Detection system based on photovoltaic bus board and method thereof
A detection system and a technology of a confluence board, applied in the photovoltaic field, can solve problems such as misjudgment
Active Publication Date: 2020-01-17
浙江腾圣储能技术有限公司
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[0013] Since the current processing method does not consider the MPP voltage and MPP current after confluence, since the formation of MPP voltage and MPP current is a dynamic process, the MCU will judge the state of the fuse and whether the photovoltaic solar panel is connected during the dynamic process. Affected by the MPPT formed by the MPP voltage and the MPP current, there will be misjudgments in the process of detecting and judging the state of the fuse and whether the photovoltaic solar panel is connected
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[0077] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0078] Such as Figure 1-Figure 19As shown, the detection system based on the photovoltaic busbar includes a detection circuit one; the detection circuit one is used to detect the voltage of each photovoltaic solar panel and the current of each photovoltaic solar panel; it also includes a detection circuit two, and the detection circuit two is used for It is used to detect the voltage of each bus circuit and the current of each bus circuit; the detection circuit 1 and the detection circuit 2 are connected to the processing device, and the processing device judges the state of the fuse and the photovoltaic solar energy through the data sent by the detection circuit 1 and the detection circuit 2. Whether the board is connected. In this way, the data sent by the detection circuit 2 can be added to detect the MPPT voltage and MPPT current, so a judgment al...
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The invention discloses a detection system based on a photovoltaic bus board and a method thereof. The detection system comprises a detection circuit 1 which is used for detecting the voltage of eachphotovoltaic solar cell panel and the current of each photovoltaic solar cell panel; and a detection circuit 2 which is used for detecting the voltage of each bus circuit and the current of each bus circuit. The first detection circuit 1 and the second detection circuit 2 are both connected with a processing device, and the processing device judges the state of a fuse and whether the photovoltaicsolar panels are connected or not according to the data sent by the first detection circuit 1 and the second detection circuit 2. In combination with other structures and methods, the defects in the prior art that an MCU judges the state of the fuse and whether the photovoltaic solar panels are connected or not, and the judgment is influenced by an MPPT formed by an MPP voltage and an MPP current;and the misjudgment occurs during the process of detecting the state of the fuse and judging whether the photovoltaic solar panels are connected or not, are effectively avoided.
Description
technical field [0001] The invention relates to the technical field of photovoltaics, and also belongs to the technical field of manifold detection, in particular to a photovoltaic manifold-based detection system and method thereof. Background technique [0002] Photovoltaic: It is the abbreviation of solar photovoltaic power generation system. It is a new type of power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy. [0003] At present, the solar photovoltaic industry has become one of the most concerned emerging industries in the world today. Photovoltaic power generation is a direct power generation method that uses solar energy and semiconductor electronic devices to effectively absorb solar radiation energy and convert it into electrical energy. It is the mainstream solar power generation method today. Photovoltaic power generation does not require fuel, has no ...
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IPC IPC(8): H02S50/00H02S50/10H02S40/30G01V3/00G01R31/74
CPCG01V3/00H02S50/00H02S40/30H02S50/10Y02E10/50
Inventor 赵存博崔佩聚赵永建
Owner 浙江腾圣储能技术有限公司