In march 2000, the ieeesa standards board approved a revision to ieee std 431974. Start and configure the oscilloscopes ethernet testing software see software users manual. It works solely toward innovating, educating and standardizing the electrical and electronic development industry. The standard is one of the oldest titles in the ieee collection, with the first edition dating back to 1928. In common usage, however, the phrase high voltage means very different. Out of hoffman estates, illinois, a suburb of chicago, the company started out with four employees and used old doors set on top of sawhorses as desks. A dga is the first indicator of a problem and can identify deteriorating insulation and oil, overheating, hot spots, partial discharge, and arcing. After testing, the measured data are analyzed by means of wavelet analysis in. Ganofsky on april 23, 1993, following his graduation from college. Approve request for an extension until december 2021 ieee power and energy societyinsulated conductors p1406 guide for the use of gasinfluid analysis for paper and laminated paperpolypropylene insulated cable systems. High voltage definition and meaning collins english dictionary. Ieee 829 is also known as the ieee standard for software and system test documentation.
Metaloxide surge arresters mosas designed to repeatedly limit the voltage surges on 48 hz to 62 hz power circuits by passing surge discharge current and automatically limiting the flow of system power current are. Considerations of safety in electrical testing apply not only to personnel but to the. Considerations of safety in electrical testing apply not only to personnel but to the test equipment and. Ieee 1433 standard glossary of power quality terminology. This test of the dielectric strength is mandatory as it is part of the requirements. Iec 62475 highcurrent test techniques definitions and requirements for test currents. Sections that deal with alternating voltage, direct voltage, and impulse testing are combined in this revision to organize the technical content for ease of use. High voltage testing techniques 1 ieee standard for high voltage testing techniques. Another factor to consider regarding service voltage is the voltage regulation of the utility system.
Maintenance and installation costs also increase with increasing service voltage. For iec low voltage is less than v and high voltage is above v. Ieee 8292008, also known as the 829 standard for software and system test documentation, was an ieee standard that specified the form of a set of documents for use in eight defined stages of software testing and system testing, each stage potentially producing its own separate. Guide for technical requirements for hybrid highvoltage directcurrent. Insulation resistance testing guide chauvin arnoux. Isoiecieee 29119 software testing is an internationally agreed set of standards for software testing that can be used within any software development life cycle and by any organisation. Ieee 8292008 has been superseded by isoiecieee 291193. Ieee 829 defines the standards for software analysis and citations. Electrical stress insulation is designed for a particular application. What is step and touch potential and reducing resistance. A high resistivity top layer and low resistivity bottom layer tends to result in the highest step voltages close to the ground electrode. Hvi has paired it with vlf ac technology for field testing medium and high voltage cable.
New ieee 42103 definition for impulse test voltage test voltage v i. Guide for testing mechanical acoustic imaging of high voltage reactors recommendation. Iec tc 109 standards on insulation coordination for lowvoltage equipment. Conferences related to system level testing back to top. There are currently five published standards in the 29119 series. Ieee 829 is a standard for software testing by the institute of electrical and electronics engineers ieee that specifies all the stages of software testing and documentation at each stage. The institute of electrical and electronics engineers standards association ieee sa is an organization within ieee that develops global standards in a broad range of industries, including.
This test of the dielectric strength is mandatory as it is part of the requirements of all national standards e. Even though every voltage class has their particularity and historical development, the voltage level classification is entirely arbitrarily. The alternatives are to develop ones own software or purchase a. Ieee 8292008 has been superseded by isoiec ieee 291193. This reduces the costs for training and transport, and cuts down testing time. The institute of electrical and electronics engineers standards association ieeesa is an organization within ieee that develops global standards in a broad range of industries, including.
Simulation of the high voltage impulse generator ieee conference. The author sheds some light on why testing todays software products is so challenging, and he identifies several solid approaches that all testers should be able to thoughtfully apply. Motor and generator testing solutions doble engineering. Standards address a range of issues, including but not limited to various protocols to help maximize product functionality and compatibility, facilitate. Step potential is the step voltage between the feet of a person standing near an energized grounded object. Primary test manager ptm ideal tool for diagnostic testing and. Designing of multistage impulse voltage generator using atp software, ieee, pp. Excerpts from ieee standard 5101983 have been listed in this section in order to caution all personnel dealing with high voltage applications and measurements and to provide recommended safety. Recommended practice for voltage sag and interruption ridethrough testing for end use electrical equipment less than volts. The most common use of the high voltage impulse generators is probably.
Ieee recommended practices for safety in high voltage and high power testing spellman high voltage subject considerations of safety in electrical testing apply not only to personnel but to the test equipment and apparatus or system under test. This is, by far, the most important tool for determining the health. Voltages defined by the utility as distribution should, in most cases, have adequate voltage. Excerpts from ieee standard 5101983 have been listed in this section in order to caution all personnel dealing with high voltage applications and measurements and to provide recommended safety practices with regard to electrical hazards. There are five basic causes for insulation degradation. Stress testing sometimes called torture testing is a form of deliberately intense or thorough testing used to determine the stability of a given system, critical infrastructure or entity. To minimize that risk, dobles highvoltage laboratory offers a wide range of qualification and acceptance tests for mediumvoltage and highvoltage rotating machines. Pd testing adds a valuable dimension to cable testing, although it is more expensive than td. Standard for voltage endurance testing of formwound coils and bars for hydrogenerators recommendation. Members support ieees mission to advance technology. Another factor to consider regarding service voltage is the voltage regulation of the utility. Ieee membership offers access to technical innovation, cuttingedge information, networking opportunities, and exclusive member benefits.
