<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The article considers the possibilities of saving the regenerative braking energy in Škoda 24Tr type trolleybuses by installing the onboard supercapacitor energy storage system (ESS) and improving its performance with automated switching to the autonomous traction mode. Proposed is an ESS control system with constant DC bus voltage in the supercapacitor charging mode and supercapacitor current proportional to the AC drive current in the discharging mode. The authors investigate stability of the trolleybus ESS control system operating together with AC traction drive in various overhead voltage failure modes. The co-simulation of ESS operation was done by Matlab/Simulink AC drive and PSIM ESS continuous models.</p></abstract>

The article considers the possibilities of saving the regenerative braking energy in Škoda 24Tr type trolleybuses by installing the onboard supercapacitor energy storage system (ESS) and improving its performance with automated switching to the autonomous traction mode. Proposed is an ESS control system with constant DC bus voltage in the supercapacitor charging mode and supercapacitor current proportional to the AC drive current in the discharging mode. The authors investigate stability of the trolleybus ESS control system operating together with AC traction drive in various overhead voltage failure modes. The co-simulation of ESS operation was done by Matlab/Simulink AC drive and PSIM ESS continuous models.

Simulation of Trolleybus Traction Induction Drive with Supercapacitor Energy Storage System

Riga Technical University, 1 Kronvalda Blvd., Rīga, LV-1010, LATVIA

Institute of Physical Energetics, 21 Aizkraukles Str., Rīga, LV-1006, LATVIA

Latvian Journal of Physics and Technical Sciences

The article considers the possibilities of saving the regenerative braking energy in Škoda 24Tr type trolleybuses by installing the onboard supercapacitor...

Simulation of Trolleybus Traction Induction Drive with Supercapacitor Energy Storage System

Published Online: Feb 10, 2011

Page range: 33 - 47

DOI: https://doi.org/10.2478/v10047-010-0023-0

This content is open access.