Numerous advantages are attributed to grounded systems, including greater safety, freedom from excessive system overvoltages that can occur on ungrounded systems during arcing, resonant or nearresonant ground faults, and easier detection and location of ground faults when they. Recognized as an american national standard ansi ieee std 1421991 revision of ieee std 1421982 ieee recommended practice for grounding of industrial and commercial power systems sponsor power systems engineering committee of the ieee industry applications society approved june 27, 1991 ieee standards board approved december 9, 1991. Ieee std 1421991, recommended practice for grounding of industrial and commercial power systems green book, ieee std 11002005, and the international association of electrical inspectors soares book on grounding, edition 9. Ieee std 2411990, ieee recommended practice for electric power systems incommercial buildings ieee gray book. Ieee standard 142 1991, recommended practice for grounding of industrial and commercial power systems, aka the green book. Ieee std 1421982, ieee recommended practice for grounding of industrial and commercial power systems the ieee green book institute of electrical. Ieee standard 1421991, recommended practice for grounding of industrial and commercial power systems, aka the green book. This book is a revision of ieee std 1421991, the ieee green book. Recognized as an american national standard ansi ieee std 1421991 revision of ieee std 1421982 ieee recommended practice for grounding of. For commercial and industrial substations including cell site and telecommunications sites the recommended resistance to ground is 5 ohms or less. The ieee green book is a useful reference tool that every practicing electrical. These standards are prepared by the industrial and commercial power systems department of the ieee industry applications society.
Ieee 142 recommended practice for grounding of industrial and. Ieee guide for safety in ac substation grounding ieee std. 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. Published by theinstitute of electrical andelectronics engineers, inc. Whether youve loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. Update on plenumrated ground wire cabling installation. Ieee recommended practice for grounding of industrial and. Cell site grounding and telecommunications grounding. Ieee 1422007 ieee recommended practice for grounding of industrial and commercial power systems. Ieee std 11001992, ieee recommended practice for powering and grounding sensitive electronic equipment ieee emerald book. Ieee std 142 2007 green book grounding of industrial and commercial power systems. Ieee recommended practice for grounding of industrial and commercial power systems. This site is like a library, you could find million book here by using search box in the header.
Ieee std 2421986, ieee recommended practice for protection and coordination ofindustrial and commercial. Ieee std 1421991, ieee recommended practice for grounding of industrial andcommercial power systems ieee green book. Ieee std 2422001 buff book recommended practice for protection and coordination of industrial and commercial power systems 8. In this instance, copper oxide runoff during rain events is of no consequence. Ieee std 1421982, ieee recommended practice for grounding of. Ieee std 2422001 recommended practice for protection and.
Ieee std 142 2007 ieee recommended practice for grounding of industrial and commercial power systems green book 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. Ieee std 519, ieee recommended practices and requirements for harmonic control in electric power. Power quality standards pacific gas and electric company. Ieee 142 1991 is nearly twice the size of its predecessor. Ieee recommended practice for powering and grounding electronic equipment. Standards about grounding practices of electrical systems. The ieee green book is a useful reference tool that every practicing electrical engineering should have access to.
Ieee std 1422007 recommended practice for grounding of industrial and commercial power systems. Ieee std 2422001 recommended practice for protection and coordination of industrial and commercial power systems ieee industry applications society. This recommended practice has served electrical engineers seeking. This standard is a very useful resource and is recommended that all practicing. According to the ieee std 1421991 and ieee std 1422007 the green book, the communication tower grounding electrode resistance of large electrical. Ieee std 1421991 revision of ieee std 1421982 ieee. The objective of this book is to present the fundamentals of reliability analysis applied to the planning and design of industrial and commercial electric power distribution systems.
According to the ieee std 1421991 and ieee std 1422007 the green book, the communication tower grounding electrode resistance of large electrical substations should be 1 ohm resistance or less. Ieee std 142 1991 green book recommended practice for grounding of industrial and commercial power systems 1. Recognized as an american national standard ansi ieee std 1421991 revision of ieee std 1421982 ieee recommended practice for grounding of industrial and commercial power systems sponsor power systems engineering committee. Pdf ieee standard 1421991 the green book vicente martinez. Ieee std 1421991 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. Ieee std 2411990 gray book electric power systems in commercial buildings.
