DC Frame Fault and Ground Fault Field Testing on TriMet Portland Light Rail System

Until recently, TriMet traction power substations (TPSs) utilized a low resistance grounding system for the dc switchgear and rectifier equipment enclosures. The TPS negative bus was connected to a dc ground mat through a grounding diode. In addition to the basic dc overcurrent and rate-of-rise rela...

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Hauptverfasser:	Pham, Kinh D., Heilig, Thomas, Looijenga, Kai, Ramirez, Xavier
Format:	Tagungsbericht
Sprache:	eng
Online-Zugang:	Volltext
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