Photovoltaic assembly and preparation method thereof

Abstract

The invention discloses a photovoltaic assembly and a preparation method thereof. In the same battery unit set of the photovoltaic assembly, the first connecting point of two first battery string setsand the second connecting point of two second battery string sets are electrically connected through a jumper wire; the jumper wire comprises a first sub portion and a second sub portion which are connected with each other; and any first battery string set and second battery string set which have a common end point are reversely connected in parallel with the same diode through the different subportions of the jumper wire; and each battery unit set, corresponding to two diodes, is arranged in the same wiring box with the two diodes. According to the technical schemes provided by the embodiments of the invention, on the premise that the diodes are not broken down, the number of battery sheets in each battery string group is increased, and therefore, the problem that the diodes are reversely broken down due to the fact that the number of the battery sheets in the photovoltaic assembly is increased is avoided.

Description

technical field [0001] Embodiments of the present invention relate to the field of photovoltaic power generation, and in particular to a photovoltaic module and a preparation method thereof. Background technique [0002] With the continuous development of photovoltaic power generation technology, photovoltaic modules are gradually being used in various fields of social life and are favored by users. [0003] figure 1 It is a schematic circuit diagram of a photovoltaic module in the prior art. Such as figure 1 As shown, the photovoltaic module in the prior art includes 12 battery strings 1, every two battery strings 1 form a series structure 2, every two series structures 2 form a parallel structure 3, and each parallel structure 3 is connected in series. Further, every two series structures 2 forming the parallel structure 3 are connected in reverse parallel with the same diode 4, and the number of battery slices 5 protected by each diode 4 is equal to the number of batte...

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Problems solved by technology

Further, every two series structures 2 forming the parallel structure 3 are connected in reverse parallel with the same diode 4, and the number of battery slices 5 protected by each diode 4 is equal to the number of battery slices 5 in the series structure 2, that is, the number of battery slices 5 in the two battery strings 1 The total number of cells 5, therefore, the number of cells 5 in the battery string 1 is limited by the reverse withstand voltage capability of the diode 4, resulting in the inability to increase the total number of cells 5 in the photovoltaic module, which affects the improvement of the performance of the photovoltaic module

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