Symbols for quantities to be used for rotating electrical machines iec 600342, rotating electrical machines part 2. International standard iec 60034 9 has been prepared by iec technical committee 2. New edition of iec 6003421 published in compliance magazine. A list of all parts of the iec 60034 series, published under the general title rotating electrical machines, can be found on. Foreword 1 the international electrotechnical commission iec is a worldwide organization for standardization comprising all national electrotechnical committees iec national committees. Standard methods for determining losses and efficiency from tests excluding machines for traction vehicles iec 60034301. Specifies requirements relating to the use of thermal protectors and thermal detectors incorporated into the stator windings or placed in other suitable positions in induction machines in order to protect them against serious damage due to thermal overloads. Iec 60034142018 rem part 14 mechanical vibration of certain. Specific requirements for synchronous generators driven by steam turbines or combustion gas turbines. Technical note iec 6003430 standard on efficiency classes. Methods for determining losses iec 600346 rotating electrical machines part 6. This second edition cancels and replaces the edition of iecfirst 60034 2 1, issued in 2007, as well as iec 60034 2a, issued in 1974. A list of all parts of the iec 60034 series, published under the general title rotating electrical machines, can be found on the iec website.
Methods of cooling ic code en 600346 1993 2 iects 6003417 1 part 17. Mechanical vibration of certain machines with shaft heights 56 mm and. Iec 600271, letter symbols to be used in eectrica technology parf f. Standard methods for determining losses and efficiency from tests excluding machines for traction vehicles iec 60034 2 1.
A new edition of iec 6003421 has been published by the international electrotechnical committee. The efficiency levels defined in iec 60034 30 are based on test methods specified in iec 60034 2 1. Iec 6003421 applies to rotating electrical machines part 21. Terminal markings and direction of rotation number of. Cage induction motors when fed from converters application guide clcts. This edition includes the following significant technical changes. Iec 6003430 specifies energyefficiency classes for singlespeed, continuous dutys1, threephase, cageinduction motors with 2, 4 or 6 poles. Compared with the old iec standard from 2008, which defined three efficiency values for. Pdf comparison of ieee 112 and new iec standard 6003421. The efficiency levels defined in iec 6003430 are based on test methods specified in iec 6003421. Iec shall not be held responsible for identifying any or all such patent rights. Specific test methods for determining losses and efficiency of converterfed ac induction motors iec 600346, rotating electrical machines part. This publication has been drafted in accordance with the isoiec directives, part 2.
For example, iec 341 is now referred to as iec 600341. This part of iec 60044 applies to new inductive voltage transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 hz to 100 hz. 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. Jun 27, 2014 a new edition of iec 6003421 has been published by the international electrotechnical committee. Energy efficiency classes for iec motors menzel elektromotoren. Iec 60034302 energy efficiency classification of variable speed motors as a component. Efficiency classes of variable speed ac motors iecode sponsored link download between 024 hours released. Iec 6003430 specifies energyefficiency classes for singlespeed. Rating and performance iec 600342 rotating electrical machines part 2x. The methods with iec 60034 2 1 determine efficiency values more accurately than the methods previously used. Standard methods for determining losses and efficiency from tests excluding machines for traction vehicles iec 60034 301. During mepsa discussions on the iec 6003421 test method standard, it emerged. Supplementary specification to iec 60034 1 low voltage three phase cage induction motors page 6 of 23 s703 september 2019 1 scope add new subclause 1.
Efficiency classes of variable speed ac motors iecode iec 60079 all parts, explosive atmospheres iec 60423. International standard iec 6003412 has been prepared by iec technical committee 2. International standard iec 60034 2 1 has been prepared by iec technical committee 2. Starting performance of singlespeed threephase cage induction motors this part of iec 60034 specifies the parameters for eight designs of starting performance of. Iec 60034 is an international standard of the international electrotechnical commission for rotating electrical machinery part 30. Specifies requirements relating to the use of thermal protectors and thermal detectors incorporated into the. Iec 60034301 standard on efficiency classes for low voltage. After all, two thirds of the overall industrial energy consumption arise from machines.
Technical note iec 60034301 standard on efficiency classes for low voltage ac motors. International standard iec 60034 12 has been prepared by iec technical committee 2. This publication has been drafted in accordance with the iso iec directives, part 2. Rotating electrical machines, can be found on the iec website. A list of all parts of the iec 60034 series, published under the general title.
The iec 6003421 loss segregation method 211b is similar to the corresponding ieee 11233method b, and these methods are widely used and investigated12, 34 38. International standard iec 600349 has been prepared by iec technical committee 2. Premium efficiency ie3 high efficiency ie2 standard efficiency ie1. The intention is that this document is used until such time that the iec 6003421 standard is formally revised. Although this standard relates basically to transformers with separate windings, it is also applicable, where appropriate, to autotransformers. Iec 6003421 standard on efficiency measurement methods for low voltage ac motors the international electrotechnical commission iec has introduced a revised edition 2. Iects 6003423, rotating electrical machines part 23. Cage induction motors when fed from converters application guide clcts 60034 17 2004 2 iso 3741 1 acoustics determination of sound power levels of noise sources using sound pressure precision methods for.
International standard iec 600342 1 has been prepared by iec technical committee 2. This iec standard is concerned with the global harmonization of energy efficiency classes for electric motors. Technical note iec 60034 301 standard on efficiency classes for low voltage ac motors. The ac induction motor is then part of a variable frequency power drive system pds as defined in iec 618002, iec 618004 or iects 618008.
Pdf assessment of induction machine efficiency with comments. The methods with iec 6003421 determine efficiency values. The new standard iec 60034301 was published in march 2014, replacing its predecessor iec 6003430 from 2008. Methods for determining losses and efficiency of rotating electrical machinery. The current revision process of iec 6003421 is a welcome development and it is hoped that this. Terminal markings and direction of rotation number of amendments. Rating and performance iec 60034 2 rotating electrical machines part 2 x. Supplementary specification to iec 600341 low voltage. Methods of cooling iec 60034 7 rotating electrical machines part 7. Starting performance of singlespeed threephase cage induction motors 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. 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. Supplementary specification to iec 600341 low voltage three. Iec 6003421 standard on efficiency measurement methods for.
This consolidated version of iec 60034 12 consists of the second edition 2002 documents 2 1187fdis and 2 1199rvd and its amendment 1 2007 documents 2 1433fdis and 2 1446rvd. These methods apply when fullload testing is not practical and result in a greater uncertainty. Online partial discharge measurements on the stator winding insulation of rotating electrical machines. Methods of cooling ic code en 60034 6 1993 2 iec ts 60034 17 1 part 17. Pdf technical note iec 60034301 standard on efficiency. Methods for determining synchronous machine quantities from tests.
This consolidated version of iec 6003412 consists of the second edition 2002. Iec 6003421 standard on efficiency measurement methods. As from 1 january 1997 all iec publications are issued with a designation in the 60000 series. Note a table of crossreferences of all iec tc 2 publications can be found in the iec tc 2 dashboard on the iec website. Genera iec 600274, letter symbols to be used in electrical technology part 4. The intention is that this document is used until such time that the iec. Methods for determining losses iec 60034 6 rotating electrical machines part 6. Standard methods for determining losses and efficiency from tests excluding machines for traction vehicles iec 6003421. Pdf the paper assesses the efficiency of induction machines and measurement uncertainties. Efficiency classes of line operated ac motors ie code electric motors.
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