Stray current characteristics of grounded, ungrounded, and diode grounded dc transit systems
Conference
·
OSTI ID:83088
- Parsons Brinckerhoff Quade and Douglas, Inc., Atlanta, GA (United States). Transportation Technologies Division
The rapid increase of D.C. powered transit systems around the world has lead to the emergence of three distinct types of operational modes, i.e. grounded, ungrounded, and diode grounded. Each of these modes results in widely varying amounts of stray current in systems using the running rails for negative return current. This paper discusses the advantages of each operational mode and the possible stray current effects on transit and adjacent utility structures.
- OSTI ID:
- 83088
- Report Number(s):
- CONF-940222--
- Country of Publication:
- United States
- Language:
- English
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