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A mppt solar controller

A solar controller and boost control technology, applied in the direction of conversion equipment without intermediate conversion to AC, can solve the problems of low work efficiency, high heat, etc., and achieve the effect of reducing product cost and high withstand voltage requirements

Active Publication Date: 2016-08-24
SHENZHEN JINSDON LIGHTING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the shortcomings of current MPPT solar controllers that generate high heat and low work efficiency due to the isolation transformer.

Method used

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  • A mppt solar controller
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Embodiment Construction

[0029] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings and examples, so as to fully understand and implement the process of how to apply technical means to solve technical problems and achieve technical effects in the present invention. The embodiments of the present application and the combinations of the various features in the embodiments without conflict are within the protection scope of the present invention.

[0030] Such as figure 1 and figure 2 As shown, the MPPT solar controller of the embodiment of the present application mainly includes a boost circuit 10, an input sampling circuit 20, an output sampling circuit 30, a high frequency switch circuit 40, a constant current output control circuit 50, and an output interface 60, etc.

[0031] The boost circuit 10 connects the input voltage, boosts the connected input voltage according to the boost control signal sent by the constant current ou...

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Abstract

The invention discloses a MPPT (Maximum Power Point Tracking) solar controller, which overcomes defects that high heat is generated during the working process and the working efficiency is low as the current MPPT (Maximum Power Point Tracking) solar controller includes an isolation transformer. According to the controller, a boosting circuit carries out boosting on an input voltage according to one boosting control signal and constant current output is then carried out, a high frequency switch circuit receives a driving signal and sends a current feedback signal to a constant current output control circuit, and when an output sampling voltage is not higher than a reference voltage, the constant current output control circuit sends a boosting control signal to the boosting circuit and sends a driving signal to the high frequency switch circuit according to the input sampling voltage and the current feedback signal. According to the embodiment of the invention, high heat is not generated during the working process, and no high cooling demands is needed for the product.

Description

technical field [0001] The invention relates to a solar controller, in particular to an MPPT solar controller. Background technique [0002] The maximum power point tracking (MPPT) solar controller can detect the maximum output power of the solar panel in real time, and track the highest voltage and current value (VI), so that the system can charge the battery with the highest efficiency. [0003] At present, the photovoltaic power generation step-up technology with MPPT is output after being boosted by the isolation transformer. However, the isolation transformer has a large volume, and the windings need to be wrapped with insulating glue. In addition, the isolation transformer will generate a lot of heat when it is working, so it has high requirements for the heat dissipation of the MPPT solar controller. Moreover, the withstand voltage requirements for other components in the MPPT solar controller are also relatively high. Contents of the invention [0004] The techn...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M3/04
Inventor 汤志岳
Owner SHENZHEN JINSDON LIGHTING TECH CO LTD
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