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发明授权
CN105226628B 一种直流配电系统 有权

一种直流配电系统
摘要：
本发明公开了一种直流配电系统，包括至少一个直流配电子系统和新能源配电子系统，直流配电子系统和新能源配电网子系统均与直流母线连接。直流配电子系统包括：换流站和直流开关；新能源配电子系统包括：直流变压器和直流开关。其中，直流开关均与直流母线连接。通过换流站和直流开关将交流配电网的电能转换为直流电，且通过直流变压器和直流开关将新能源配电网的电能转为直流电，最终通过直流母线输送电能。相对于现有技术中的交流配电系统而言，本系统能够实现将新能源配电网平滑接入，并且该系统可以包括多个直流配电子系统，这样可以扩展。
摘要（英）：

The invention discloses a DC power distribution system which comprises at least one DC power distribution subsystem and a new energy power distribution subsystem, wherein the DC power distribution subsystem and the new energy power distribution subsystem both are connected with a DC bus; the DC power distribution subsystem comprises a convertor station and a DC switch; the new energy power distribution subsystem comprises a DC transformer and a DC switch, and the DC switch is connected with the DC bus; and electric energy of an AC power distribution grid is converted to a DC current by the convertor station and the DC switch, electric energy of the new energy power distribution grid is converted to a DC current by the DC transformer and the DC switch, and finally, the electric energy is transmitted through the DC bus. Compared with an AC power distribution system in the prior art, the system has the advantages that the new energy power distribution grid can be smoothly accessed, and moreover, the system can comprise a plurality of DC power distribution subsystems so as to be expanded.

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