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IEC 60172-ed.5.0
Test procedure for the determination of the temperature index of enamelled and tape wrapped winding wires
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STANDARD published on 23.11.2020
The information about the standard:
Designation standards: IEC 60172-ed.5.0
Publication date standards: 23.11.2020
SKU: NS-1011320
The number of pages: 49
Approximate weight : 147 g (0.32 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60172-ed.5.0 :
IEC 60172:2020 specifies, in accordance with the provisions of IEC 60216-1, a method for evaluating the temperature index of enamelled wire, varnished or unvarnished with an impregnating agent, and of tape wrapped round and rectangular wire, in air at atmospheric pressure by periodically monitoring changes in response to AC proof voltage tests. This procedure does not apply to fibre-insulated wire or wire covered with tapes containing inorganic fibres. NOTE The data obtained according to this test procedure provide the designer and development engineer with information for the selection of winding wire for further evaluation of insulation systems and equipment tests. This fifth edition cancels and replaces the fourth edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - revision of 3.1, definition of thermal index; - revision of 3.3, time to failure; - revisions to 5.1.1 for clarity and to reduce the range wire size range to which the test applies; - revisions to 5.1.2 for tape wrapped round and enamelled or tape wrapped rectangular wire for clarity; - revision to Clause 9 to add the correlation coefficient, r to the report. LIEC 60172:2020 specifie, conformement aux dispositions de l’IEC 60216-1, une methode pour l’evaluation de lindice de temperature du fil emaille, impregne ou non impregne avec un materiau d’impregnation, et du fil de section circulaire ou rectangulaire, enveloppe de ruban, dans l’air a la pression atmospherique, en controlant periodiquement les variations de reponse aux essais de tension depreuve en courant alternatif. Cette methode ne concerne pas le fil avec revetement fibreux ou le fil recouvert de rubans contenant des fibres non organiques. NOTE Les donnees obtenues au moyen de cette methode dessai fournissent a lingenieur detude et de developpement les informations pour selectionner le fil de bobinage et obtenir une meilleure evaluation des systemes isolants et des essais dequipement. Cette cinquieme edition annule et remplace la quatrieme edition parue en 2015. Cette edition constitue une revision technique. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: - revision du 3.1, definition d’indice thermique; - revision du 3.3, duree de fonctionnement avant defaillance; - revisions du 5.1.1 a des fins de clarification et pour limiter la plage des dimensions de fils a laquelle l’essai s’applique; - revisions a des fins de clarification du 5.1.2 relatif au fil de section circulaire enveloppe dun ruban et au fil de section rectangulaire emaille ou enveloppe dun ruban; - revision de l’Article 9 afin d’ajouter le coefficient de correlation, r au rapport.
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