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Auxiliary circuit used for photovoltaic component

A photovoltaic module and auxiliary circuit technology, applied in photovoltaic power generation, circuit devices, battery circuit devices, etc., can solve the problem of inconvenient tracking of the maximum power point

Inactive Publication Date: 2017-07-18
ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide an auxiliary circuit for photovoltaic components, which overcomes the problem of inconvenient tracking of the maximum power point of photovoltaic components in the prior art, and realizes the maximum power point of photovoltaic components tracking, and achieves the discharge efficiency maximization

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  • Auxiliary circuit used for photovoltaic component

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Embodiment Construction

[0015] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0016] The invention provides an auxiliary circuit for a photovoltaic module, the auxiliary circuit includes: a supercapacitor, a DC / DC converter and a load; wherein, the input terminal of the supercapacitor is connected to the output terminal of the photovoltaic module to receive the output current ; The DC / DC converter is configured to be connected to the output terminal of the supercapacitor and the load, and when the supercapacitor is at the maximum power point of the photovoltaic module, the DC / DC converter obtains an equivalent The maximum power output by the photovoltaic module is delivered to the load.

[0017] Through the above-mentioned implementation...

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Abstract

The invention discloses an auxiliary circuit used for a photovoltaic component. The auxiliary circuit comprises a super capacitor, a DC / DC converter, and a load. The input end of the super capacitor is connected with the output end of the photovoltaic component in order to receive output current. The DC / DC converter is connected with the output end of the super capacitor and the load. When the super capacitor is at the maximum power point of the photovoltaic component, the DC / DC converter is used to acquire maximum power equal to the output of the photovoltaic component, and is used to convey the maximum power to the load. The auxiliary circuit used for the photovoltaic component is used to overcome the problem of the prior art of the inconvenient tracking of the maximum power point of the photovoltaic component, and the maximum power point tracking of the photovoltaic component is realized, and discharging efficiency maximization is realized.

Description

technical field [0001] The invention relates to the field of output control of photovoltaic components, in particular, to an auxiliary circuit for photovoltaic components. Background technique [0002] Under certain sunlight intensity and ambient temperature, the load impedance connected to the photovoltaic module is different, and the output power is different. It can be known from circuit theory that the output power of photovoltaic modules can reach the maximum value only when the connected load impedance is equal to the real-time best matching impedance of photovoltaic modules. Therefore, in the photovoltaic power generation system, to improve the overall efficiency of the system, an important way is to adjust the connected load impedance in real time so that it is always equal to the best matching impedance of the photovoltaic module. This process is called maximum power point tracking. . [0003] Nowadays, how to track the maximum power point of photovoltaic modules ...

Claims

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Application Information

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IPC IPC(8): H02J7/35H02J7/34
CPCH02J7/345H02J7/35Y02E10/56
Inventor 徐亚伟
Owner ANHUI TECHN COLLEGE OF MECHANICAL & ELECTRICAL ENG
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