High voltage test on cables dielectric power factor test. High voltage test techniques by dieter kind overdrive. This revision implements many new procedures to improve accuracy, provide greater flexibility, and. Download it once and read it on your kindle device, pc, phones or tablets. At the time of manufacture the entire cable is passed through a high voltage test at the rated voltage to check the continuity of the cable. Download citation highvoltage test and measuring techniques it is the intent of this book to combine highvoltage hv engineering with hv testing. Highvoltage test and measuring techniques researchgate. This type of supply ranges from 5 kv to about 30 kv.
This test of the dielectric strength is mandatory as it is part of the requirements of all national standards e. Standard methods and basic techniques for highvoltage testing applicable to all types of apparatus for alternating voltages, direct voltages, lightning impulse voltages, switching impulse voltages, and impulse currents are established in this standard. The basics of high voltage laboratory techniques and phenomena, together with the principles governing the design of high voltage insulation, are covered in this book for students, utility engineers, designers and operators of high voltage equipment. Ac hipotential testing this method uses ac high voltage for the testing of cables and other types of electrical equipment at a level greater than the rated voltage of the tested equipment. The second edition of high voltage test techniques has been completely revised. Highvoltage test and measuring techniques wolfgang.
This standard is part 2 of as 1931, high voltage test. Standard test methods for measurement of energy and integrated charge transfer due to partial discharges corona using bridge techniques. It is that high voltage testing techniques at which the electrical stress in the insulation causes a failure which includes the collapse of voltage and passage of current. If the test voltage is 3000, then the test current would be 3000250 x 0. High voltage testing can be broadly classified into testing of insulating materials. High power testing involves a special type of high voltage measurement in that the level of current is. High voltage testing techniques basics terminology. In case of nonself restoring insulation no breakdown can be accepted during a hv test. Insulators porcelain and glass indoor and outdoor station post insulators for voltages greater. It is the intent of this book to combine high voltage hv engineering with hv testing technique and hv measuring technique. Basics of highvoltage test techniques springerlink. For high voltage and extra high voltage transmission lines, specially trained personnel use live line techniques to allow handson contact with energized equipment.
High voltage test techniques partial discharge measurements corrigendum 1 a description is not available for this item. Different repair techniques may also be required for small cracks and chips. 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. High voltage test techniques partial discharge measurements. The voltage which has to be applied to a test object under specified conditions.
The present revision takes into account the latest international developments in high voltage and measurement technology, making it an essential reference for engineers in the testing field. Sharp edges of a chip should be honed smooth, and the defective area. Maintained by the high voltage testing techniques hvtt subcommittee of the power systems instrumentation and measurement psim committee referenced by all ieee power apparatus committees psim officers. The basics of partial discharge testing hv technologies. However, this is not to say that the area has stood still. High voltage testing of electrical equipment covers a wide range of techniques depending on the nature of the equipment and the type of test required. High voltage technology belongs to the traditional area of electrical engineering. This is defined as the high voltage testing techniques which produces the loss of dielectric strength of an insulation. The basics of partial discharge testing hv technologies, inc. Insulation powerfactor tests are used to measure dielectric losses, which relate the wetness, dryness or deterioration of high voltage insulation. High voltage testing techniques basics terminology techniques.
Most textbooks on highvoltage hv engineering published in the recent years are focussed on general aspects of this field but not on the specifics of hv test. High voltage engineering fundamentals sciencedirect. Chair, ieee high voltage testing techniques subcommittee fall 2016 ieee switchgear committee meeting october 9, pittsburgh, pa 1 ieee standard for highvoltage testing techniques. Iec 60055 paperinsulated metalsheathed cables for rated voltages up to 1830 kv with copper or aluminium conductors and excluding gaspressure and oilfilled cables iec 60059 iec standard current ratings. In this case the worker is electrically connected to the highvoltage line but thoroughly insulated from the earth so that he is at the same electrical potential as that of the line. High voltage and high current technology, although extremely important to the electric power industry and high energy physics research, suffers from inadequate published technical material on measurement techniques. Essam shaalan 17 types of high voltage hv high voltage dc used in hvdc transmission lines. In particular, among the books available in english, there has been no single source of uptodate information on recent developments in the use of surge test oscilloscopes. Based on longterm experience gained by the authors as lecturer and.
The uk participation in its preparation was entrusted to technical committee. Highvoltage test techniques partial discharge measurements. In test codes and standard specifications, certain technical terms are used. Careful consideration should be given to safety precautions for high power. High voltage testing low frequency constant dc high. Because the insulation resistance and reactance of the stray capacitance is so high, the ac test current can be simplified to the leakage current at 250 v times the ratio of hipot test voltage to 250 v. New insulating materials, computing methods and voltage levels repeatedly pose new problems or open up methods of solution. The transformer used for producing extra high voltage in this type of high voltage testing procedure, may not be of high power rating. Jan 24, 2001 the second edition of high voltage test techniques has been completely revised. Jim mcbride, jmx services chair ernst hanique, dnvgl kema laboratories, vice chair. Generally, glyptal or insulating varnish will repair small scratches, hairline cracks, and chips. For this test the power frequency high voltage is applied to the specimen or equipment under test for a long specific period to ensure the continuous high voltage withstanding capability of the device. High voltage test techniques kindle edition by kind, dieter, feser, kurt.
