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公开(公告)号：US12017539B2
公开(公告)日：2024-06-25
申请号：US18031897
申请日：2021-05-24
发明人： Donghua Wu , Yanxiao Lei , Zhiqiang Zhang , Yunfei Wang , Xinmai Gao
摘要： A voltage control method. A train traveling speed can be acquired; a target transformation ratio corresponding to the train traveling speed is determined according to correspondences between train traveling speeds and transformation ratios, the transformation ratio being a ratio of an input voltage to an output voltage; an input voltage is then transformed according to the target transformation ratio to obtain an output voltage, the output voltage being used for driving a train to travel. The correspondences between train traveling speeds and transformation ratios are obtained according to correspondences between train traveling speeds and train traction forces at different transformation ratios. By means of the method, the most suitable transformation ratio can be provided according to a traveling speed of a maglev train, thereby increasing the traction force of the maglev train and improving running efficiency.
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