Distributed networking photovoltaic grid-connected micro-inverter power generation system capable of predicting power

Abstract

The invention discloses a distributed networking photovoltaic grid-connected micro-inverter power generation system capable of predicting power, relates to the field of new energy power generation andmainly solves a technical problem that existing multiple micro-inverters cannot accurately predict the power. The system comprises a plurality of solar cell modules, the system further comprises a micro-inverter group, a wireless transmission network, an intelligent multi-unit networking energy management center, an Internet cloud and a user terminal, wherein a plurality of solar cell modules arerespectively and electrically connected with the micro-inverter group, the micro-inverter group is electrically connected with a public power grid and is in signal connection with the wireless transmission network, the wireless transmission network is in signal connection with the intelligent multi-unit networking energy management center, and the Internet cloud network is connected with the intelligent multi-unit networking energy management center and the user side. The system is advantaged in that the intelligent multi-unit networking energy management center adopts a deep learning algorithm to process power generation parameters, so power output parameters of the micro-inverter group in the future effective time can be accurately predicted.

Description

technical field [0001] The invention relates to new energy power generation, more specifically, it relates to a distributed grid-connected photovoltaic grid-connected micro-inverter power generation system with predictable power. Background technique [0002] When the traditional centralized inverter tracks the maximum power point, because it cannot take into account each photovoltaic cell, it is easy to cause mismatch loss, resulting in a decrease in system efficiency (especially under the influence of partial shading); in severe cases, it may even form hot spots , causing the photovoltaic array to burn, resulting in system damage. Photovoltaic grid-connected micro-inverters have the advantages of small size, long life, strong ability to resist local shading, high conversion efficiency, and safe use, and have become mainstream products in the photovoltaic grid-connected power generation market, especially in the distributed photovoltaic power generation market. However, it...

AI Technical Summary

Problems solved by technology

However, it is difficult to manage and monitor multiple micro-inverters in a unified manner, and the low level of intelligence restricts the further development of micro-inverters.

[0003] Due to the inability to accurately predict the output power of photovoltaic power generation, the intermittency and volatility of photovoltaic power generation have a great negative impact on the economical, safe and reliable operation of the power system

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