
【国外标准】 IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems Part I--Introduction
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- IEEE C62.92.1-1987
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The purpose of this guide and subsequent revisions to IEEE Std 143-1954 [8]1 is to present some basic considerations for the selection of neutral grounding parameters that will provide for the control of ground-fault current and overvoltage on all portions of three-phase electric utility systems. Particular attention is given to five discrete areas of the electric utility system and they are subdivided in Parts II through V.2 In these five areas of the utility system, there are certain common… read more considerations, but also there are unique ones that have led to the utilization of different ways of grounding. There is no one simple answer to the problem of grounding. Each of a number of solutions to a grounding problem has at least one feature that is outstanding, but which is obtained at some sacrifice of other features that may be equally worthy (see ANSI/IEEE Std 142-1982 [7], [8] and [10]). Various solutions will be discussed in Part II, through Part V for each of the five areas of the system. This part of the guide (Part I), provides considerations and definitions that are general to all types of systems read less
标准号:
IEEE C62.92.1-1987
标准名称:
IEEE Guide for the Application of Neutral Grounding in Electrical Utility Systems Part I--Introduction
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