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Hybrid solar power generation system

A power generation system and solar energy technology, applied in photovoltaic power generation, collectors, electric vehicles, etc., can solve the problems of high energy conversion loss and fast battery power consumption, and achieve the effect of low energy conversion loss and slow power consumption

Inactive Publication Date: 2017-02-15
CYBER POWER SYST
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Problems solved by technology

[0005] However, in the prior art, when charging the storage battery (50), the electric energy generated by the solar panel must pass through the boost unit (20) and the bidirectional charging unit (40) to charge the storage battery (50), so the energy conversion loss is relatively large
Furthermore, when the solar panel is not generating electricity, the electric energy of the storage battery (50) must pass through the bidirectional charging unit (40) to supply power to the monitoring unit (10), so the power consumption of the storage battery (50) is faster and the loss of energy conversion is more
In addition, when the load application is an independent load, the electric energy of the battery (50) must pass through the bidirectional charging unit (40) and the converter unit (30) to supply power to the independent load, so the power consumption of the battery (50) is fast and energy conversion more losses

Method used

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Embodiment Construction

[0023] see Figure 1 to Figure 3 As shown, in a preferred embodiment, the system of the present invention includes at least one solar panel 10, at least one first switch 20, rectification control unit 30, at least one rechargeable battery 40, DC to AC inverter 50, at least one second The switch 60, the DC-to-DC charging unit 70 and the system control unit 80; the first switch 20 is electrically connected to the solar panel 10, the rectification control unit 30 is electrically connected to the first switch 20, and the rechargeable battery 40 is electrically connected to the first switch 20. The DC-to-AC inverter 50 is electrically connected to the rectification control unit 30, the second switch 60 is electrically connected to the DC-to-AC inverter 50, the DC-to-DC charging unit 70 is connected in parallel to the solar panel 10, and the DC-to-DC charging The unit 70 can charge the rechargeable battery 40, and the system control unit 80 can control the first switch 20, the recti...

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Abstract

A hybrid solar power generation system, the solar power generation system comprises at least one solar panel, at least one first switch, a rectifying control unit, at least one rechargeable battery, a DC (Direct Current) to AC (Alternating Current) inverter, at least one second switch, a DC to DC charging unit and a system control unit; wherein the system control unit can control the first switch and the second switch to form a grid-tied path and a standalone path, the solar panel can supply power to a utility grid by the grid-tied path, and the solar panel can supply power to an AC load by the standalone path.

Description

[0001] Technical field: [0002] The present invention relates to a hybrid solar power generation system, in particular to a solar power generation system that utilizes a plurality of switches to achieve a grid-tied path and an independent power supply path (Standalone path). The solar power generation system has at least one A solar panel and at least one rechargeable battery, the rechargeable battery is switched and connected to the mains grid-connected path or the independent power supply path through at least one switch. [0003] Background technique: [0004] Prior art such as the No. 591847 patent case announced by the Republic of China (its foreign patent case is the Chinese patent case with the notification number CN 1521915 and the U.S. patent case with the patent number US6914418), the disclosed technology is: a regeneration of multifunctional mode An energy conversion device comprising a monitoring unit (10), a boost unit (20), a converter unit (30) and an additional...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/35H02J3/38
CPCH02J3/383H02J7/35H02J3/381H02J2300/26H02S10/20H02S10/12H02J7/0068H02S40/32H02S40/34H02S40/38H02J2300/40Y02E10/56Y02E70/30
Inventor 林育志朱晟玮郭石衡
Owner CYBER POWER SYST
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