Hybrid microgrid system and control method thereof
A control method and micro-grid technology, applied in the direction of electrical components, AC network load balancing, single-network parallel feeding arrangement, etc., can solve the problems of inability to achieve a high proportion of local consumption of distributed energy, singleness and imperfect control methods, Reduce the flexibility of system operation and other issues, to achieve the effect of improving utilization efficiency and local consumption efficiency, reducing the number of converters, and improving efficiency
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[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0020] figure 1 It is a schematic structural diagram of a hybrid microgrid system provided by the embodiment of the present invention. This embodiment is applicable to the situation of connecting a DC subnet and an AC subnet, such as figure 1 As shown, the hybrid microgrid includes:
[0021] Central control unit 1, bidirectional DC / AC converter 3, bidirectional DC / DC converter 41, battery 43, DC subnet and AC subnet, central control unit 1 and bidirectional DC / AC converter 3, bidirectional The DC / DC converter 41...
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