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Paper Information

Journal:   INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)   2008 , Volume 19 , Number 10-1 (SUPPLEMENT ELECTRICAL, INDUSTRIES AND CIVIL ENGINEERING); Page(s) 1 To 9.
 
Paper: 

CONTROL OF RAIL POTENTIAL OF DC ELECTRIFIED RAILWAY SYSTEMS

 
 
Author(s):  NIASATI MOHSEN, GHOLAMI AHMAD
 
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Abstract: 

Most modern DC electrified railway systems use a totally floating earth as their grounding strategy. A well-known problem related with totally floating systems is that the touch potentials can be dangerously high. In order to reduce the voltages on rails, several devices exist. Most of these devices allow a direct connection to earth when a certain voltage threshold is exceeded. In this paper, the working principles of these devices are given and the effect of certain parameters related with these devices on the minimum achievable touch potentials is investigated.

 
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