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IEEE 142-1982

Historical Revision

IEEE Grounding of Industrial Power Systems

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New IEEE Standard - Superseded. 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 advantages and disadvantages of grounded versus ungrounded systems are discussed. Information is given on how to ground the system, where the system should be grounded, and how to select equipment for the grounding of the neutral circuits. Connecting the frames and enclosures of electric apparatus, such as motors, switchgear, transformers, buses, cables conduits, building frames, and portable equipment, to a ground system is addressed. The fundamentals of making the interconnection or ground-conductor system between electric equipment and the ground rods, water pipes, etc. are outlined. The problems of static electricity—how it is generated, what processes may produce it, how it is measured, and what should be done to prevent its generation or to drain the static charges to earth to prevent sparking—are treated. Methods of protecting structures against the effects of lightning are also covered. Obtaining a low-resistance connection to the earth, use of ground rods, connections to water pipes, etc. is discussed. A separate chapter on sensitive electronic equipment is included.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 142
Publication Date Sept. 17, 1982
Language en - English
Page Count 135
Revision Level
Supercedes
Committee Industrial & Commercial Power Systems Standards Development Committee
Publish Date Document Id Type View
Nov. 30, 2007 142-2007 Revision
June 22, 1992 142-1991 Revision
Sept. 17, 1982 142-1982 Revision
Sept. 1, 1960 142-1956 Revision