The building consist of one module on steel pillings. Without standards, you are unlikely to achieve a good grounding scheme. Ieee1421991 is nearly twice the size of its predecessor. Ieee std 1422007 ieee recommended practice for grounding of industrial and commercial power systems green book 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. The zerosequence reactance has the lowest value, and the positive sequence reactance varies as a function of time. Observations on supplemental grounding and bonding. Ieee guide for protective relay applications to transmission lines, power systems relaying committee psrc, ieee std c37. This recommended practice has served electrical engineers seeking electrical system grounding information since the first edition in 1956. This ieee standars product is part of the color books family.
Recognized as an american national standard ansi ieee. Ieee std 4461995 orange book emergency and standby power. Ieee std 1421991, also known as the ieee green book, covers some of the practical aspects of grounding, such as equipment grounding. It reflects the experience and sound judgment of a working group made up of engineers active in the design and operation of electrical. According to the ieee std 142 1991 and ieee std 142 2007 the green book, the communication tower grounding electrode resistance of large electrical substations should be 1 ohm resistance or less. Ieee std 1421991 revision of ieee std 1421982 ieee recommended practice for grounding of industrial and commercial power systems sponsor power systems engineering committee of the ieee industry applications society approved june 27, 1991 ieee standards board approved december 9, 1991 american national standards institute. Ieee std 1421991 green book recommended practice for grounding of industrial and commercial power systems 1. Presents a thorough investigation of the problems of grounding and the methods for solving these problems. Grounding of industrial and commercial power systems a pdh. Ieee 142 recommended practice for grounding of industrial.
Ieee std 2422001 buff book protection and coordination. Ieee std 1421991 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 ieeesa standards board. Ieee red book ieee std 1411993, ieee green book ieee std 1421991, ieee gray book ieee std 2411990, ieee buff book ieee std 2422001, ieee brown book ieee std 3991997, ieee orange book ieee std 4461995, ieee gold book ieee std 4932007, ieee violet book ieee std 5512006, ieee white book ieee std 6022007. Fortunately, ieee 142 is a solid foundation on which to build your grounding system. The recommended practice, commonly known as the ieee green book is intended as a practical guide for engineers and designers that are responsible for the design of grounding systems in industrial and commercial facilities. Grounding of industrial and commercial power systems ieee green book institute of. There is a separate chapter for grounding sensitive equipment. Ieee std 4461995 orange book emergency and standby. Ieee recommended practice for powering and grounding. Ieee 493 recommended practice for the design of reliable.
Ieee std 142 1991 revision of ieee std 142 1982 ieee recommended practice for grounding of industrial and commercial power systems sponsor power systems engineering committee of the ieee industry applications society approved june 27, 1991 ieee standards board approved december 9, 1991 american national standards institute. Ieee std 142 1991 green book recommended practice for grounding of industrial and commercial power systems. 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. Ieee std 1422007 revision of ieee std 1421991 ieee. The copper oxide that will develop serves to protect the underlying copper. Fortunately, ieee142 is a solid foundation on which to build your grounding system. Ieee std 1422007 green book grounding of industrial and. Apr 02, 2015 ieee standard 11002006 ieee emerald book. Ieee std 1411993, ieee recommended practice for electric power. Ieee std 142 2007 revision of ieee std 1421991 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 ieeesa standards board. Advantages and disadvantages of different types of. When the chemical composition of the soil is unknown in the absence of soil testing, it is the users choice to stipulate tinning. To reduce the arc blast or flash hazard to personnel who may have accidentally caused or. Ieee std 2411990, ieee recommended practice for electric power systems in commercial buildings ieee gray book.
Ieee 1421991 is nearly twice the size of its predecessor. Ieee red book ieee std 1411993, ieee green book ieee std 142 1991, ieee gray book ieee std 2411990, ieee buff book ieee std 2422001, ieee brown book ieee std 3991997, ieee orange book ieee std 4461995, ieee gold book ieee std 4932007, ieee violet book ieee std 5512006, ieee white book ieee std 6022007, ieee bronze book. Ieee std 1421991, ieee recommended practice for grounding of industrial and commercial power systems ieee green book. Ieee std 2411990, ieee recommended practice for electric power systems in commercial buildings. This recommended practice has served electrical engineers seeking electrical system grounding information since the first edition. Ieee standard 1421991, recommended practice for grounding of industrial and. Recognized as an american national standard ansi ieee std 7391995. September 1982 ieee recommended practice for grounding of industrial and commercial power systems ieee green book.
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