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实用新型
CN201674404U 一种单相转三相的电源装置 失效 - 权利终止

一种单相转三相的电源装置
摘要：
本实用新型公开了一种单相变三相的电源装置，包括单相交流电源接入端、整流器、三相逆变器和三相交流电源输出端，所述单相交流电源接入端连接整流器，所述整流器将交流电压整流成直流电压输出至三相逆变器，再通过三相逆变器将直流电压逆变生成三相交流电压传输至所述的三相交流电源输出端。本实用新型的电源装置结构简单，输出电压稳定，安全可靠。将其应用在只能提供单相交流供电而不能提供三相交流供电的场合中，可以提供三相交流电源输出，从而满足了需要三相交流供电的负载的使用要求。尤其适合应用于农村的田间地头来为电动农机或者农具供电，以提高农民的农作效率。
摘要（英）：

The utility model discloses a power supply device converting single phase to three phases, which comprises a single-phase alternating-current power supply access end, a rectifier, a three-phase inverter and a three-phase alternating-current power supply output end. The single-phase alternating-current power supply access end is connected with the rectifier, the rectifier rectifying alternating-current voltage into direct-current voltage outputs the direct-current voltage to the three-phase inverter, the direct-current voltage is inverted into three-phase alternating-current voltage by the three-phase inverter, and the three-phase inverter transmits the three-phase alternating-current voltage to the three-phase alternating-current power supply output end. The power supply device has the advantages of simple structure, stable output voltage, safety and reliability. When applied in an occasion where only single-phase alternating-current power supplying is available without three-phase alternating-current power supplying, the power supply device can supply three-phase alternating-current power supply output so as to meet the use requirements of load needing the three-phase alternating-current power supplying, and is particularly suitable for application to power supplying for electric agricultural machinery or agricultural implements in rural fields so as to improve farming efficiency of peasants.

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