Power electronic transformer based on virtual grid flux orientation
A technology of power electronics and virtual flux linkage, applied in the field of power systems, can solve the problems that traditional transformers cannot meet the requirements of power grid transformation and users, cannot realize automatic operation of transformers, and cannot change the power factor of power grids, etc., so as to reduce the size of equipment and cost, saving voltage sensor, and reducing the number of switching tubes
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[0032] To further illustrate the various embodiments, the present invention is provided with accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with related descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are generally used to denote similar components.
[0033] The present invention will be further described in conjunction with the accompanying drawings and specific embodiments.
[0034] refer to figure 1 As shown, a power electronic transformer based on grid virtual flux linkage orientation in a preferred embodiment of the present invention includes a three-level rectifier 1 , an intermediate i...
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