Soares book on grounding and ieee 142 greene

To ground handbook and the international association of. Ieee142 and soares book on grounding use the same physics and. A thorough investigation of grounding problems, and the methods for solving these problems, is presented. Ieee std 1422007 recommended practice for grounding of industrial and commercial power systems. Pdf ieee standard 1421991 the green book vicente martinez. Ieee std 142 2007 revision of ieee std 142 1991 ieee recommended practice for grounding of industrial and commercial power systems sponsor power systems engineering committee of the ieee industry applications society approved 7 june 2007 ieee sa standards board. Pdf emc grounding on automation and control systems. This recommended practice has served electrical engineers seeking electrical system grounding information since the first edition in 1956. The zerosequence reactance has the lowest value, and the positive sequence reactance varies as a function of time. Shields is a comprehensive sutdy guide for the design of industrial and commercial power systems as dictated by neutral grounding and groundfault protection practices. Soares book on grounding and bonding international.

Copper is the preferred metal for grounding conductors and electrodes. Grounding to enhance equipment performance 2011 course. The zerosequence reactance has the lowest value, and the positive sequence reactance varies as a. The electrical association of philadelphia, 527 plymouth road, suite 408, plymouth meeting, pa 19462. The problems of system grounding, that is, connection to ground of. The choice of system grounding method should be selected to provide the safety, reliability, and continuity of service desired for the power distribution system. Improving your skills in electrical grounding and bonding has never been easier.

This is a discussion of the basic principles behind grounding systems and how grounding is related to safety and. Grounding is a present tense word grounding indicates a process that is ongoing grounding is an action required at enclosures and equipment in electrical circuits from the source or service to the final outlets on the circuit it is accomplished by using an equipment grounding conductor of any type specified in 250. These include high thermal and electrical conductivity, ease of manufacture, high recyclability and good corrosion resistance. The grounding and bonding of equipment in industrial and commercial power systems is covered in this recommended practice. Soares book on grounding and bonding, th edition nec. Unlike the transformer, the three sequence reactances of a generator are not equal. Soares book grounding and bonding 9th edition icons. Ieee recommended practice for equipment grounding and. Normas del instituto mexicano del seguro social rz0xv4mzndln.

The standards being developed today will make a big difference in the way we live and interact with the worldand affect a range of solutions from bigpicture alternative energies to the design of tiny but ubiquitous computer chips to building a more. Always controversial and mysterious, grounding has puzzled experts and caused nonexperts to quake. Primary protector grounding terminal or grounding electrode shall be connected to the metal frame or available grounding terminal of the mobile home with the copper conductor not smaller than blank when there is no mobile home service equipment or disconnecting means as an 800. Nontinning general copper and copper alloys are widely used because they combine unique properties at an economical price. Green technology, clean energy and energyefficiency present boundless opportunities for standards development under the ieee sa umbrella. Grounding electrical distribution systems for safety. Ieee 8020 safety in ac substation grounding ieee c22012 national electrical safety code nfpa 70 national electrical codes, article 250 grounding and bonding ieee 11002005 recommended practice for powering and grounding electronic equipment. Either one will dispell a lot of job site rumor, and get you a lot closer to where you want to go. The iaei book even gives some of the history of grounding requirements in the u. Ieee std 1100 2005 revision of ieee std 11001999 ieee recommended practice for powering and grounding electronic equipment sponsor power systems engineering committee of the industrial and commercial power systems department of the ieee industry applications society approved 9 december 2005 ieeesa standards board approved 29 december 2005.

Iaei has brought grounding down to earth in this updated book. Jul 01, 2014 ive been using soares book on grounding for 15 years. May 02, 2017 soares book on grounding and bonding, th edition nec 2017 international association of electrical inspectors, kathryn p. Since grounding bonding is such a big part of power quality, i get a new book every 3 years. This course covers earth grounding, equipment grounding, and high resistance grounding. Koutroumbas abstractrecently, a number of mostly norm regularized leastsquarestype deterministic algorithms have been proposed. Ieee standard 142 1991 lists several reasons for limiting the ground fault current by resistance. Industrial power system grounding design handbook about the. Soares has long been the grounding standard for field people in the electrical industry, while ieee 142 has long been the grounding standard for electrical engineers. Bioucasdias, member, ieee, and antonio plaza, senior member, ieee abstracthyperspectral imaging relies on sophisticated acqui sition and data processing systems able to acquire, process, store. Venue kobe portopia hotel 101, 6 chome, minatojima nakamachi, chuoku, kobe, 6500046, japan tel. Your role in the green environment trainee guide 3rd edition. Institute enginers electricals and electronics ieee. Ieee standard 1421991 lists several reasons for limiting the ground fault current by resistance.

