Development, Testing And Implementation Of
The Pantograph Damage Assessment System
(PANDAS)
Author(s)
A. Daadbin & J. Rosinski
Abstract
Pantograph failures due to complex interactions between the overhead line
(OHL) and pantograph structure cause significant problems to the railway
industry worldwide. Despite many efforts undertaken worldwide, no successfully
implemented pantograph monitoring system has, up until now, been introduced
for long-term operation on routinely operating trains.
This paper describes the development, design and test results from the first
fully proven Pantograph Monitoring System, which is now deployed on routinely
operating trains in the UK.
The system uses two subcomponents: the Digital Processing Module (DPM),
which is directly clamped on the live 25kV pantograph structure, and the
Receiving Signal and Relay Unit (RSRU) which is installed in a secure location
inside the carriage. A pantograph mounted unit is interfaced with the
accelerometers that are attached in vicinity of the carbon strip. The DPM uses
Bluetooth communication to report any unexpected events to the RSRU. The
DPM has an on-board GPS module and acquires and stores time domain data
corresponding to the 100 highest events captured during daily train operation.
The data is downloaded to the RSRU on a daily basis. Any high alarm events are
instantaneously transferred to the train to warn the operator and the control
centre about potentially a harmful event that requires immediate attention. The
‘hot spots’ caused by the overhead line are mapped and trended to allow
successful implementation of predictive maintenance of the OHL. The system
uses the GPRS mobile network to allow instantaneous access and remote
interrogation from any location worldwide.
Keywords
pantograph failure, monitoring system, condition monitoring, Bluetooth communication
Related Book
Other papers in this volume
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