Research on the Suppression of Distribution Capacity Demand of the Tramway Intermittent Charging System

Yian Yan, Jiuchun Jiang, Weige Zhang, Caiping Zhang, Shaoyuan Wei, Xuyao Meng

Abstract


Modern tramway is widely used in metropolises all over the world for the economic and environmental advantages in recent years. The tram vehicles with onboard energy storage system is one of the most popular tramway mode, due to running without the catenary and safety. However, the charging power and distribution capacity demand have been a great challenge to the distribution network, especially in the heavy load area. This paper focused on the tram line with on-board surpercapacitors vehicles, presented an optimal charging strategy based on the characteristic analysis of the charging load and vehicles of a realistic tram line. And then, a model of stationary energy storage system was proposed to decrease the demand of distribution capacity further. A case study of an operated line was carried out, and the results show that the distribution capacity demand was decreased by 90.26% than former. The cost of basic electricity was substantially reduced at the same time.

Keywords


ESSs, charging strategy, operation optimization, on-board supercapacitor and charging topology


DOI
10.12783/dteees/iceee2018/27886

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