Standard format for iec standards learning from motor. It can extend all the way, to a four letter, four number code. Pdf comparison of ieee 112 and new iec standard 6003421. International standard iec 600341 iec webstore mafiadoc. Iec 600341 classifies the temperature rise limits of insulation materials and specifies the maximum permissible temperatures that the various classes of insulation materials could withstand. The current revision process of iec 6003421 is a welcome development and it is hoped that this guidance document can help inform the redrafting process. For example, iec 34 1 is now referred to as iec 60034 1. This new edition contains a number of clarifications, corrections and enhancements with regard to the previous edition. Is applicable to all rotating electrical machines except those covered by other iec standards for example, iec 60349.
Iec 6003421 standard on efficiency measurement methods for low voltage ac motors the international electrotechnical commission iec has introduced a revised edition 2. The standard defines efficiency classes for motors and harmonizes the currently different requirements for induction motor efficiency levels around the world. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format. Wherever in this standard there is reference to an agreement, it shall be understood that this is an agreement between the manufacturer and the purchaser. International standard iec 600342 1 has been prepared by iec technical committee 2. Voltage and frequency variations during operation paragraph 7. Iec 6003430 standard on efficiency classes for low voltage ac motors iecen 6003430 standard was published by the international electrotechnical commission in october 2008. Iec 60034 1 2010 rating and performance under revision, publication 2014 iec 60034 2 1 2007 standard methods for determining losses and efficiency from tests excluding machines for traction vehicles under revision, publication 2014 iec 60034 22 2010 specific methods for determining separate losses of large machines from tests. Rating and performance, and has been varied as indicated to take account of australian conditions.
This document is available in either paper or pdf format. This part of iec 60034 specifies the parameters for eight designs of starting performance of singlespeed threephase 50 hz or 60 hz cage induction motors in accordance with iec 600341 that. Welkon limited zone a zone b rated point zone a zone b. Iec 60034301 standard on efficiency classes for low voltage. The temperature rise of the induction machine is the permissible increase in temperature, above this maximum ambient, to allow for the losses in the motor. A 15% discount of the total catalogue price is included. This consolidated version of iec 600341 is based on the tenth edition 1996 documents 2933fdis and 2969rvd, its amendment 1 1997 documents 2956fdis and 2984rvd. To facilitate these processes, crossreferences both ways are listed in annex b. This work has now been taken over by the iea efficient electrical enduse equipment 4e. Standard methods for determining losses and efficiency from tests excluding machines for traction vehicles. International standard iec 60034 1 has been prepared by iec technical committee 2.
Supplementary specification to iec 600341 low voltage. This paper focuses on the recently published iec standard 60034 2 1, with comparisons of its previous version iec 342, and ieee 112b. Technical note iec 60034301 standard on efficiency classes for low voltage ac motors. Functional evaluation of insulating systems iec 60038, iec standard voltages iec 60050411.
Pdf technical note iec 60034301 standard on efficiency. Supplementary specification to iec 600341 low voltage three phase cage induction motors this specification is written as an overlay to iec 600341, following the clause structure of the parent standard, to assist in crossreferencing the requirements. This part of iec 60034 is applicable to all rotating electrical machines except those covered by other iec standards, for example, iec 60349. Rating and performance machines electriques tournantes partie 1.
Iec 600341 2010 rating and performance under revision, publication 2014 iec 6003421 2007 standard methods for determining losses and efficiency from tests excluding machines for traction vehicles under revision, publication 2014 iec 6003422 2010 specific methods for determining separate losses of large machines from tests. This eleventh edition cancels and replaces the tenth edition published in 1996, its amendments 1 1997 and 2 1999. Welkon limited voltagefrequency limits as per iec 600341. As from 1 january 1997 all iec publications are issued with a designation in the 60000 series. Machines within the scope of this standard may also be subject to superseding, modifying or additional requirements in other iec standards. Iec shall not be held responsible for identifying any or all such patent rights. Iec 600341 insulation class and temperature rise avsld. Consolidated editions the iec is now publishing consolidated versions of its publications. Iec 60034301 standard on efficiency classes for low voltage ac. Technical note iec 6003430 standard on efficiency classes. The text of the international standard iec 60034 9. Machines within the scope of this document may also be subject to superseding, modifying or additional requirements in other.
International standard iec 60034 1 has been prepared iec technical committee 2. Starting performance of singlespeed threephase cage induction motors this international standard specifies the parameters for four designs of starting performance of singlespeed threephase 50 hz or 60 hz cage induction motors in accordance with iec 600341 that. Machines within the scope of this document may also be subject to superseding, modifying or additional requirements in. Iec 60034301 standard on efficiency classes for low voltage ac motors standard iecen 60034301 on efficiency classes of line operated ac motors was published by the international electro technical commission iec on march 6, 2014. This consolidated version of iec 60034 1 is based on the tenth edition 1996 documents 2933fdis and 2969rvd, its amendment 1 1997 documents 2956fdis and 2984rvd. This standard establishes a set of limit efficiency values based on frequency, number of poles and motor power. International standard iec 600341 has been prepared iec technical committee 2. Technical note iec 60034 30 1 standard on efficiency classes for low voltage ac motors. Supplementary specification to iec 600341 low voltage three. This iec standard is concerned with the global harmonization of energy efficiency classes for electric motors.
The current revision process of iec 60034 2 1 is a welcome development and it is hoped that this guidance document can help inform the redrafting process. Voltagefrequency limits as per iec 600341 voltage and frequency limits for motors are shown on figure 12. Tc2 cross reference table for standards on rotating machinery for information. Where clauses from the parent standard iec 600341 are not covered in this. Machines within the scope of this standard may also be subject to superseding, modifying or additional requirements. Iec 6003421 standard on efficiency measurement methods. Rating and performance is classified in these ics categories. Ul 600341 standard for rotating electrical machines part. Where clauses from the parent standard iec 60034 1 are not. For example, iec 341 is now referred to as iec 600341. Supplementary specification to iec 60034 1 low voltage three phase cage induction motors this specification is written as an overlay to iec 60034 1, following the clause structure of the parent standard, to assist in crossreferencing the requirements. This standard is an adoption with national modifications and has been reproduced from iec 600341, ed.
The standard defines four ie international efficiency efficiency classes for single speed electric motors that are rated according to iec 600341 or iec 600790. Iec 6003421 standard on efficiency measurement methods for. This paper focuses on the recently published iec standard 6003421, with comparisons of its previous version iec 342, and ieee 112b. Where clauses from the parent standard iec 600341 are not. Reference guide low voltage motors basics of iec motors. This part of iec 60034 is applicable to all rotating electrical machines except those covered by other iec standards, for example, iec 60349 10. Under specified measuring conditions in accordance with iec 600341 standard, insulation class f for an electric motor means that at ambient temperature of. The code covers nearly every known cooling method, including those for very large liquidcooled motors. Breite hohe atbstandard mindestlangen nach mm mm mm. International standard iec 600341 has been prepared by iec technical committee 2. Foreword 1 the international electrotechnical commission iec is a worldwide organization for standardization comprising all national electrotechnical committees iec national committees. Machines within the scope of this document may also be subject to superseding, modifying or additional requirements in other standards, for example, iec 60079 and iec 60092.