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IEC 60034-14-ed.4.0
Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
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STANDARD published on 17.8.2018
The information about the standard:
Designation standards: IEC 60034-14-ed.4.0
Publication date standards: 17.8.2018
SKU: NS-858578
The number of pages: 37
Approximate weight : 111 g (0.24 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60034-14-ed.4.0 :
IEC 60034-14:2018 is now available as IEC 60034-14:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60034-14:2018 specifies the factory acceptance vibration test procedures and vibration limits for certain electrical machines under specified conditions, when uncoupled from any load or prime mover. It is applicable to DC and three-phase AC machines, with shaft heights 56 mm and higher and a rated output up to 50 MW, at operational speeds from 120 min–1 up to and including 15 000 min–1. This new edition includes the following significant technical changes with respect to the previous edition: - Improved explanation of the definition “free suspensionâ€. - Addition of an alternative method of rigid mount - Definition of an improved option for shaft key. IEC 60034-14:2018 est disponible sous forme de IEC 60034-14:2018 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis ledition precedente. L’IEC 60034-14:2018 specifie les procedures dessai d’acceptation de vibration en usine et les limites de vibration pour certaines machines electriques, dans des conditions specifiees, sans etre couplees a une charge ou a une machine entrainee. Elle est applicable aux machines a courant continu et aux machines triphasees a courant alternatif de hauteur daxe superieure ou egale a 56 mm et de puissance assignee inferieure ou egale a 50 MW, a des vitesses de fonctionnement de 120 min–1 jusqua et y compris 15 000 min–1. Cette nouvelle edition inclue les modifications techniques majeures suivantes par rapport a l’edition precedente: - Meilleure explication de la definition «suspension libre». - Ajout d’une methode alternative de montage rigide. - Definition d’option amelioree pour les clavettes d’arbre.
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