并针对串联结构提出了自充电策略。

A new self-charging strategy of the series topology was also proposed and described.

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实验结果验证了该装置结构和自充电控制策略的有效性。

Experiment results show the validity of the topology and self-charging technique.

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好消息是，自2010年以来，成本已经降低，而且有越来越多的地方可以给汽车充电。

Good news is that the cost has been lower and there are more and more places for the cars to get electricity ever since 2010.

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