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IEEE C62.92.3
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IEEE C62.92.3 2012 Edition, December 5, 2012 Guide for the Application of Neutral Grounding in Electrical Utility Systems, Part III-Generator Auxiliary Systems
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Description / Abstract:
The scope of this project is to summarize the general
considerations in grounding of generating station auxiliary power
systems, the factors to be considered in selecting between the
appropriate grounding classes, and specifying equipment ratings.
This guide applies to both medium-voltage (1 kV-15 kV) and
low-voltage (less than 1 kV) auxiliary power systems. The intent of
this guide is to discuss grounding methods which may be used to
limit equipment damage. The emphasis is on reliability and
availability of auxiliary power system service, achieved through
control of ground-fault currents and transient overvoltages.
Purpose
The purpose of this guide is to present some basic considerations for the selection of neutral grounding parameters that will provide for the control of ground-fault currents and overvoltage on auxiliary systems of electrical utility three-phase generators. The purpose of this revision is to update 5.3 with current research on equipment damage, update all references, and to ensure no intrusion or overlap with IEEE Std 1584™.1,2
1 IEEE publications are available from The Institute of Electrical and Electronics Engineers, 445 Hoes Lane, Piscataway, NJ 08854, USA (http://standards.ieee.org/).
2 Information on references can be found in Clause 2.
Purpose
The purpose of this guide is to present some basic considerations for the selection of neutral grounding parameters that will provide for the control of ground-fault currents and overvoltage on auxiliary systems of electrical utility three-phase generators. The purpose of this revision is to update 5.3 with current research on equipment damage, update all references, and to ensure no intrusion or overlap with IEEE Std 1584™.1,2
1 IEEE publications are available from The Institute of Electrical and Electronics Engineers, 445 Hoes Lane, Piscataway, NJ 08854, USA (http://standards.ieee.org/).
2 Information on references can be found in Clause 2.