In the area of used test systems, the conception and final integration of test and measurement instruments to provide the best solution to individual problems is a speciality of ours. This standard also specifies procedures for testing equipment when external insulation of the test object is to be subjected to dry, wet, or contaminated conditions. The accelerating voltage for a television cathode ray tube may be described as extra high voltage or extra high tension eht, compared to other voltage supplies within the equipment. Power transfer for large systems depends on high system voltages. High voltage test techniques, kind, dieter, feser, kurt. Highvoltage bushing maintenance and testing explained. High voltage testing techniques and measurement techniques.
This standard is the result of a consensus among representatives on the joint committee to produce it as an australian standard. Use features like bookmarks, note taking and highlighting while reading high voltage test techniques. High voltage techniques course electrical engineering portal. Highvoltage hv testing utilizes the phenomena in electrical insulations under the influence of the electric field for the definition of test procedures and acceptance criteria. Its important to know that dc hipot testing does not provide a thorough analysis of cable condition, but instead provides sufficient information as to whether the cable meets a specific high voltage breakdown strength requirement in the past, dc dielectric withstand testing has been the most widely used test for acceptance and maintenance of cables. This standard is identical with, and has been reproduced from iec 600603, ed. High voltage testing techniques and measurement techniques h.
Iec 60270 partial discharge measurements previously high voltage test techniques is applicable to the measurement of partial discharge which occurs in electrical apparatus, systems, and components when tested with dc voltage or ac voltage up to 400 hz. This standard establishes standard methods to measure highvoltage and basic testing techniques, so far as they are generally applicable, to all types of apparatus for alternating voltages, direct voltages, lightning impulse voltags, switching impulse voltages, and impulse currents. Amendment to ieee standard techniques for high voltage testing foreword this revision of ieee standard techniques for high voltage testing is notable for its implementation of many new procedures to improve accuracy, provide greater flexibility, and address. December 1, 2000 high voltage test techniques partial discharge measurements this international standard is applicable to the measurement of partial discharges which occur in electrical apparatus, components or. Abstract highvoltage hv testing utilizes the phenomena in electrical insula tions under the in. This standard reference of the international high voltage community combines high voltage engineering with hv testing techniques and hv measuring methods. Iec 60507 artificial pollution tests on high voltage insulators to be used on a. In automotive engineering, high voltage is defined as voltage in range 30 to vac or 60 to 1500 vdc. Cables are tested for withstand voltages using the power frequency a. Foreword this revision of ieee standard techniques for high voltage testing is notable for its implementation of many new procedures to improve accuracy, provide greater flexibility, and address. Jan 01, 2001 the second edition of high voltage test techniques has been completely revised. Iec 60061 lamp caps and holders together with gauges for the control of interchangeability and. This standard establishes standard methods to measure high voltage and basic testing techniques, so far as they are generally applicable, to all types of apparatus for alternating voltages, direct voltages, lightning impulse voltags, switching impulse voltages, and impulse currents. Ieee standard techniques for highvoltage testing abstract.
Used in laboratories for testing equipment used in ac or dc application. There are mainly four types of high voltage testing methods applied on high voltage equipment and these are. The discussion covers dielectric withstand voltage test, causes of high voltage failures in flight hardware systems and how pd testing can detect incipient problems, and high frequency pd test methods and applications. Highvoltage and partial discharge testing techniques for. This revision implements many new procedures to improve accuracy, provide greater flexibility, and address. Highvoltage hv testing utilizes the phenomena in electrical insulations under the influence of the electric field for the definition of test. Iec 60270 highvoltage test techniques partial discharge. Electricity metering ripple control receivers for tariff and load control. High voltage test techniques by dieter kind, kurt feser. Procedures are given for applying correction factors to convert test data to standard atmospheric conditions. Techniques and measurement techniques for high ac and dc voltage and. Sections that deal with alternating voltage, direct voltage, and impulse testing are combined in this revision to organize the. Based on longterm experience gained by the authors as lecturer and researcher as well as member in international organizations, such as iec and cigre, the book will reflect. Based on longterm experience gained by the authors the book reflects the state of the art as well as the future trends in testing.
May 10, 20 ieee standard for highvoltage testing techniques abstract. This standard applies to the measurement of pd in electrical apparatus or systems when testing with ac voltage up to 400 hz or with dc voltage. The method is to apply suitable high voltage to sample, and subject it to a. Measuring systems published by iec on november 1, 2010 this part of iec 60060 is applicable to complete measuring systems, and to their components, used for the measurement of high voltages during laboratory and factory tests with direct voltage. Niksun studio via flickr power transfer for large systems, whether in the context of interconnection of large systems or bulk transfers, led engineers invariably to think in terms of high voltages. When speaking of partial discharge, the most important standard that every expert will refer to is iec 60270.
High voltage and current measurement techniques 2 march 2015 dr. Pro the ac hipot test is considered a good test for conductive and high impedance defects in cables and does not induce space charge. Product investigations and type approval testing for nearly all electrical and electronic units low, medium and high voltage are conducted on our behalf by. Ieee 4 highvoltage testing techniques engineering360. Pel42, testing techniques for high voltages and currents, which has the. High voltage test techniques for low voltage equipment test equipment. Ieee safety recommendations for high voltage testing. Hipot test current, leakage current and insulation resistance. As this standard is reproduced from an international standard, the following applies. Chair, ieee high voltage testing techniques subcommittee. High voltage test also called hipot or hv test worldwide has by far the highest priority among all of the electrical safety tests. Capacitance and dielectric loss measurements this standard is applicable only to tests on equipment with a rated voltage above v. High voltage test techniques partial discharge measurements 1 scope this international standard is applicable to the measurement of partial discharges which occur in electrical apparatus, components or systems when tested with alternating voltages up to 400 hz or with direct voltage.