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Solar photovoltaic control system with dynamic adjustable output of current and voltage

A solar photovoltaic, current and voltage technology, applied in the direction of generator/motor, photovoltaic power generation, system integration technology, etc., can solve the problems of MPPT efficiency difference, shorten charging time, increase photoelectric conversion efficiency, improve energy conversion and energy transmission efficiency effect

Inactive Publication Date: 2010-09-22
沈朝晖 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Using different software algorithms and control methods, the efficiency of MPPT is very different

Method used

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  • Solar photovoltaic control system with dynamic adjustable output of current and voltage
  • Solar photovoltaic control system with dynamic adjustable output of current and voltage

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Embodiment Construction

[0021] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Such as figure 1 As shown, the solar photovoltaic control system with dynamically adjustable current and voltage output of the present invention includes a solar photovoltaic cell assembly 1, a DC / DC module 2, a CPU (central processing unit) and an MPPT module 3 (including software), wired and / or wireless communication It is composed of a module 4 and a near-end universal interface 5. The solar photovoltaic cell assembly 1 can be one or more pieces, and the near-end universal interface 5 can be connected to display devices, indicator lights, voice control and other devices. CPU and MPPT module 3 are connected with DC / DC module 2, wired and / or wireless communication module 4 and solar photovoltaic cell assembly 1, and DC / DC module 2 is connected with CPU and MPPT module 3 and solar photovoltaic cell assembly 1, wired and / or Or...

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PUM

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Abstract

The invention discloses a solar photovoltaic control system with dynamic adjustable output of current and voltage, which comprises a CPU (Central Processing Unit), an MPPT (Maximum PowerPoint Tracking) module, a DC / DC module and a wired and / or wireless communication module, wherein the CPU and the MPPT module are connected with the DC / DC module, the wired and / or wireless communication module and a solar photovoltaic cell assembly; the DC / DC module is connected with the CPU, the MPPT module and the solar photovoltaic cell assembly; and the wired and / or wireless communication module is connected with a remote information terminal. The system enables the solar photovoltaic cell assembly and a grid-connection system to realize maximal photoelectric converting efficiency and maximal power transmission efficiency, not only to realize communication linkage with the external part, but also to work more efficiently according to the system requirement.

Description

technical field [0001] The invention relates to an electronic system, in particular to a solar photovoltaic control system with dynamically adjustable output of current and voltage. Background technique [0002] Solar energy is a clean and efficient renewable energy. The Maximum Power Point Tracking (MPPT for short) system is a system that adjusts the working conditions of solar cells so that the photovoltaic cells can always convert solar energy into electrical energy output to the greatest extent when the environmental conditions such as light intensity and temperature change. Technology. Using different software algorithms and control methods, the efficiency of MPPT varies greatly. Therefore, the market needs an MPPT module that can adapt to the actual outdoor photovoltaic power generation system requirements and environmental changes, so that it can be used in grid-connected or non-grid-connected photovoltaic systems. The MPPT module enables photovoltaic cells to maxi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N6/00H02J13/00
CPCY02E40/72H02J3/383Y04S10/123H02J13/0003Y02E10/563Y02B60/50H02J2300/24H02J3/381Y02E10/56Y02E40/70H02J13/00022H02J2300/26H02J13/00002H02J13/00016H02J1/12Y04S10/30Y04S40/124Y04S40/126Y02E60/00
Inventor 沈朝晖徐开勤
Owner 沈朝晖
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