Standard IEC/IEEE 60079-30-1-ed.1.0 28.9.2015 preview

IEC/IEEE 60079-30-1-ed.1.0

Explosive atmospheres - Part 30-1: Electrical resistance trace heating - General and testing requirements



STANDARD published on 28.9.2015


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The information about the standard:

Designation standards: IEC/IEEE 60079-30-1-ed.1.0
Publication date standards: 28.9.2015
SKU: NS-616215
The number of pages: 69
Approximate weight : 207 g (0.46 lbs)
Country: International technical standard
Category: Technical standards IEC

The category - similar standards:

Electrical apparatus for explosive atmospheres

Annotation of standard text IEC/IEEE 60079-30-1-ed.1.0 :

IEC/IEEE 60079-30-1:2015 specifies general and testing requirements for electrical resistance trace heaters for application in explosive atmospheres with the exclusion of those for EPL Ga and Da. This standard covers trace heaters that comprise either factory or field (work-site) assembled units, and which may be series trace heaters, parallel trace heaters, trace heater pads, or trace heater panels that have been assembled and/or terminated in accordance with the manufacturers instructions. This standard also includes requirements for termination assemblies and control methods used with trace heating systems. The explosive atmospheres referred to in this standard are those defined in IEC 60079-10-1 and IEC 60079-10-2. Annexes D and E outline the application of this standard for those users applying the Division method of area classification. This standard supplements and modifies the general requirements of IEC 60079-0, except as indicated in Table 1 (refer to Clause 1 - Scope of the document). Where a requirement of this standard conflicts with a requirement of IEC 60079-0, the requirement of this standard takes precedence. This first edition of IEC/IEEE 60079-30-1 cancels and replaces the first edition of IEC 60079-30-1 published in 2007 and constitutes a technical revision. This edition includes the following significant changes, apart from the general revision and updating of the first edition of IEC 60079-30-1 and harmonization with IEEE Std.515, with respect to the previous edition: - the inclusion of a minimum temperature impact test; - the addition of a mechanical procedure in the thermal stability test; - the inclusion of a thermal performance test to replace the thermal safety requirements; - the inclusion of a second procedure utilizing a plate fixture for sheath temperature determination; - the inclusion of an ultraviolet and condensation test; - the revision and significant expansion of documentation requirements; - the addition of Annexes covering requirements for Divisions 1 and 2; - the addition of a table covering the applicability of requirements from IEC 60079-0; - the addition of an Annex covering trace heater product design verification methodology (formerly located in IEC 60079-30-2); - the further harmonization of this edition with several national standards. Please refer to the Foreword of the document for the significance of changes between IEC 60079-30-1, Edition 1.0 (2007) and IEC/IEEE 60079-30-1, Edition 1.0 (2015). Keywords: electric surface heating equipment used in explosive atmospheres, equipment protection levels Gb, Gc, Db, and Dc

IEC/IEEE 60079-30-1:2015 specifie les exigences generales et dessai des resistances electriques de tracage pour une application en atmospheres explosives, a lexclusion de celles pour les EPL Ga et Da. La presente norme s’applique aux resistances de tracage composees dunites assemblees en usine ou sur site (site d’exploitation) et qui peuvent etre des resistances de tracage en serie, des resistances de tracage en parallele, des bandes de tracage ou des panneaux de tracage qui ont ete assembles et/ou equipes de terminaisons conformement aux instructions du constructeur. La presente norme comprend aussi des exigences concernant les ensembles de terminaisons et les methodes de controle appliquees aux systemes de tracage. Les atmospheres explosives designees dans la presente norme sont celles definies dans lIEC 60079-10-1 et lIEC 60079-10-2. Les Annexes D et E presentent l’application de la presente norme pour les utilisateurs qui appliquent la methode de classement des emplacements par division. La presente norme complete et modifie les exigences generales de lIEC 60079-0, sauf pour ce qui est indique au Tableau 1. Lorsqu’une exigence de la presente norme est en conflit avec une exigence de lIEC 60079-0, l’exigence de la presente norme prevaut
Cette premiere edition annule et remplace la premiere edition de lIEC 60079-30-1 parue en 2007. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes, hormis la revision generale et la mise a jour de la premiere edition de lIEC 60079-30-1 et de lharmonisation avec la norme IEEE 515, par rapport a ledition precedente: • inclusion dun essai de choc a temperature minimale; • addition dune procedure mecanique dans lessai de stabilite thermique; • inclusion dun essai des performances thermiques pour remplacer les exigences de securite thermique; • inclusion dune seconde procedure utilisant un appareil a plaque pour determiner la temperature de la gaine; • inclusion dun essai aux ultraviolets et de condensation; • revision et extension significative des exigences de documentation; • addition des Annexes couvrant les exigences des divisions 1 et 2; • addition dun tableau couvrant lapplicabilite des exigences de lIEC 60079-0; • addition dune Annexe couvrant la methode de verification de la conception des resistances de tracage (auparavant abordee dans lIEC 60079-30-2); • harmonisation de la presente edition avec plusieurs normes nationales.

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