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A kind of photoelectric storage electrolytic power system and control method thereof

An electrolytic power supply and photovoltaic power generation system technology, applied in the field of photoelectric storage electrolytic power supply system and its control, can solve the problems of large electric energy conversion loss, reduced energy conversion efficiency, low energy utilization efficiency, etc. The effect of reducing power loss and maintaining stable power supply

Active Publication Date: 2022-06-21
HUNAN UNIV OF SCI & TECH +1
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  • Abstract
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Problems solved by technology

At present, electrolytic power supplies widely used in the production of electrolytic copper foil, electrolytic aluminum, electroplating and other enterprises have multiple power conversion links, resulting in large power conversion losses in electrolytic power systems
In addition, almost all existing photovoltaic power generation systems convert the output DC power into AC power and then send it to the grid, and then the electrical equipment converts the AC power into the form of power that meets their needs. link, the energy conversion efficiency is reduced, and the energy utilization efficiency is not high

Method used

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  • A kind of photoelectric storage electrolytic power system and control method thereof
  • A kind of photoelectric storage electrolytic power system and control method thereof
  • A kind of photoelectric storage electrolytic power system and control method thereof

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Embodiment Construction

[0025] A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] like figure 1 As shown, the topology of the photovoltaic storage electrolysis power system includes three parts: a photovoltaic power generation system 1, an energy storage battery pack 2 and a DC / DC converter 3, where the energy storage battery pack is composed of multiple energy storage battery units connected in series and parallel.

[0027] The photovoltaic power generation system 1 includes a photovoltaic cell array 11 and a Boost chopper circuit 12, the output terminal of the photovoltaic cell array is connected to the input terminal of the Boost chopper circuit.

[0028] The photovoltaic cell array 11 determines the total number of photovoltaic cell panels according to the total installed capacity of the user, determines the number of series connection of each group of photovoltaic cell panels according to the input-output voltag...

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Abstract

The present invention provides an optical storage electrolysis power supply system and a control method, comprising: a photovoltaic power generation system, which includes a photovoltaic cell array and a Boost boost chopper circuit, the output end of the photovoltaic cell array and the input end of the Boost boost chopper circuit connected; an energy storage battery pack, which includes a plurality of series-parallel connected energy storage battery units; a DC / DC converter, which includes a plurality of parallel-connected Buck circuit modules. In the present invention, the DC electric energy output by the photovoltaic power generation system is directly used in electrolytic copper foil, electrolytic aluminum, electroplating and other direct current power consumption enterprises after fewer electric energy conversion links, which can improve energy utilization efficiency and reduce production costs of enterprises.

Description

technical field [0001] The invention relates to the technical field of power supply systems, in particular to a power supply system for optical storage electrolysis and a control method thereof. Background technique [0002] With the acceleration of social and economic development, global energy consumption is increasing, how to make full use of clean energy such as photovoltaic power generation and improve the power conversion efficiency of electrical equipment is becoming more and more important. At present, electrolytic power supplies widely used in the production of electrolytic copper foil, electrolytic aluminum, electroplating and other enterprises have multiple power conversion links, resulting in large power conversion losses in electrolytic power systems. In addition, almost all existing photovoltaic power generation systems convert the output DC power into AC power and then send it to the grid, and then the electrical equipment converts the AC power into the form o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/35H02J7/00H02M3/156
CPCH02J7/35H02M3/156H02J2207/20Y02P80/20
Inventor 肖华根丁士启陆冰沪王同夏旭光周杰
Owner HUNAN UNIV OF SCI & TECH
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