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. The importance behind the addition of annex d in ieee. 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. This introduction is not part of ieee std 432000, ieee recommended practice for testing insulation resistance of. 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. This introduction is not part of ieee std 43 2000, ieee recommended practice for testing insulation resistance of rotating machinery. Standards subscriptions from ansi provides a moneysaving, multiuser solution for accessing standards. 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. Testing the insulation resistance of rotating machinery. 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. 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. Ieee std 1122004, ieee standard test procedure for polyphase. Ieee 4320 ieee recommended practice for testing insulation resistance of electric machinery.
Contained within this document is the general theory of insulation resistance ir and polarization. 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. Ieee std 43 2000 revision of ieee std 43 1974 ieee recommended practice for testing insulation resistance. 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. In march 2000, the ieeesa standards board approved a revision to ieee std 431974. It was updated because post 1970 insulation systems went through a series of changes in their chemical makeup. Aemc instruments 0 5 10 15 20 external contaminants reference. This document describes the recommended procedure for measuring insulation.
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. The types of insulation used in rotating machines have continued to evolve and precipitate changes to insulation resistance testing since 1974 when ieee std. 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. The standards working group behind the present edition of ieee std 43 made significant changes in the overall standard, including. 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. Ieee std 1422007 revision of ieee std 1421991 ieee. Furthermore, the viewpoint expressed at the time a standard is approved and issued is subject to change. Other ieee standards that include information on insulation resistance measurement are listed in clause 2. Whats new in the ieee 43 insulation resistance testing. This has been done to accommodate recognition of the base standard in a family of standards. The purpose of insulation resistance ir reading is to evaluate the condition.
Contained within this document is the general theory of insulation resistance ir and polarization index p. Introduction the standard that all of us have lived by for insulation resistance testing was reissued in may, 2000. Power transformer factory test using ieee standards waldemar ziomek cg power systems canada ieee training, houston, texas, oct. 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. There may be changes revs but pretty standard for rotating equipment and cables. 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. 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. 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.
Standard for acceptance testing specifications for electrical. Ieee guide p524 to the installation of overhead transmission. 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. 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. Ieee xplore, delivering full text access to the worlds highest quality technical literature in engineering and technology. Megger testing procedures ieee electrical code issues. The purpose of this recommended practice is to a define insulation resistance and polarization index testing of the winding of a rotating machine. It recommends minimum acceptable values of insulation resistance for ac and dc rotating machine windings. Ieee recommended practice for testing insulation resistance of electric machinery redline abstract. Ansiieee std 811983 revision of ieee std 811962 an. 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. Permission is hereby granted for ieee standards committee participants to reproduce this document for.
Ieee 43 20 ieee recommended practice for testing insulation resistance of electric machinery. Standard ieee recommended practice for testing insulation. This document describes the recommended procedure for measuring insulation resis. Ieee standard 4320 ieee standard 4320 pdf ieee standard 524 ieee standard 2421986 ansiieee standard 80 ieee standard 81 fallofpotential grounding test iec 61. 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. Standard details it applies to synchronous machines, induction machines, dc machines, and synchronous condensers. Furthermore, the viewpoint expressed at the time a standard is approved and.
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. Jul, 2019 whats new in the ieee 43 insulation resistance testing 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. Ieee xplore 43 20 ieee recommended practice for testing insulation resistance of electric machinery ieee standard. 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.
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. 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 432000 revision of ieee std 431974 ieee recommended practice for. Isbn 9780738190068 stdpd98587 ieee prohibits discrimination, harassment, and bullying. Ieee std 1122004, ieee standard test procedure for. Find standards, standards in development, learn about the standards development lifecycle, and much more. Introduction the standard that all of us have lived by for insulation resistance testing was reissued in. Ieee recommended practice for testing insulation resistance. 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. The ieee recommended practice for testing insulation resistance 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. Mar 06, 2014 ieee xplore, delivering full text access to the worlds highest quality technical literature in engineering and technology. 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. The dc voltage tests procedures for the measurement of the insulation resistance and polarization index of insulated stator, and rotor windings and how to interpret the results are described in this recommended practice.
Othere ieee standards that include information on insulation. This standard is also available to be included in standards subscriptions. 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 standard general requirements for liquidimmersed, distribution, power and regulating transformers.
Easa senior technical support specialist the institute of electrical and electronics engineers ieee standard for insulation resistance testing. Sep 19, 2018 the ieee 43 2000 recommendation on recommended. A guide to diagnostic insulation testing above 1 kv. The following sections of the ansineta standard for acceptance testing specifications for. Ieee recommended practice for testing insulation resistance of electric machinery. Ieee xplore 4320 ieee recommended practice for testing insulation resistance of electric machinery ieee standard. It applies to synchronous machines, induction machines, dc machines, and synchronous condensers. Power transformer factory test using ieee standards. Device numbers are used to identify functions of devices shown on a schematic diagram. 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. 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. 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.
The importance behind the addition of annex d in ieee standard. The first change in the new document is a slight change in the title. 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. This was done to accommodate the many changes and observations in insulation chemistry and combinations over the past decades. This article will discuss each of the changes referencing directly to ieee std. Ieee standards documents are developed within the ieee societies and the standards coordinating com. Formwound coils made after 1970 should have a minimum insulation resistance of 100 megohms. The ieee recommended practice for testing insulation resistance of rotating machinery, std 432000, emphasizes the need for upgrading current. Ieee standard for the testing, design, installation, and. 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. Megger a guide to insulation testing above 1 kv datasheet pdf. Mar 14, 2016 the standard that we generally reference within industry is the ieee 43, which went through a major revision in may, 2000.
Browse related products from ieee ieee by technical committee power and energy electric machinery ieee by ics code 29. 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. Experience with stator insulation testing iris power. Ieee membership offers access to technical innovation, cuttingedge information, networking opportunities, and exclusive member benefits. Whats new in the ieee 43 insulation resistance testing standard. This current is usually ieew if the motor is new or undamaged.
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