Control and design considerations for wheel mounted drive of tram: Interesting features offered by IPMSM technology

Uzel, David; Peroutka, Zdeněk

doi:10.1109/epepemc.2010.5606809

Cited by 9 publications

(2 citation statements)

References 4 publications

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“…Additionally, the high torque offered by PMSMs makes a direct drive configuration (gearless) easier to implement, which can further reduce energy losses, mass and noise emissions [96,97]. A major drawback of synchronous motors is, however, the need for dedicated inverters [98][99][100], which raises the investment cost. PMSM is a commercially available technology that has been successfully verified in urban rail applications.…”

Section: Reducing Losses In On-board Traction Equipmentmentioning

confidence: 99%

A systems approach to reduce urban rail energy consumption

González-Gil

Palacín

Batty

et al. 2014

Energy Conversion and Management

391

190

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There is increasing interest in the potential of urban rail to reduce the impact of metropolitan transportation due to its high capacity, reliability and absence of local emissions. However, in a context characterised by increasing capacity demands and rising energy costs, and where other transport modes are considerably improving their environmental performance, urban rail must minimise its energy use without affecting its service quality. Urban rail energy consumption is defined by a wide range of interdependent factors; therefore, a system wide perspective is required, rather than focusing on energy savings at subsystem level. This paper contributes to the current literature by proposing an holistic approach to reduce the overall energy consumption of urban rail. Firstly, a general description of this transport mode is given, which includes an assessment of its typical energy breakdown. Secondly, a comprehensive appraisal of the main practices, strategies and technologies currently available to minimise its energy use is provided. These comprise: regenerative braking, energy-efficient driving, traction losses reduction, comfort functions optimisation, energy metering, smart power management and renewable energy micro-generation. Finally, a clear, logical methodology is described to optimally define and implement energy saving schemes in urban rail systems. This includes general guidelines for a qualitative assessment and comparison of measures alongside a discussion on the principal interdependences between them. As a hypothetical example of application, the paper concludes that the energy consumption in existing urban rail systems could be reduced by approximately 25-35% through the implementation of energy-optimised timetables, energy-efficient driving strategies, improved control of comfort functions in vehicles and wayside energy storage devices.

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Section: Reducing Losses In On-board Traction Equipmentmentioning

confidence: 99%

A systems approach to reduce urban rail energy consumption

González-Gil

Palacín

Batty

et al. 2014

Energy Conversion and Management

391

190

View full text Add to dashboard Cite

show abstract

“…The wound rotor has higher inductance in the d-axis then the q-axis Lsd > Lsq (In the d-axis, the salient pole iron of the rotor has higher magnetic conductivity than the air gap in the q-axis), therefore the positive d-axis current has to be used for the reluctance utilization for the increasing of the total moment. As the surface permanent magnet synchronous motors (PMSMs) are controlled [3], [4], [5] the first idea how to optimally operate these wound motor is to keep the d-axis stator current to be zero up to the base speed, but it usually was not common even thirty years ago [6], [7], [8], [9]. The most utilized strategy is to orient the vector control on stator or magnetic flux linkage, where the field rotor current is higher than nominal and the d-axis stator current is negative.…”

Section: Introductionmentioning

confidence: 99%