Ieee xplore 4320 ieee recommended practice for testing insulation resistance of electric machinery ieee standard. Ieee standards association with collaborative thought leaders in more than 160 countries, ieee sa is a leading consensusbuilding organization that enables the creation and expansion of international markets, and helps protect health and public safety. Contained within this document is the general theory of insulation resistance ir and polarization index p. Ieee std 1122004 revision of ieee std 1121996 112tm ieee standard test procedure for polyphase induction motors and generators 3 park avenue, new york, ny 100165997, usa ieee power engineering society sponsored by the electric machinery committee 4 november 2004 print. Ieee std 43 2000 revision of ieee std 43 1974 ieee recommended practice for testing insulation resistance of rotating machinery sponsor electric machinery c ommittee of the ieee power engineering society approved 6 march 2000 ieee sa standards board abstract. Ieee std 1422007 revision of ieee std 1421991 ieee. Standards subscriptions from ansi provides a moneysaving, multiuser solution for accessing standards. Ieee device numbers in the design of electrical power systems, the ieee device numbers identify features of a protective device such as relay or circuit breaker. Whats new in the ieee 43 insulation resistance testing standard. Ieee 43 20 ieee recommended practice for testing insulation resistance of electric machinery. Isbn 0738119253 ss94806 no part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without the prior written per mission of the publisher. Permission is hereby granted for ieee standards committee participants to reproduce this document for. The existence of an ieee standard does not imply that there are no other ways to produce, test, measure, purchase, market, or provide other goods and services related to.
Ieee guide p524 to the installation of overhead transmission. This time interval is based on the r resistivel inductivec geometric capacitiveand absorptive characteristics of the ieer during charging time of the application of the voltage and discharging elapsed time since the removal of the voltage source and subsequent grounding of the winding under test. Standard for acceptance testing specifications for electrical. It recommends minimum acceptable values of insulation resistance for ac and dc rotating machine windings. This introduction is not part of ieee std 43 2000, ieee recommended practice for testing insulation resistance of rotating machinery. Standard details it applies to synchronous machines, induction machines, dc machines, and synchronous condensers. Aemc instruments 0 5 10 15 20 external contaminants reference. There may be changes revs but pretty standard for rotating equipment and cables.
The importance behind the addition of annex d in ieee. Ieee recommended practice for testing insulation resistance of electric machinery ieee 43 20the dc voltage tests procedures for the measurement of the insulation resistance and polarization index of insulated stator, and rotor windings and how to. Ieee std 1122004, ieee standard test procedure for polyphase. The existence of an ieee standard does not imply that there are no other ways to produce, test, measure, purchase, market, or provide other goods and services related to the scope of. Ieee standard 431974 29 acceptance criterion for insulation for rotating equipment ir is equal to or greater than 1 megohm plus rated equipment kv. Browse related products from ieee ieee by technical committee power and energy electric machinery ieee by ics code 29. Furthermore, the viewpoint expressed at the time a standard is approved and. Contained within this document is the general theory of insulation resistance ir and polarization. This current is usually ieew if the motor is new or undamaged. Ieee recommended practice for testing insulation resistance.
History of ieee standard 4 roots go back to the earliest standardization report of the american institute of electrical engineers aiee in 1889 first version of standard 4 as a separate hv test and measurement standard was published by aiee in 1928 present 20 version is the eighth edition as a separate standard. Mar 14, 2016 the standard that we generally reference within industry is the ieee 43, which went through a major revision in may, 2000. This document describes the recommended procedure for measuring insulation resistance of armature and field windings in rotating machines rated 1 hp, 750 w or greater. Other ieee standards that include information on insulation resistance measurement are listed in clause 2. Easa senior technical support specialist the institute of electrical and electronics engineers ieee standard for insulation resistance testing of motor and generator windings that was published in 2002 has been revised. A guide to diagnostic insulation testing above 1 kv. Device numbers are used to identify functions of devices shown on a schematic diagram. Ieee xplore, delivering full text access to the worlds highest quality technical literature in engineering and technology. Power transformer factory test using ieee standards waldemar ziomek cg power systems canada ieee training, houston, texas, oct. The ieee recommended practice for testing insulation resistance of rotating machinery, std 432000, emphasizes the need for upgrading current. Ieee standard 4320 ieee standard 4320 pdf ieee standard 524 ieee standard 2421986 ansiieee standard 80 ieee standard 81 fallofpotential grounding test iec 61. First version of standard 4 as a separate hv test and measurement standard was published by aiee in 1928 present 20 version is the eighth edition as a separate standard the two most recent preceding versions were published in 1995 and 1978 respectively an amendment ieee std 4a was published in 2001, re.
Introduction the standard that all of us have lived by for insulation resistance testing was reissued in may, 2000. This was done to accommodate the many changes and observations in insulation chemistry and combinations over the past decades. The standards working group behind the present edition of ieee std 43 made significant changes in the overall standard, including modifications to temperature normalization to 40c. This document describes the recommended procedure for measuring insulation. Members support ieees mission to advance technology for humanity and the profession, while memberships build a platform to introduce careers in technology to students around the world. Ieee 4320 ieee recommended practice for testing insulation resistance of electric machinery. The first change in the new document is a slight change in the title. When the ieee sa standards board approved a revision of ieee standard 43 1974 by the electric machinery committee of the ieee power engineering society, the document became ieee standard 43 2000, the ieee recommended practice for testing insulation resistance of rotating machinery. Ieee std 43 2000 revision of ieee std 43 1974 ieee recommended practice for testing insulation resistance. In march 2000, the ieeesa standards board approved a revision to ieee std 431974. Members support ieee s mission to advance technology for humanity and the profession, while memberships build a platform to introduce careers in technology to students around the world. The purpose of insulation resistance ir reading is to evaluate the condition. Ieee p56 draft guide for insulation maintenance of electric machines prepared by the p56 working group of the materials subcommittee of the electric machinery committee this is an unapproved draft of a proposed ieee standard, subject to change. Isbn 9780738190068 stdpd98587 ieee prohibits discrimination, harassment, and bullying.