Soares contains some examples of maximum lengths as a function of. Visit bioenergy products again soon for new fun facts and videos with our professor. Grounding versus bonding part 1 of 12 mike holt enterprises. A guide to electrical installations on shipboard provides a detailed background of the changes in ieee std 452002 and the reasoning behind the changes as well as explanation and adoption of other national and international standards. Ieee standard 1421991, recommended practice for grounding of industrial and. It explains the differences between all three grounding systems, emphasizing the critical function that equipment ground performs. The standard is a living document often interpreted differently by different users. Since groundingbonding is such a big part of power quality, i get a new book every 3 years. Fortunately, ieee standard 142 provides all the information you need to clear up confusion and develop a good grounding design. Grounding has often puzzled experts and caused nonexperts to quake through the years. It is not the intention of the author to propose this as a standard. Whatever you pay, it will be some of your best dollars ever invested in pursuit of truth regarding bonding and grounding. The interconnection and grounding of the nonelectrical metallic elements of a system is covered first.

Soares book on grounding and bonding, th edition nec 2017. It reflects the experience and sound judgment of a working group made up of engineers active in the design and operation of electrical. Ngr post glover resistance grounding 2012 electric power. Soares has long been the grounding standard for field people in the electrical industry, while ieee142 has long been the grounding standard for electrical engineers. Facility and equipment grounding to enhance equipment. If you want to learn about grounding and bonding, this is the book. This book is a revision of ieee std 1421991, the ieee green book. Principles of electrical grounding pfeiffer engineering. Design, engineering, installation, and enforcement perspectives for grounding and bonding come together in this unique, handson electrical reference. This is followed by a discussion of the objectives of equipment grounding and bonding, including minimizing electric shock hazard to personnel, providing.

Ieee std 1422007 revision of ieee std 1421991 ieee. Thank you for learning with professor ion at the grounding academy. Eustace soares book, grounding electrical distribution systems for safety was originally published in 1966 and was based upon the 1965 edition of the national electrical code. Also, watch for new recommendations and free downloadable tools. Soares book on grounding and bonding 9th edition by.

Shields is a comprehensive sutdy guide for the design of industrial and commercial power systems as dictated by neutralgrounding and groundfault protection practices. Aug 07, 2010 green technology, clean energy and energyefficiency present boundless opportunities for standards development under the ieee sa umbrella. Soares book on grounding and bonding, 2014 explains how and why certain grounding methods are used, but it does so in a logical way, balancing text with photos and illustrations. Soares book on grounding and bonding, based on the 2011 nec. Ive been using soares book on grounding for 15 years.

Soares grounding electrical distribution systems for safety. The proposal must be able to obtain regulatory approval in the united states section 15. The problems of system grounding, that is, connection to ground of neutral, of the corner of the delta, or of the midtap of one phase, are covered. Power acceptability and voltage sag indices in the. Required reference book to be purchased by student not included in the course material. Inspectors iaei soares book on grounding are recommended see access. Soares book on grounding and bonding electrician talk. We invite you to share the health benefits of grounding by clicking the like button and sharing on your favourite social media. The proposal shall specify a phy that implements all mandatory portions of the ieee 802. Industrial power system grounding design handbook by j.

Information is given on how to ground the system, where the system should be grounded, and how to select equipment for the ground of the neutral circuits. This book is a revision of ieee std 142 1991, the ieee green book. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The grounding and bonding requirements contained in this column apply to solidly. Soares book on grounding and bonding, 2017 iaei 9781890659738. To many of us, properly designing and installing a commercial or industrial grounding system is often a confusing process. Electrical inspectors publication, soares book on grounding and bonding. According to the ieee green book3, the grounding electrode resistance of. Resistance grounding of the power distribution offers many advantages. When you consider that soares is a product of the international association of electrical inspectors, this division of labor makes sense. Soares book on grounding and bonding, th edition nec 2017 international association of electrical inspectors, kathryn p. Additionally and in response to these challenges, two workshops were held at pervasive 2008 and ubicomp 2008. Meeting dates august 23, 2011 tuesday august 25, 2011 thursday 2.

The purpose of this paper is to provide a tutorial or refresher on grounding methods, sources of ground current, ground current flow in the power system, and how each impacts protective relaying. Industrial power system grounding design handbook about. Soares book on grounding and bonding, th edition nec 2017 international association. Grounding is a present tense word grounding indicates a process that is ongoing grounding is an action required at enclosures and equipment in electrical circuits from the source or service to the final outlets on the circuit it is accomplished by using an equipment. It follows the second half of the slides in that program. A formal approach wolter pieters, trajce dimkov and dusko pavlovic abstractsecurity policy alignment concerns the matching of security policies speci. Pervasive computing and environmental sustainability. This is not only due to its high degree of connectivity, but also its corrosion resistance.