Communication system with component-level monitoring photovoltaic combiner box and working method thereof
A photovoltaic combiner box and communication system technology, applied in electrical components, circuit devices, etc., can solve problems such as the inability to meet the rapid development trend of photovoltaic intelligent operation and maintenance, lack of component-level operation monitoring data, etc., to improve the degree of digitalization and anti-interference ability. Strong, long-range effects
Pending Publication Date: 2020-02-21
HUANENG CLEAN ENERGY RES INST +2
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Problems solved by technology
The basis of intelligent operation and maintenance of photovoltaic power stations is the operation data monitoring of photovoltaic phalanx area. At present, the most detailed level of monitoring of photovoltaic power station phalanx area can be achieved at the PV string level, and there is a lack of module-level operation monitoring data, which cannot meet the requirements of current photovoltaic intelligent operation and maintenance. rapid development trend
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[0022] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:
[0023] Such as figure 2 , the communication system with module-level monitoring photovoltaic combiner box of the present invention includes a module communication node, a combiner box communication node, a box-type transformer communication node and a control center; the component communication node includes a current and voltage detection module respectively connected to each photovoltaic module , the current and voltage detection module is a current and voltage sensor or a photovoltaic module power optimizer with voltage and current detection function; the current and voltage detection module is connected with a component communication module; the combiner box communication node includes a data processing module and a combiner box communication module; box-type transformer communication node Including box-type transformer communication module and data...
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The invention discloses a communication system with a component-level monitoring photovoltaic combiner box and a working method thereof, which belong to the technical field of photovoltaic power generation. The system comprises a component communication node, a combiner box communication node, a box-type transformer communication node and a control center. The combiner box communication node collects the data of each photovoltaic component, and then uploads the data to the box-type transformer communication node. The data are processed and and stored into a database server for the control center to call. According to the communication system, the detection level is refined to the component level, which greatly improves the digitization degree of a photovoltaic power station; and a data basis is provided for the intelligent photovoltaic power station.
Description
technical field [0001] The invention belongs to the technical field of photovoltaic power generation, and in particular relates to a communication system with a component-level monitoring photovoltaic combiner box and a working method thereof. Background technique [0002] As the single capacity of photovoltaic power plants increases, and the price of photovoltaic electricity gradually tends to parity, intelligent photovoltaic operation and maintenance has become an inevitable trend. The basis of intelligent operation and maintenance of photovoltaic power stations is the operation data monitoring of photovoltaic phalanx area. At present, the most detailed level of monitoring of photovoltaic power station phalanx area can be achieved at the PV string level, and there is a lack of module-level operation monitoring data, which cannot meet the requirements of current photovoltaic intelligent operation and maintenance. Rapidly developing trend. Contents of the invention [000...
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Inventor 彭文博李红勇肖海斌余记远李帆李晓磊高培鑫高虎刘大为陈诚
Owner HUANENG CLEAN ENERGY RES INST