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AC and DC hybrid power router device and control method

A technology of AC/DC hybrid and control method, applied in the field of AC/DC hybrid power router device and control, can solve the problems of single form, inability to adapt to the access of distributed equipment, etc., to achieve the effect of expanding work scenarios

Pending Publication Date: 2020-04-28
XINXIANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER +1
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AI Technical Summary

Problems solved by technology

[0003] The existing power routers with solid-state transformers as the core can realize two-way flow as much as possible due to their topological structure. At the same time, they only have one AC interface and one DC interface. Distributed device access

Method used

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  • AC and DC hybrid power router device and control method
  • AC and DC hybrid power router device and control method
  • AC and DC hybrid power router device and control method

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Embodiment Construction

[0055] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] The embodiment of the present invention discloses an AC-DC hybrid power router device, see figure 1 As shown, the device includes a first bidirectional full-bridge DC converter 1 and a second bidirectional full-bridge DC converter 2; the first bidirectional full-bridge DC converter 1 includes a first full-bridge converter 11, an inductor L1, a first transformer T1 and the second full-bridge converter 12, the second bidirectional full-bridge DC converter...

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Abstract

The invention discloses an AC and DC hybrid power router device and a control method. A direct-current port of a first full-bridge converter is used for being connected into a middle-side direct-current bus; primary sides of a first transformer and a second transformer are respectively connected to an alternating-current port of the first full-bridge converter through inductors. An alternating-current port of the second full-bridge converter is connected with a secondary side of the first transformer, a direct-current port of the second full-bridge converter is used for being connected into afirst output side direct-current port, an alternating-current port of a third full-bridge converter is connected with a secondary side of the second transformer, and a direct-current port of the thirdfull-bridge converter is used for being connected into a second output side direct-current port. According to the invention, a three-port power router capable of voltage regulation is formed; six energy working modes can be provided, the working scene is greatly expanded, only the other side of the middle-side direct-current bus needs to be connected to the direct-current port, the device can beapplied to an AC and DC hybrid power scene, and the effective electrical connection of an alternating-current power distribution network, a high-voltage direct-current microgrid and a low-voltage direct-current microgrid can be realized.

Description

technical field [0001] The invention relates to the field of electric power internet of things, in particular to an AC / DC hybrid power router device and a control method. Background technique [0002] In the ubiquitous power Internet of Things, new energy will be connected to the future power system through power electronic equipment, so power electronic equipment will gradually occupy a dominant position. Compared with the traditional power system, the future power system will gradually tend to power electronics, with the advantages of strong controllability, high flexibility, fast dynamic response, and diversified functions. The integration of large-scale new energy equipment into the future power system will increase the complexity and control difficulty of the power system. These new energy equipment are divided into AC equipment and DC equipment according to the form of electric energy, and are divided into high-voltage equipment and low-voltage equipment according to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/68H02M7/797H02M3/335
CPCH02M3/3353H02M7/68H02M7/797
Inventor 刘远牛元泰王斌程启富李佳张蛟姚沫王新铭曲芳梁梦可唐洁瑜李刚郭玉天赵标王其鹏
Owner XINXIANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
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