Centralized-distributed mixed novel energy power generation system and maximum power point tracking control method

Abstract

The present invention relates to the technical field of new energy power generation. A centralized-distributed hybrid new energy power generation system and a maximum power point tracking control method. The new energy power generation system consists of a plurality of distributed serially connected new energy power generation modules (100) and a centralized transformer (200). The new energy power generation module (100) consists of power generation equipment (101) and a direct current transformer (102). The maximum power point tracking control method comprises: the distributed power generation modules (100) and the centralized transformer (200) performing maximum power point tracking on the power generation equipment (101) at the same time, the new energy power generation modules (100) and the centralized transformer (200) performing maximum power point tracking on different parts of the output characteristic curve of the power generation module, respectively. The control method can enable the centralized transformer (200) and the power generation module (100) to work stably and reliably without communication present therebetween, the centralized transformer (200) automatically works in the optimal direct current bus voltage point, and the new energy power generation modules (100) at the same time enable each set of power generation equipment (101) to work at respective maximum power point, so that the system automatically implements the maximum power output.

Description

technical field [0001] The invention belongs to the technical field of new energy power generation, and specifically relates to a series module structure new energy power generation system and a centralized-distributed hybrid maximum power point tracking control method corresponding to the system. The invention is especially suitable for photovoltaic power generation grid-connected power generation systems and Thermoelectric power generation system, etc. Background technique [0002] The development and utilization of new energy generation technologies such as solar energy and thermoelectricity are important measures to deal with energy and environmental crises. Due to the high cost of new energy power generation equipment and low energy conversion efficiency, the cost of power generation has been greatly increased, which limits the promotion and application of new energy power generation technology. The application background of the present invention will be described belo...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of high cost and low energy conversion efficiency of existing new energy power generation systems, the present invention provides a centralized-distributed hybrid new energy power generation system, and also provides a centralized-distributed new energy power generation system for distributed series module new energy power generation systems Distributed Hybrid Maximum Power Point Tracking Control Method

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