NDLI: Safe Utilization of Existing Grounding Systems for Expansions and Upgrades of Substations

Content Provider	IEEE Xplore Digital Library
Author	Maynard, K. Mitolo, M. O'Reilly, D.
Copyright Year	1972
Abstract	Utilization of existing grounding systems for the expansions and upgrades of substations offers unique challenges. The identification of current conditions of grounding systems is crucial for safety and for the proper design of their expansions and/or upgrades, which may include the interconnection of an existing grid to a new one. It is also important to note that the evaluation of the conditions of existing substation ground grids may require personal protective equipment to be worn, as well as appropriate safety precautions. In this paper, the authors provide procedures to evaluate the prospective performance of existing grounding systems based upon measurements, as-built and/or contract drawings, site inspections, and examination of key grid points utilizing nonintrusive methods. Safety solutions that can be utilized during the construction phase of the project are also illustrated. A case study that addresses the upgrade of an existing grid is discussed. This paper seeks to clarify for practitioner engineers the problems and variables introduced by the work to be performed on older substation grounding systems. Readers will be provided with tools in compliance with applicable technical standards, which can assist in ensuring continued operation of the substation grounding system during construction.
Sponsorship	IEEE Industry Applications Society
Starting Page	5385
Ending Page	5389
Page Count	5
File Size	400063
File Format	PDF
ISSN	00939994
Volume Number	51
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Grounding Substations Soil Conductors Conductivity Safety Electrodes touch potential bond electrode expansion grounding soil safety step potential Bond
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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