Standard ieee recommended practice for testing insulation. Ieee recommended practice for testing insulation resistance of electric machinery redline abstract. Easa senior technical support specialist the institute of electrical and electronics engineers ieee standard for insulation resistance testing. Practice for testing current are present during a standard insulation test, the determination of the 31 jul 2018 ieee 43 2 for dc, and tan.
Power transformer factory test using ieee standards. Ansiieee std 811983 revision of ieee std 811962 an. Ieee recommended practice for testing insulation resistance of electric machinery. Ieee xplore 43 20 ieee recommended practice for testing insulation resistance of electric machinery ieee standard. Megger a guide to insulation testing above 1 kv datasheet pdf.
Introduction the standard that all of us have lived by for insulation resistance testing was reissued in. When the ieeesa standards board approved a revision of ieee standard 431974 by the electric machinery committee of the ieee power engineering society, the document became ieee standard 432000, the ieee recommended practice for testing insulation resistance of rotating machinery this revision underscores the need for upgrading current practices to. Find standards, standards in development, learn about the standards development lifecycle, and much more. Ieee standard general requirements for liquidimmersed, distribution, power and regulating transformers. Ieee std 432000 revision of ieee std 431974 ieee recommended practice for. Experience with stator insulation testing iris power. Ieee membership offers access to technical innovation, cuttingedge information, networking opportunities, and exclusive member benefits. This article will discuss each of the changes referencing directly to ieee std. Ieee std p432000 revision of ieee std 43 2000 ieee recommended practice for testing insulation resistance of rotating machinery may 2008 draft sponsor electric machinery committee of the ieee power engineering society reaffirmed 2006 march 2000 ieee sa standards board. The ieee recommended practice for testing insulation resistance of. The standards working group behind the present edition of ieee std 43 made significant changes in the overall standard, including. With this in mind, an impedance based test impedance includes resistance, inductance, capacitance and frequency compared to other test results such as resistance and inductance, could be used as the ac test. The types of insulation used in rotating machines have continued to evolve and precipitate changes to insulation resistance testing since 1974 when ieee std.
Ieee standards documents are developed within the ieee societies and the standards coordinating com. This has been done to accommodate recognition of the base standard in a family of standards. The importance behind the addition of annex d in ieee standard. The following sections of the ansineta standard for acceptance testing specifications for.
Users will often go directly to a hipot ieee modern types of filmcoated wire, as well as epoxymica or polyestermica insulated stator windings, may approach a ieee value of insulation resistance in 4 min or less. Whats new in the ieee 43 insulation resistance testing. Ieee std 1122004, ieee standard test procedure for. Ieee std p432000 revision of ieee std 432000 ieee recommended practice for testing insulation resistance of rotating machinery may 2008 draft sponsor electric machinery committee of the ieee power engineering society reaffirmed 2006 march 2000 ieeesa standards board. A standard ir test could be used to accomplish the dc test. Sep 19, 2018 the ieee 43 2000 recommendation on recommended. Aemc instruments in addition to sudden insulation faults due to exceptional events such as flooding, factors liable to reduce insulation performance are combined when the installation is started up, sometimes amplifying one another. Othere ieee standards that include information on insulation. Documents sold on the ansi webstore are in electronic adobe acrobat pdf format, however some iso and iec standards are available from amazon in hard copy format.
It applies to synchronous machines, induction machines, dc machines, and synchronous condensers. Section 7 of the ansineta standard for acceptance testing specifications for electrical power equipment and systems may be reproduced and used on a cut and paste basis for the particular type of equipment to be tested. It was updated because post 1970 insulation systems went through a series of changes in their chemical makeup. The purpose of this recommended practice is to a define insulation resistance and polarization index testing of the winding of a rotating machine. This standard is also available to be included in standards subscriptions. Testing the insulation resistance of rotating machinery. Ieee standard 43 20 ieee standard 43 20 pdf ieee standard 524 ieee standard 2421986 ansi ieee standard 80 ieee standard 81 fallofpotential grounding test iec 61.
Revision of ieee std 43 2000 ieee recommended practice for testing insulation resistance of rotating machinery may 2008 draft sponsor electric machinery committee of the ieee power engineering society reaffirmed 2006 march 2000 ieee sa standards board abstract. Mar 06, 2014 ieee xplore, delivering full text access to the worlds highest quality technical literature in engineering and technology. Ieee std 432000 revision of ieee std 431974 ieee recommended practice for testing insulation resistance of rotating machinery sponsor electric machinery c ommittee of the ieee power engineering society approved 6 march 2000 ieeesa standards board abstract. The ieee disclaims liability for any personal injury, property or other damage, of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance upon this, or any other ieee standard document. The existence of an ieee standard does not imply that there are no other ways to produce, test, measure, purchase, market, or provide other goods and services related to the scope of the ieee standard. Ieee recommended practice for testing insulation resistance of electric machinery ieee 4320the dc voltage tests procedures for the measurement of the insulation resistance and polarization index of insulated stator, and rotor windings and how to. Ieee standard for the testing, design, installation, and. Formwound coils made after 1970 should have a minimum insulation resistance of 100 megohms. The ieee recommends revisions in the practice for testing insulation resistance of rotating machinery due to the several changes that have been made to the types of insulation used in rotating machines. Megger testing procedures ieee electrical code issues. This introduction is not part of ieee std 432000, ieee recommended practice for testing insulation resistance of.
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