximit des tropiques, tels que les dserts). Page 78 Ajouter la nouvelle annexe E suivante: Annexe E (informative) Explications concernant les conditions denvironnement en zones tropicales telles quelles sont spcifies pour les catgories 3K9 et 3K10 E.l Gnralit
18、s Les tropiques sont des zones comprises entre les tropiques Nord et Sud (entre 23” 27 sud et 23” 27 nord). En zones tropicales, les types suivants de climat lair libre, tels quils sont spcifis dans la CE1 721-2-1, sappliquent: chaud sec (WDr) tempr chaud sec (MWDr) extrmement chaud et sec (EWDr) ch
19、aud humide (WDa) chaud humide, constant (WDaE) Les tropiques sont les zones terrestres o, dans la journe, prdominent des tempratures leves, frquemment combines avec de fortes prcipitations. Dans ces zones les variations saisonnires sont rarement marques. Le climat tropical varie depuis des condition
20、s climatiques humides et chaudes pour les forts humides tropicales de lquateur jusquaux climats secs et chauds des dserts, proximit des tropiques. Par consquent, il convient de distinguer deux types de climat tropical: Copyright International Electrotechnical Commission Provided by IHS under license
21、 with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- IEC 723-3-3 94 m 4844893 Ob33933 156 721-3-3 Amend. 2 O IEC:1996 -5- Page 31 A.2.1 K Climatic conditions The new classes 3K9 and 3K10 will be inserted in the table in a future revision. Page 51 * A.3.1 K Cli
22、matic conditions Add, on page 53, the following descriptions of new classes, after the descriptions of classes 3K6, 3K7 and 3K8: 3K9 Class 3K9 represents the conditions covered by the Warm Damp and Warm Damp Equable types of Open-Air Climate (tropical damp type of climate, in areas with tropical rai
23、nforests). 3K10 Class 3K10 represents the conditions covered by the Warm Dry, Mild Warm Dry and Extremely Warm Dry types of Open-Air Climate (tropical dry type of climate, in areas near the tropics such as deserts). Page 79 Add the following new annex E: Annex E (informative) Explanation of the envi
24、ronmental conditions in tropical areas as specified in classes 3K9 and 3KlO E.1 General The tropics are the areas within the Northern and Southern tropics (between 23“ 27 south and 23“ 27 north). In tropical areas the following types of Open-air Climate, as specified in IEC 721-2-1, apply: Warm Dry
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