Double-alternating-current bus interval power supply type topological structure and control method thereof

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Double-alternating-current bus interval power supply type topological structure and control method thereof

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GAO XIN / ZHANG BAICHUAN / ZHU CHUNBO

The invention provides a double-alternating-current bus interval power supply type topological structure and a control method thereof. The topological structure comprises N sections of transmitting guide rails, and N is a positive integer greater than or equal to 2; the first inverter converts a direct-current power supply and then forms a first alternating-current bus through a first T-type compensation topology, and the second inverter converts the direct-current power supply and then forms a second alternating-current bus through a second T-type compensation topology. The odd emission guide rail is connected with the first alternating current bus through the odd switch; the even number transmitting guide rail is connected with the second alternating current bus through the even number switch, and when more transmitting coils exist, the connection mode is performed in the same manner. According to the topological structure provided by the invention, only two high-frequency inverters are used for supplying power to a plurality of transmitting guide rails, the number of inverter power supplies is reduced, and the size and the cost of the system are reduced. According to the transmitting guide rail switching control method provided by the invention, continuous switching of the transmitting guide rails can be realized, and the stability of the transmission power in the movement process of the receiving end is ensured.

本发明提出一种双交流母线间隔供电式拓扑结构及其控制方法。所述拓扑结构包括N段发射导轨，N为大于等于2的正整数；1号逆变器将直流电源变换后经1号T型补偿拓扑构建形成1号交流母线，2号逆变器将直流电源变换后经2号T型补偿拓扑构建形成2号交流母线；奇数号发射导轨通过奇数号开关与1号交流母线相连；偶数号发射导轨通过偶数号开关与2号交流母线相连，更多发射线圈时，连接方式依此类推。本发明提出的拓扑结构，实现了仅用两台高频逆变器为多个发射导轨供电，减少了逆变电源的数量，降低了系统体积和成本。本发明提出的发射导轨切换控制方法，能够实现发射导轨的连续切换，保证接收端运动过程中传输功率的稳定性。

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Title :

Double-alternating-current bus interval power supply type topological structure and control method thereof

Additional title:

一种双交流母线间隔供电式拓扑结构及其控制方法

Contributors:

GAO XIN (author) / ZHANG BAICHUAN (author) / ZHU CHUNBO (author)

Publication date :

2023-06-09

Type of media :

Patent

Type of material :

Electronic Resource

Language :

Chinese

Classification :

IPC:

B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen