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Direct current collection system of wave power generation device and control method and system of direct current collection system

A power generation device and wave energy technology, applied in the field of electric power, can solve the problems of high cost and poor stability, and achieve the effects of reducing construction cost, strong stability and simple control structure

Active Publication Date: 2022-03-15
GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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  • Application Information

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Problems solved by technology

[0004] The present application provides a DC power collection system of a wave energy power generation device and its control method and system, which are used to solve the technical problems of poor stability and high cost in the prior art

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  • Direct current collection system of wave power generation device and control method and system of direct current collection system

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Embodiment Construction

[0055] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is a part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0056] see figure 1 , a DC current collection system of a wave energy generating device provided in an embodiment of the present application, comprising:

[0057] n sub-modules (n is a positive integer), the sub-modules include: a diode, a high-frequency inductor, a low-voltage side half-bridge module formed by connecting the first switching tube and the second sw...

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Abstract

The invention discloses a direct current collection system of a wave power generation device and a control method and system of the direct current collection system, the direct current collection system comprises n sub-modules, and each sub-module comprises two half-bridge modules and a high-frequency inductor. The low-voltage sides of the sub-modules in the direct-current current collection system are dispersed and can be independently connected to the wave energy generator set; the high-voltage side sub-modules are connected in series and connected with a high-voltage direct-current network, high-voltage electric energy transmission is achieved, and the construction cost of the converter and the network structure thereof is effectively reduced. The invention further provides a control method and system of the direct-current current collection system, and series decoupling, independent control, power bidirectional flow and self-adaptive control of the wave energy generator set of the high-voltage side submodules are achieved. Therefore, the technical problems of poor stability and high cost in the prior art are solved.

Description

technical field [0001] The present application relates to the field of electric power technology, and in particular to a DC current collection system of a wave energy generating device and a control method and system thereof. Background technique [0002] Wave energy is a rich renewable marine resource with a series of characteristics such as large storage capacity, wide distribution space, and no pollution. Under the development background of "carbon peaking and carbon neutrality", the use of wave energy to generate electricity has broad applications prospect. The array floater wave energy power generation can absorb wave energy in different positions continuously and evenly by arranging multiple oscillating floats in an orderly array in a certain sea area, which better meets the requirements of large-scale and large-scale power generation. At present, it is an important direction for the research and development of large-scale wave energy generation devices. [0003] At ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J1/10H02J1/02
CPCH02J1/10H02J1/02Y02E60/60
Inventor 王红星梁崇淦刘石李铭钧段新辉刘志刚杨毅郭敬梅吴亦竹
Owner GUANGDONG ELECTRIC POWER SCI RES INST ENERGY TECH CO LTD
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