Whats new in the ieee 43 insulation resistance testing. Ieee std 1122004, ieee standard test procedure for. With this in mind, ieee has made the following standards available at no cost for download. Measure resistance of machinefield winding, exciterstator winding, exciterrotor windings. 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 std 43 2000 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 ieee sa standards board abstract. The purpose of insulation resistance ir reading is to evaluate the condition. An insulation resistance profile irp is a graphical. Sai global standards, 205 west wacker drive, suite 1800 chicago, il 60606. Testing insulation resistance of rotating machinery, recommended practice for replaced standard.
Ieee recommended practice for testing insulation resistance of. Testing the insulation resistance of rotating machinery plant services. This article will discuss each of the changes referencing directly to ieee std. Perform a highpotential test on the excitation system in accordance with ansi ieee standard. Experience with stator insulation testing iris power. A minimum discharge time, which is equal to four times the voltage application duration, is recommended. Testing the insulation resistance of rotating machinery. Whats new in the ieee 43 insulation resistance testing standard. This document describes the recommended procedure for measuring insulation.
This introduction is not part of ieee std 43 2000, ieee recommended practice for testing insulation resistance of rotating machinery. Ieee standard for the testing, design, installation, and maintenance of electrical resistance heat tracing for commercial a p p l i c a t i o n s i e e e 3 park avenue new york, ny 100165997, usa 8 may 2006 ieee industry applications society sponsored by the petroleum and chemical industry committee authorized licensed use limited to. Rotating machines, and other recognized organizations. Norma ieee this resource is available in spanish it has changed from ieee recommended practice for testing insulation resistance of rotating machinery to. Megger a guide to insulation testing above 1 kv datasheet pdf. 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.
Ieee standard for distributed interactive simulation application protocols ieee std 1278. If the windings are clean and dry, the total current i t. 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 can be adjusted to all testing voltages that are specified in ieee 43 2000. If the windings are clean and dry, espall total current i t. Ieee std 43 2000 revision of ieee std 431974 ieee recommended practice for testing insulation resistance. Ieee recommended practice for testing insulation resistance of electric machinery redline. Ieee standard for distributed interactive simulation dis communications services and profiles ieee std 1278. A29a29m99e1 standard specification for steel bars, carbon and alloy, hotwrought and coldfinished, general requirements for. The readings of a dry winding in good condition may continue to increase for hours with a continuously applied constant test voltage.
Abstract of testing to performed on the electrical insulation, to ensure ieee standards and test procedures are widely used by motor and generator vendors and users to commission windings in new machines, as well as evaluate the condition of the. Pdf acrobat reader or word version doc document file size. 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. The first change in the new document is a slight change in the title. 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. Perform an ac voltagedrop test on all rotating field poles. Ideal for electricity board and industrial companies for predictive and. Polarization index testing should be performed in accordance with ieee standard 43 2000 r2006, ieee recommended practice for testing insulation resistance of rotating machinery. Ieee 43 2000 ieee recommended practice for testing insulation resistance of rotating machinery.
Contained within this document is the general theory of insulation resistance ir and polarization index p. A guide to diagnostic insulation testing above 1 kv. Use of personal protective equipment is recommended, as is the use of hot sticksinsulated ladders, etc. Ieee std 43 2000 r2006 revision of ieee std 431974 ieee recommended practice for testing insulation resistance of rotating machinery sponsor electric machinery committee of the ieee power engineering society approved 12 october 2000 american national standards institute reaffirmed 30 march 2006 approved 6 march 2000 ieee sa standards board. The ieee recommended practice for testing insulation resistance of with the release of ieee std 43 2000, new limitations on the use and evaluation of pi. Pdf testing and simulation of motor insulation system under. It applies to synchronous machines, induction machines, dc machines, and synchronous condensers. Ieee 4320 ieee recommended practice for testing insulation resistance of electric machinery. Ieee standard for the testing, design, installation, and. Measurement of insulation resistance ir part 2 fluke insulation resistance tester up to 10kv allows testing of high voltage systems such as control gears, engines, generators and cables. Find standards, standards in development, learn about the standards development lifecycle, and much more. Ieee 43 2000 claims that before any insulation testing can take place, safety24 mar 2000 pdf. Inspection and test procedures for rotating machinery. Ieee is committed to supporting the global response to todays pandemic.
Explain how the ieee 43 2000 standard correlates to the mce tester. Category electrical engineering rotating machinery rotating. Enter your email address and siso member id below to access these sisosponsored ieee standards. Ieee standards documents are developed within the ieee societies and the standards coordinating com. This introduction is not part of ieee std 1122004, ieee standard test procedure for polyphase induction motors and generators. Ieee standard 43 2000 states that in order to avoid the effects of temperature in trend analysis, all tests should be corrected to a common base temperature of 40 degrees c using the following equation. 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. The quotient of the insulation resistance at time t2 divided by the insulation resistance at time t1. 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. To provide greater accuracy around the 1 min point and to allow the data to be plotted on log paper, it espao, also common to take readings at other intervals such as 15 s, 30 s, 45 s, 1 min, 1.
Ieee recommended practice for testing insulation resistance of electric machinery abstract. Electrical stress insulation is designed for a particular application. The voltage application time is usually 1 min ir 1 or 10 min ir 10however, other. Ieee standard 432000 recommends a procedure for measuring insulation resistance of armature and field windings in rotating machines. A megger brand model number bm25 or its replacement or comparable is. When the ieee sa 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 43 2000, the ieee recommended practice for testing insulation resistance of rotating machinery. A guide to diagnostic insulation testing above 1 kv 5 what causes insulation to degrade. Insulation resistance profile irp and its use for assessing insulation systems david l. Ieee standards association recommended resistance of electric machinery. Rc is the insulation resistance corrected to 40 c kt is the insulation resistance temperature coefficient at t degrees c. 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.
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