하이브리드 에너지 저장장치를 탑재한 무가선 트램의 전력분배전략Power Distribution Strategy for Wireless Tram with Hybrid Energy Storage System
- Other Titles
- Power Distribution Strategy for Wireless Tram with Hybrid Energy Storage System
- Authors
- 강경진; 오용국; 이지호; 염민규; 곽재호; 이형철
- Issue Date
- Nov-2014
- Publisher
- Korean Institute of Electrical Engineers
- Keywords
- Battery system; Energy storage system; HESS; Hybrid tram; Ultra-capacitor
- Citation
- Transactions of the Korean Institute of Electrical Engineers, v.63, no.11, pp.1615 - 1621
- Indexed
- SCOPUS
KCI
- Journal Title
- Transactions of the Korean Institute of Electrical Engineers
- Volume
- 63
- Number
- 11
- Start Page
- 1615
- End Page
- 1621
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143975
- DOI
- 10.5370/KIEE.2014.63.11.1615
- ISSN
- 1975-8359
- Abstract
- A wireless tram which runs without catenary and instead uses batteries installed in the tram has been recently researched actively. This paper presents a new method maximizing absorption of regenerative energy of a wireless tram and extending life cycle of the energy storage device in the wireless tram by applying line-optimized charging and discharging scenario. Energy efficiency and life cycle of energy storage system (ESS) are highly dependent on the characteristic of operating conditions. For example, frequent charge and discharge with high power cause the problems that decrease the battery life cycles. Hybrid energy storage system (HESS) is combination of two ESSs which have complementary characteristics to each other. HESS can provide even better functionality and performance than the battery only ESS due to the synergy effect of two ESSs. This paper also provides a power distribution strategy and driving scenarios which increase the life cycle and energy efficiency of the HESS consisting of a battery and an ultra-capacitor. The developed strategy was tested and verified by a hardware-in-the-loop-simulation (HILS) system which emulates the a wireless tram.
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