Efficient wind-solar hybrid charging control system

A wind-solar complementary and charging control technology, applied in photovoltaic power generation, wind power generation, photovoltaic power stations, etc., can solve problems such as reducing system reliability, uneconomical efficiency ratio or cost performance, and increasing technical complexity

Inactive Publication Date: 2016-02-17
杨敏杰
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Problems solved by technology

However, the different characteristic curves of photovoltaic and wind power generation, as well as the mutual influence of wind turbine and photovoltaic, lead to the low output power of the whole system when the wind and light work at the same time; if the MPPT control of photovoltaic and wind power generation is performed separately, the technical complexity is increased. The reliability of the system is reduced, and its own loss is relatively large, which is uneconomical in terms of efficiency ratio and cost performance

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[0008] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. A preferred embodiment of the invention is shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0009] It should be noted that when an element is referred to as being “disposed” on another element, it may be directly on the other element or there may be an intervening element. When an element is said to be "connected to" another element, it can be directly connected to the other element, or intervening elements may also be present.

[0010] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the tec...

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Abstract

An MPPT controller namely highest power tracing is adopted in an existing wind-solar hybrid generation system. Due to different characteristic curves of photoelectricity and wind power generation and the interplay between a wind turbine and photoelectricity, the output power of the whole system is low in the wind-solar simultaneous working process; if photoelectricity and wind power generation are controlled in an MPPT mode, technological complexity is improved, reliability of the system is reduced, own loss is large, and both the efficiency ratio and the price performance ratio are low. Aiming at the factor, the efficient wind-solar hybrid charging control system is provided, according to the main purpose, wind power generation and photoelectricity are input into first-level energy storage, converged into second-level energy storage after signal adjustment is carried out and then applied, and therefore electric energy output by the wind-solar hybrid generation system is received and applied to the maximum.

Description

technical field [0001] The invention relates to the technical field of new energy control and application, in particular to a wind-solar complementary charging control system. Background technique [0002] At present, wind and solar hybrid power generation systems generally adopt MPPT controllers, that is, maximum power tracking. However, the different characteristic curves of photovoltaic and wind power generation, as well as the mutual influence of wind turbine and photovoltaic, lead to the low output power of the whole system when the wind and light work at the same time; if the MPPT control of photovoltaic and wind power generation is performed separately, the technical complexity is increased. The reliability of the system is reduced, and its own loss is relatively large, which is uneconomical in terms of efficiency ratio and cost performance. Contents of the invention [0003] Based on this, it is necessary to provide a high-efficiency wind-solar hybrid charging con...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00H02J7/35H02S10/12
CPCY02E10/56Y02E10/76
Inventor 杨敏杰
Owner 杨敏杰
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