Study of Resonances in 1X25 kV AC Traction Systems With External Balancing Equipment
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Study of Resonances in 1X25 kV AC Traction Systems With External Balancing EquipmentData de publicació
2016-10Editor
IEEECita bibliogràfica
MESBAHI, Nadhir; MONJO, Lluis; SAINZ, Luis. Study of Resonances in 1x25kV AC Traction Systems With External Balancing Equipment. IEEE Transactions on Power Delivery Volume 31, Issue 5, Oct. 2016: pp. 2096 - 2104Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://ieeexplore.ieee.org/document/7359153/?arnumber=7359153&tag=1Paraules clau / Matèries
Resum
AC traction systems are 1 × 25 or 2 × 25 kV/50 Hz single-phase, nonlinear, time-varying loads that can cause power-quality problems, such as unbalanced or distorted voltages. To reduce unbalance, external balancing ... [+]
AC traction systems are 1 × 25 or 2 × 25 kV/50 Hz single-phase, nonlinear, time-varying loads that can cause power-quality problems, such as unbalanced or distorted voltages. To reduce unbalance, external balancing equipment is usually connected to these systems, forming the Steinmetz circuit. Parallel resonances can occur in these types of circuits, exciting the harmonic emissions (below 2 kHz) of railway-adjustable speed drives. This paper studies these resonances at pantograph terminals and provides analytical expressions to determine their harmonic frequencies. The expressions are validated from several traction systems in the literature and PSCAD simulations. [-]
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IEEE Transactions on Power Delivery Volume 31, Issue 5, Oct. 2016Drets d'accés
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