DOI QR코드

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Development of a Novel Charging Algorithm for On-board ESS in DC Train through Weight Modification

Jung, Byungdoo;Kim, Hyun;Kang, Heechan;Lee, Hansang

  • 투고 : 2014.05.30
  • 심사 : 2014.09.04
  • 발행 : 2014.11.01

초록

Owing to the reduction in the peak power of a DC railway subsystem, many studies on energy storage system (ESS) applications have received attention. Each application focuses on improving the efficiency and addressing regulation issues by utilizing the huge regenerative energy generated by braking-phase vehicles. The ESS applications are widely divided into installation on a vehicle or in a substation, depending on the target system characteristics. As the main purpose of the ESS application is to reduce the peak power of starting-phase vehicles, an optimized ESS utilization can be achieved by the operating at the highest peak power section. However, the weight of an entire vehicle, including those of the passengers, continuously changes during operation; thus, considering the total power consumption and the discharging point is difficult. As a contribution to the various storage device algorithms, this study deals with ESS on board vehicles and introduces an ESS operating plan for peak-power reduction by investigating the weight of a train on a real-time basis. This process is performed using a train-performance simulator, and the simulation accuracy can be increased because the weight in each phase can be adopted in the simulation.

키워드

DC electric railway;Energy storage system;Regenerative energy;Braking power;Train performance

참고문헌

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피인용 문헌

  1. Adaptive Curtailment Plan with Energy Storage for AC/DC Combined Distribution Systems vol.8, pp.12, 2016, https://doi.org/10.5370/JEET.2014.9.6.1795
  2. Optimal energy saving in DC railway system with on-board energy storage system by using peak demand cutting strategy vol.25, pp.4, 2017, https://doi.org/10.5370/JEET.2014.9.6.1795

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea(NRF)