A kind of electric ship charger multi-machine parallel constant voltage current sharing control method and device
A technology of electric ships and chargers, applied in battery circuit devices, electric vehicle charging technology, circuit devices, etc., can solve problems such as unfavorable charging current, large charging power, and increased system loss, and avoid circulating currents and uneven currents problem effect
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[0061] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings. It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concepts of the present invention.
[0062] figure 1 It is a schematic diagram of an electric ship charging system provided by an embodiment of the present invention.
[0063] Please refer to figure 1 , The DC side of the multiple chargers of the electric ship charging system is connected in parallel, connected to the battery of the electric ship, and the AC side is isolated by the transformer. When entering the charging end, in order to protect the battery, the charging vol...
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