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

25、(WDr) Mild Warm Dry (MWDr) Extremely Warm Dry (EWDr) Warm Damp (WDa) Warm Damp Equable (WDaE) 4 The tropics are the zones of the earth in which during daytime, high temperatures, frequently combined with high precipitation, prevail. In these areas seasonal changes are scarcely pronounced. The tropic

26、al climate extends from Warm Damp climatic conditions in tropical rainforests at the equator to the Warm Dry Climate in the deserts near the tropics. Consequently, two types of tropical climate should be distinguished: Copyright International Electrotechnical Commission Provided by IHS under license

27、 with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6- 721-3-3 Amend. 2 O CEI:1996 - le climat tropical sec, qui est une combinaison des types de climat chaud sec, tempr chaud sec et extrmement chaud et sec, et - le climat tropical humide, qui est une combinai

28、son des types de climat chaud humide et chaud humide, constant. II y aussi des rgions o les climats, pour des raisons lies laltitude particulire, scartent beaucoup des conditions habituelles de ces latitudes, par exemple le rayonnement solaire, la pression atmosphrique ou la glace et la neige au som

29、met des montagnes. Dans beaucoup de rgions situes sous les tropiques, les conditions denvironnement sont caractrises par des conditions constantes et, dans dautres rgions, par des conditions climatiques particulirement extrmes: Conditions quilibres: - variations de temprature journalire minimale inf

30、rieures I “C et variations de temprature annuelle de 6 “C au maximum; - dures gales des priodes diurnes, comprises entre 10,5 h et 13,5 h; - intensit uniforme du rayonnement solaire; - conditions quilibres propices une faune abondante. Conditions extrmes: - prcipitations: pluie toute lanne proximit

31、de lquateur, pluie abondante pendant certaines priodes de lanne proximit des tropiques; - cyclones tropicaux en zone maritime: vitesse des vents de 30 m/s avec des pointes atteignant plus de 60 mls, par exemple les typhons dans le Pacifique ouest et les ouragans en mer des Carabes; - conditions dfav

32、orables pour les sols: rosion de lhumus et des minraux dans les zones fortes pluies; - asschement rapide des sols dans les dserts, conscutivement des tempratures leves et des vents violents; - vgtation luxuriante dans les forts humides tropicales, vgtation moins dense dans les forts montagneuses; -

33、zones herbeuses des savanes et des steppes, absence de vgtation dans les dserts. E.2 Climatogrammes 0 Les climatogrammes relatifs aux deux catgories dcrivant les conditions climatiques en zones tropicales sont donnes la figure E.l. Ils sont bass sur la valeur moyenne de valeurs extrmes annuelles de

34、la temprature et de lhumidit de lair, pour les types de climat spcifis larticle E.l ci-dessus. 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 I EC: 1996 -

35、7- - tropical dry as a combination of the Warm Dry, Mild Warm Dry and Extremely Warm Dry types of climate, and - tropical damp as a combination of the Warm Damp and Warm Damp Equable types of climate. 1 There are also regions where the climate, owing to the particular altitude, deviates considerably

36、 from the usual conditions of these latitudes, for example solar radiation and air pressure or ice and snow on mountain summits. In many areas in the tropics, environmental conditions are identified by uniform conditions and in other regions by very extreme climatic conditions: Balanced conditions:

37、- minimum daily temperature fluctuations of less than I “C and annual temperature fluctuations of maximum 6 OC; - balanced duration of daylight periods between 10,5 h and 13,5 h; - uniform intensity of solar radiation; - balanced conditions for an abundant fauna. Extreme conditions: - precipitation:

38、 rainfall the whole year round near the equator, heavy rainfall during certain periods of the year near the tropics; - tropical cyclones in sea areas: wind velocities of 30 m/s with peaks attaining more than 60 m/s, for example in typhoons in the Western Pacific and in hurricanes in the Caribbean Se

39、a; - unfavourable soil conditions: erosion of humus and minerals in areas with heavy rainfalls; - rapid drying of soil in the desert as a result of high temperatures and strong winds; - lush vegetation in tropical rain forests, less dense vegetation in mountain forests; - grass areas of savannahs an

40、d steppes, absence of vegetation in the desert. E.2 Climatograms Climatograms for the two classes describing climatic conditions in tropical areas are given in figure E.1. They are based on the mean value of annual extreme values of air temperature and humidity for the types of climate specified in

41、E.l above. Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IEC 723-3-3 94 W 4844891 0633735 9b5 -8- 721-3-3 Amend. 2 O CEI:l996 8 L .- m OC Temperature de lair Air temperature

42、 IEC 626M Figure E.l - Climatogrammes correspondant au type de climat tropical humide et au type de climat tropical sec Climatograms for tropical damp type of climate and tropical dry type of climate Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for Re

43、saleNo reproduction or networking permitted without license from IHS-,-,-Publications de la CE1 prpares par le Comit dEtudes no 75 721:- Classifi 721-1 (1990) 721-2-1 (1982) 721-2-2 (1988) 721-2-3 (1987) 721-2-4 (1987) 721-2-5 (1991) 721-2-6 (1990) 721-2-7 (1987) 721-2-8 (1994) 721-3-0 (1984) 721-3-

44、1 (1987) 721-3-2 (1985) 721-3-3 (1994) 721-3-4 (1995) 721-3-5 (1985) 721-3-6 (1987) 721-3-7 (1995) 721-3-9 (1993) cation des conditions denvironnement. Premire partie: Agents denvironnement et leurs svrits. Amendement 1 (1992). Amendement 2 (1995). Deuxime partie: Conditions denvironnement prsentes

45、dans la nature. Temprature et humidit. Modification no 1 (1987). Deuxime partie: Conditions denvironnement prsentes dans Ia nature. Prcipitations et vent. Deuxime partie: Conditions denvironnement prsentes dans la nature. Pression atmosphrique. Deuxime partie: Conditions denvironnement prsentes dans

46、 la nahire. Rayonnement solaire et temprature. Modification no 1 (1988). Partie 2: Conditions denvironnement prsentes dans la nature. Poussire, sable, brouillard salin. Deuxime partie: Conditions denvironnement pn5- sentes dans la nature. Vibrations et chocs sismiques. Deuxime partie: Conditions den

47、vironnement prsentes dans la nature. Faune et flore. Partie 2: Conditions denvironnement prsentes dans la nature. Exposition au feu. Troisime partie: Classification des groupements des agents denvironnement et de leurs svritks. Introduction. Modification no 1 (1987). Troisime patie: Classification d

48、es groupements des agents denvironnement et de leurs svrits. Stockage. Amendement no 1 (1991). Amendement 2 (1993). Troisime partie: Classification des groupements des agents denvironnement et de leurs svrits. Transport. Amendement no 1 (1991). Amendement 2 (1993). Partie 3: Classification des groupements des agents denvironnement et de leurs svrits. Secti

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