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International standard norme internationale 8

This is a preview - click here to buy the full publication INTERNATIONAL STANDARD IEC - - Edition - NORME INTERNATIONALE Rotating electrical machines ?? Part - E ?ciency classes of line operated AC motors IE code Machines électriques tournantes ?? Partie - Classes de rendement pour les moteurs à courant alternatif alimentés par le réseau code IE INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS PRICE CODE CODE PRIX T ISBN - - - - Warning Make sure that you obtained this publication from an authorized distributor Attention Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale CThis is a preview - click here to buy the full publication ?? ?? IEC - - ? IEC CONTENTS FOREW ORD INTRODUCTION Scope Normative references Terms de ?nitions and symbols Terms and de ?nitions Symbols Fields of application E ?ciency Determination General Rated voltages rated frequencies and rated power Auxiliary devices Rating Classi ?cation and marking General E ?ciency classi ?cation Motors below IE e ?ciency Marking Nominal limits for e ?ciency classes IE IE IE and IE Nominal e ?ciency limits for IE Nominal e ?ciency limits for IE Nominal e ?ciency limits for IE Nominal e ?ciency limits for IE Interpolation of nominal e ?ciency limits of intermediate rated powers for Hz mains supply frequency Interpolation of nominal e ?ciency limits of intermediate rated powers for Hz mains supply frequency Annex A informative Nominal limits for e ?ciency class IE Bibliography Table ?? Motor technologies and their energy-e ?ciency potential Table ?? IE-E ?ciency classi ?cation Table ?? Nominal e ?ciency limits for Hz IE Table ?? Nominal e ?ciency limits for Hz IE Table ?? Nominal e ?ciency limits for Hz IE Table ?? Nominal e ?ciency limits for Hz IE Table ?? Nominal e ?ciency limits for Hz IE Table ?? Nominal e ?ciency limits for Hz IE Table ?? Nominal e ?ciency limits for Hz IE Table ?? Nominal e ?ciency limits for Hz IE Table ?? Interpolation coe ?cients for kW up to kW Table ?? Interpolation coe ?cients for kW up to kW CThis is a preview - click here to buy the full publication IEC - - ? IEC ?? ?? INTERNATIONAL ELECTROTECHNICAL COMMISSION ROTATING ELECTRICAL MACHINES ?? Part - E ?ciency classes of line operated AC motors IE code FOREWORD The International Electrotechnical Commission IEC is a worldwide organization for standardization comprising all national electrotechnical committees IEC National Committees The object of IEC is to promote international co- operation on all questions concerning standardization in the electrical and electronic ?elds To this end and in addition to other activities IEC publishes International Standards Technical Speci ?cations Technical Reports Publicly Available Speci ?cations PAS and Guides hereafter referred to as ??IEC Publication s ? Their preparation is entrusted to technical committees any IEC National Committee interested in the subject dealt with may participate in this preparatory