For instance, in the us there is not a consensus among, nec, ieee, utilities and consumers. In this paper, an industrial computer control system of high voltage testing. The ieee guide for field testing cables using vlf ieee 400. Istqb international software testing qualifications board is a notforprofit association legally registered in belgium. In addition, the concept of measurement uncertainty in evaluation of high voltage and high current tests is introduced in this version. Standards are published documents that establish specifications and procedures designed to maximize the reliability of the materials, products, methods, andor services people use every day.
Ieee safety recommendations for high voltage testing. Ieee guide for synthetic fault testing of ac highvoltage circuit breakers rated on a symmetrical current basis. Ieee 8292008, also known as the 829 standard for software and system. It is best known for its development of standards such as ieee 802. Cable testing covers many topics and a broad range of testing methods and equipment, including diagnostic methods of insulation testing such as tan. It involves testing beyond normal operational capacity, often to a breaking point, in order to observe the results. Ieee 420 establishes standard methods and basic techniques for highvoltage testing. The ieee mtts international microwave symposium ims is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including vhf, uhf, rf, microwave, millimeterwave, terahertz, and optical. The primary test managertm ptm software supports you during diagnostic testing. What is step and touch potential and reducing resistance to. They interact with each other and cause a gradual spiral of decline in insulation quality. First version of standard 4 as a separate hv test and measurement.
Out of hoffman estates, illinois, a suburb of chicago, the company started. Hvi offers a combined partial discharge and tan delta cable diagnostic testing system from power diagnostix systems gmbh, the icmflex. If you are looking for something specific, dont hesitate to contact us. Feb 08, 2011 i want to know the detail level for high voltage, medium voltage and low voltage of ieee standards also express with high voltage or extra high voltage. It is designed to serve professionals involved in all aspects of the electrical, electronic, and computing fields and related areas of science and technology that underlie modern. It is equal to the difference in voltage, given by the voltage distribution curve, between two.
Very low frequency vlf tan delta testing is a precise and nondestructive method to provide information on the extent of ageing in cable insulation. However, equipment such as large motors may require a service voltage of 4160 v or higher, and, further, service reliability tends to increase at higher service voltages. High voltage definition and meaning collins english. Com ieee 829 ieee 8291998, also known as the 829 standard for software test documentation, is an ieee standard that specifies the form of a set of documents. Cable diagnostic tools minimize inservice failures.
The focus of the ieee p1547a amendment 1 wg was limited to establishing updates to voltage regulation, response to area electric power systems abnormal. The purpose of this recommended practice is to clearly define test methods and ridethrough performance for determining electrical and electronics equipment sensitivity to voltage sags. The standard is one of the oldest titles in the ieee collection, with the first edition. From these ones it has evolved a test that implementing the high voltage d. Ieee, an association dedicated to advancing innovation and technological excellence for the benefit of humanity, is the worlds largest technical professional society. Test voltages up to 10 kv are recommended for windings rated greater than 12 kv. Run the test and store the results using the ethernet compliance testing software. Ieee standard for highvoltage testing techniques archives. High voltage test also called hipot or hv test worldwide has by far the highest priority among all of the electrical safety tests. Weve assembled helpful technical guides on cable testing and cable fault location from leading manufacturers in the field. Nescom recommendations ieeesa standards board new standards.
The angular displacement of a polyphase transformer is the time angle expressed in degrees between the linetoneutral voltage of the reference identified high. Theres a new ieee 4, ieee standard for highvoltage testing techniques, thats just been released. Metaloxide surge arresters mosas designed to repeatedly limit the. Enter your mobile number or email address below and well send you a link to download the free kindle app. Isoiec ieee 29119 software testing is an internationally agreed set of standards for software testing that can be used within any software development life cycle and by any organisation.
May 15, 20 theres a new ieee 4, ieee standard for highvoltage testing techniques, thats just been released. It is also required by the nfpa 70e in article 110. The patented cpc 100 primary injection test system replaces several individual testing devices. Transformer diagnostics and condition assessment testguy. A guide to diagnostic insulation testing above 1 kv. The choice of system voltage according to ansi standard c84. This is known as livedeadlive testing and is mandated by osha when voltages are above 600 volts.
Past, present and future of iec and ieee highvoltage and highcurrent testing standards cigre d1. The purpose of this part of isoiecieee 29119 is to provide an international standard that defines software test design techniques also known as test case design techniques or test methods that can. Ieee recommended practices for safety in high voltage and high power testing spellman high voltage subject. Recent important changes in ieee motor and generator winding insulation diagnostic testing standards. The angular displacement of a polyphase transformer is the time angle expressed in degrees between the linetoneutral voltage of the reference identified high voltage terminal h1 and the linetoneutral voltage of the corresponding identified low voltage terminal x1. The purpose of this part of isoiec ieee 29119 is to provide an international standard that defines software test design techniques also known as test case design techniques or test methods that can be used within the test design and implementation process that is defined in isoiec ieee 291192. Com ieee 829 ieee 8291998, also known as the 829 standard for software test documentation, is an ieee standard that specifies the form of a set of documents for use in eight defined stages of software testing, each stage potentially producing its own separate type of document. Typically at the testing point, says shelopal, a product team typically involves eight to ten people, but could be as big as 100, including safety engineers, software engineers, and. I want to know the detail level for high voltage, medium voltage and low voltage of ieee standards also express with high voltage or extra high voltage. The hardware structure is presented and the software is programmed in this paper. A guide to diagnostic insulation testing above 1 kv 5 what causes insulation to degrade.
233 1091 861 5 787 1463 1098 293 278 74 1067 1160 1533 1111 666 148 1505 462 376 1161 580 493 484 1206 228 736 1360 465 212 816