China's railway has been experiencing rapid growth recently. The achievement of solar energy for the increasing electricity consumption in the rail sector attracts significant attentions. In this paper, the available solar energy on the covered land and trackside land in the rail itself is assessed for further utilization.
Photo: Getty Images China plans to have more of its public transport either powered by or generating solar energy, as the country looks to further decarbonise one of the world’s largest transport systems and boost its solar capacity to meet its carbon-neutral goals.
Last week, Shanghai’s municipal transport commission issued an implementation plan to promote the deployment of solar energy in the city’s transport sector, becoming the country’s first local government to do so.
This strategy can achieve a flexible current provision for both powering single-phase locomotives and feeding back to the three-phase grid. Finally, the solar-powered rail transportation contributes to a sustainable future of both the rail and solar energy sector and a win-win situation in both the economy and environment in China. 1. Introduction
Except for the railway tunnels, the available railway mileages for the integration of the solar power generation are decreased to 0.2 × 10 4 km in Zone I, 3.1 × 10 4 km in Zone II, 7.5 × 10 4 km in Zone III, and 1.1 × 10 4 km in Zone IV, respectively. Fig. 1. Distribution of railway networks and solar energy in China.
Then, a larger 10 MW solar power generation was installed on the canopy and rooftop of Hangzhou East Station and began operation in 2013 . These initial field trials demonstrate that the usage of the solar energy generation in the rail sector has a strong potential with the technological progress and cost reduction in the future.
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