This paper focuses on the recently published iec standard 6003421, with comparisons of its previous version iec 342, and ieee 112b. Rotating machinery etd 15electrotechnical divisionpublic. Automatic iec test automatic iec 60034 21 test bench, calculating efficiency by summation of losses with load test. The reference to iec 60034 1 shall be replaced by ss iec 60034 1. Effects of unbalanced voltages on the performance of threephase cage induction motors. Voltagefrequency limits as per iec 60034 1 voltage and frequency limits for motors are shown on figure 12. Classification of types of constructions and mounting arrangements im code iec347 for 2nd edition amendment 1 superseded see the. Low voltage industrial performance motors abb group.
Pdf comparison of ieee 112 and new iec standard 6003421. Using and referencing iec and iso standards to support. The intention is that this document is used until such time that the iec 6003421 standard is formally revised. Figure 1 international standards contribute to eliminating. For example, iec 341 is now referred to as iec 600341. This paper focuses on the recently published iec standard 60034 21, with comparisons of its previous version iec 342, and ieee 112b.
Pdf efficiency determination of converterfed induction motors. Specific requirements for synchronous generators driven by steam. 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. Identifies circuit arrangements and movement methods of the coolant. It supplements the basic requirements for rotating machines. Functional evaluation of insulating systems iec 60038, iec standard voltages. Constant losses, load losses, and residual losses, durability testing, full load performance test. Classification of types of constructions and mounting arrangements im code iec347 for 2nd edition amendment 1 superseded see the following. Attention is drawn to the possibility that some of the elements of this singapore standard may. Iec 6003423, under preparation losses of converter fed machines iec 600344, 3rd ed 200805 synchronous machine quantities iec 6003419, 1st ed 199507 specific tests for d.
Iec 6003430 standard on efficiency classes for low voltage ac motors iecen 6003430 standard was published by the international electrotechnical commission in october 2008. Classifies methods of cooling and gives a designation system for them. Classification of types of enclosures and mounting arrangements im. Headquartered in geneva, switzerland, iec standards reach over 150 countries. Nema threephase induction motors defer testing to institute of electrical and electronics engineers standard 112b and canadian standards association standard 39010, while iec motors standard for. This part of iec 60034 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.
Pdf frequency converter driven induction motor losses. Nema threephase induction motors defer testing to institute of electrical and electronics engineers standard 112b and canadian standards association standard 39010, while iec motors standard for testing is iec standard 6003421. Consolidated editions the iec is now publishing consolidated versions of its publications. Iec 6003421 standard on efficiency measurement methods for low voltage ac motors. A list of all parts of iec 60034 series, under the. Rating and performance internet archive bookreader isiec 60034 1. Iec, the international electrotechnical commission, is a nonprofit organization that develops and publishes standards concerning electrical technologies, of which a truly wide variety exists in todays modern world. This standard cancels and replaces the previous one iec 600342. The international electrotechnical commission iec is a worldwide organization for standardization comprising.
Produc tion and repair of elec trical motors technical. In the source text iec 600347 should read as 60034. International standard iec 60034 12 has been prepared by iec technical committee 2. Iec 60034 17, rotating electrical machines part 1, 7. This consolidated version of iec 60034 12 consists of the second edition 2002 documents. International standard iec 6003412 has been prepared by iec technical committee 2. Classification of types of construction, mounting arrangements and terminal box position im code. Classification of types of enclosures and mounting arrangements im code. Standard methods for determining losses and efficiency from tests excluding machines for. The standard defines efficiency classes for motors and harmonizes the currently different requirements for induction motor efficiency levels around the world. It supplements the basic requirements for rotating machines given in iec 60034 1. This standard establishes a set of limit efficiency values based on frequency, number of poles and motor power. The mea iec6003421 standard implements the following 1.
All bsi british standards available online in electronic and print formats. Description download iec 600342 free in pdf format. Using and referencing iec and iso standards to support public. This part of iec 60034 applies to threephase cylindrical rotor synchronous machines, having rated outputs of 10 mva or mw and above. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made. Efficiency classes of singlespeed, threephase, cageinduction motors iecode machines electriques tournantes partie 30. The reference to iec 600341 shall be replaced by ss iec 600341. Welkon limited voltagefrequency limits as per iec 600341. Iec shall not be held responsible for identifying any or all such patent rights. After all, two thirds of the overall industrial energy consumption arise from machines. Iec 6003421 based energy efficiency electric motor testing.
Note the bearing may be on the machine itself or be part of an assembly comprising a machine and an additional bearings. Efficiency classes of singlespeed, threephase, cageinduction motors. Iec 60034 is an international standard of the international electrotechnical commission for rotating electrical machinery part 30. Is 2223 pdf, 1983, dimensions of flange mounted ac induction motors, iec 60072. Technical note iec 6003430 standard on efficiency classes. The special requirements of machines continuously fed by inverters are not covered by this standard. The international electrotechnical commission iec has introduced a new standard iecen 6003421. This part of iec 60034 specifies the im code, a classification of types of construction, mounting arrangements and the terminal box position of rotating electrical machines. Machines within the scope of this document may also be subject. Iec reports complete automatic excel report, containing. Partial discharge free electrical insulation systems type i used in. Test report iec 603351 safety of household and similar. The use of a frequency converter sets higher demands on. Iec, the international electrotechnical commission, is a nonprofit organization that develops and publishes standards concerning electrical technologies, of which a truly wide variety exists in todays.
National policies on the use of standards to support. Iec 6003430 specifies energyefficiency classes for singlespeed. Standard methods for determining losses and efficiency from tests excluding machines for traction vehicles. The mea iec 60034 21 standard implements the following. The text of the international standard iec 60034 9. Pdf european standard concerning the determination of the rated efficiency of converterfed. Iec 6003430 specifies energyefficiency classes for singlespeed, continuous dutys1, threephase, cageinduction motors with 2, 4 or 6 poles. Supplementary specification to iec 600341 low voltage. As from 1 january 1997 all iec publications are issued with a designation in the 60000 series. Produc tion and repair of elec trical motors technical catalog. Automatic iec test automatic iec 6003421 test bench, calculating efficiency by summation of losses with load test. A published iec standard can be purchased in hardcopy and pdf from. Is 325 txt, 1996, threephase induction motors, iec 600341. Classification of types ofconstructions and mounting arrangements and terminal box position im code iso 2954, mechanical vibration of rotating and reciprocating machinery requirements for instruments for measuring vibration severity.
For example, iec 341 is now referred to as iec 60034 1. The comma has been used throughout as a decimal marker whereas in singapore standards it is a practice to use a full point on the baseline as the decimal maker. Voltage and frequency variations during operation paragraph 7. Supplementary specification to iec 600341 low voltage three phase cage induction. J increased effective output for a short period or duty type j efficiency categories ie 2, ie 3, ie 4 j optimized for the. Iec 60034 23, under preparation losses of converter fed machines iec 60034 4, 3rd ed 200805 synchronous machine quantities iec 60034 19, 1st ed 199507 specific tests for d.
This tr is a provisional standard made available for application over a period of three years. The noise level of an electrical machine is determined by measuring the sound. Standard format for iec standards electric motor systems. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. Cage induction motors when fed from converters application guide 1.