Energy storage device management circuit for new energy power generation and control method thereof

Abstract

The invention provides an energy storage device management circuit for new energy power generation and a control method thereof, the control method comprises a charging control method and a discharging control method, and the discharging control method selects a super capacitors in a super capacitor group according to an expected output voltage value to form a series branch output voltage; when the difference between the expected output voltage value and the actual output voltage value of the super capacitor bank is larger than the average voltage value of the super capacitors and the number of the super capacitors of the series branch is smaller than the upper limit number b, one super capacitor output voltage is added to the series branch; and when the number of the super capacitors of the series branch reaches the upper limit number b, the super capacitor bank stops outputting the voltage. The output voltage value of the super capacitor bank can be adjusted, the output voltage of the super capacitor bank is effectively prevented from decreasing on the premise that the load capacity of the super capacitor bank is guaranteed, the load can consume electric energy stored in the super capacitor bank as much as possible, and then the output capacity and efficiency of the super capacitor bank are improved.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to a management circuit and control method of an energy storage device for new energy power generation. Background technique [0002] In recent years, with global warming, large-scale reduction of glaciers, and rising sea levels, people's awareness of environmental protection has gradually increased. Energy conservation and emission reduction have become a hot topic in the energy field. Environmentally friendly development has become a mainstream trend. Various new energy Technology developed rapidly during this period. [0003] Traditional energy relies on the combustion of fossil fuels. On the one hand, fossil fuels are non-renewable. On the other hand, the combustion of fossil fuels will emit sulfur compounds, carbon dioxide, and PM2.5, which cause greenhouse effects or are harmful to humans. New energy is the use of some renewable resources in nature, such as solar energy, ...

AI Technical Summary

Problems solved by technology

Compared with lithium batteries, supercapacitors have a long life and high power density, making them suitable for energy storage. However, with the release of electric energy, the lower the voltage across supercapacitors, the faster their voltage drops, which has a great impact on the load.

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