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Solar MPPT boosting device

A technology of booster device and solar energy, applied in the field of solar energy, can solve the problems of increasing the difficulty of welding and production, increasing the spacing of cell strings, affecting the stability of the system, etc., achieving the effect of small size, reducing production difficulty and improving stability

Active Publication Date: 2021-03-16
武汉美格科技股份有限公司
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Problems solved by technology

[0003] In addition, due to the lack of MPPT modules in the existing micro market, the general existing solution is to increase the number of solar energy connected in series to obtain a higher system voltage to meet the needs of users, which not only increases the difficulty of welding and production, but also increases the battery life. On the other hand, too many serial numbers will affect the stability of the system (all units in series, as long as one of them is damaged, the system will fail)

Method used

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] figure 1 It is a schematic diagram of an existing MPPT controller. The existing MPPT controller is generally composed of three parts: DC / DC converter, MCU maximum power tracker, and PWM controller. The MCU captures and compares the output power of solar panels under different output voltages by sampling the solar output voltage and current, and compares and calculates The best working voltage is obtained, and the working voltage of the solar panel is adjusted by adjusting the PWM pulse width, so as to maintain the maximum output power of the solar panel.

[0022] figure 2 It is a schemat...

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Abstract

The invention discloses a solar MPPT boosting device. The device comprises a solar cell panel, an energy storage module, a voltage stabilizing module, a boosting module, a filtering module and a load.Thus, the working voltage of the solar cell panel is kept within a constant range, the solar cell panel works near the maximum power point, and the solar MPPT boosting device is small in size, can beconveniently installed on a small solar panel, reduces the number of series connection, and lowers production difficulty.

Description

technical field [0001] The invention relates to the field of solar energy, in particular to a solar MPPT booster. Background technique [0002] Such as figure 1 As shown, the existing MPPT controller is generally composed of DC / DC converter, MCU maximum power tracker, and PWM controller. MCU captures and compares the output power of solar panels under different output voltages by sampling the output voltage and current of solar panels. And compare and calculate the optimal working voltage, and adjust the working voltage of the solar panel by adjusting the PWM pulse width, so as to maintain the maximum output power of the solar panel. [0003] In addition, due to the lack of MPPT modules in the existing micro market, the general existing solution is to increase the number of solar energy in series to obtain a higher system voltage to meet the needs of users, which not only increases the difficulty of welding and production, but also increases the battery life. On the other ...

Claims

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Application Information

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IPC IPC(8): H02M3/156H02J7/35G05F1/67
CPCH02M3/156H02J7/35G05F1/67Y02E10/56
Inventor 邱旭东桂裕鹏
Owner 武汉美格科技股份有限公司
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