mppt constant current control device

Abstract

The invention discloses an MPPT (Maximum Power Point Tracking) constant current control device, relates to the field of photovoltaic power generation, and aims to solve the problem of low photoelectric conversion efficiency in the prior art. The device comprises a shell, a voltage and current collector, an MPPT constant current control circuit, a boost-up circuit and an output interface, wherein the voltage and current collector, the MPPT constant current control circuit, the boost-up circuit and the output interface are arranged in the shell; the voltage and current collector and the boost-up circuit are connected with the MPPT constant current control circuit respectively; the boost-up circuit is connected with input voltage; the input voltage is boosted up according to a boost-up control signal transmitted by the MPPT constant current control circuit and then is output to the output interface; the MPPT constant current control circuit comprises a controller and a genetic algorithm-based control module; the controller is connected with the voltage and current collector and the boost-up circuit respectively; the genetic algorithm-based control module operates on the controller and is used for continuously calculating a maximum power point by using a forward learning and backward prediction mode.

Description

technical field [0001] The invention relates to the field of photovoltaic power generation, in particular to an MPPT constant current control device. Background technique [0002] In solar control, due to changes in environmental conditions (radiation intensity, module temperature, ambient temperature, shadow shading, hot spots, etc.), the maximum output power of photovoltaic modules is also changing at any time. However, in the prior art, the maximum output power of the photovoltaic module cannot be tracked, resulting in low photoelectric conversion efficiency of solar control. Contents of the invention [0003] The invention provides an MPPT constant current control device, which can improve the photoelectric conversion efficiency of solar control. [0004] The present invention solves the technical problem and adopts the following technical scheme: a kind of MPPT constant current control device, comprising: [0005] Shell, voltage and current collector, MPPT constant ...

AI Technical Summary

Problems solved by technology

However, in the prior art, the maximum output power of photovoltaic modules cannot be tracked, resulting in low photoelectric conversion efficiency of solar control

Images