System and method for analyzing operating data of components in a photovoltaic power station
A photovoltaic power station and operating data technology, applied in the field of power systems, can solve the problems of photovoltaic power stations with no practical application value, inability to monitor and analyze the usage of components, and high cost, and achieve the effect of saving power station construction and operation and maintenance costs
Active Publication Date: 2019-05-07
上海许继电气有限公司 +2
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Problems solved by technology
[0005] At present, the monitoring of most photovoltaic power plants on the market can only be accurate to the strings under the combiner box, but cannot monitor and analyze the usage of the components
Although some smart photovoltaic modules can monitor individual components, their cost is too high, and they have no practical application value for most domestic photovoltaic power plants
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[0057] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.
[0058] The system and method for analyzing the operating data of components in a photovoltaic power station of the present invention solve the following technical problems:
[0059] Propose and implement a new method to extract good sunny data; within the operation days of the power station that meet the good sunny data, the interference factors that affect the operation of components can be eliminated, including weather, manual maintenance and equipment failure;
[0060] Based on the good data of sunny days, a new module operation index is proposed to monitor the operation of photovoltaic cell modules in photovoltaic power plants and analyze the aging of components in the station;
[0061] see figure 1 As shown, the system for analyzing the operating data of components in a photovoltaic power station includ...
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The present invention relates to a system and a method for operating data analysis of a component in a photovoltaic power station, and belongs to the field of power systems. The system comprises: an environmental collector, used for periodically collecting irradiance information at the photovoltaic power station; a communication server, used for sending the irradiance information that is collected by the environmental collector to a data processing server; a data processing server, used for analyzing the irradiance information to determine a weather condition under which the photovoltaic power station operates; and a display terminal, used for displaying an analysis result of the data processing server. The system further comprises a generated power collector, used for periodically collecting generated power information of the photovoltaic power station. With adoption of the structure, the system and the method for operating data analysis of the component in the photovoltaic power station extract good data in a sunny day. During the power station operating days in coincidence with the good data in the sunny day, interference factors that affect component operation, comprising weather, manual maintenance and equipment failure, can be eliminated.
Description
technical field [0001] The present invention relates to the field of power systems, in particular to a photovoltaic power station, and specifically refers to a system and method for analyzing operating data of components in a photovoltaic power station. Background technique [0002] Photovoltaic power station is composed of gateway meter, step-up transformer, inverter, combiner box, string and photovoltaic cell components and other equipment. The photovoltaic cell component is packaged by several single solar cells, which is the smallest unit of photovoltaic power station. As the most important part of the solar power generation system, photovoltaic cell modules are responsible for converting solar energy into electrical energy. [0003] When the components in the photovoltaic power station have problems such as aging first, the monitoring in the station cannot monitor and analyze the attenuation of the components, resulting in a decrease in the conversion rate and output po...
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IPC IPC(8): G06Q10/06G06Q50/06
Inventor 赵德基邬军军沈永良汪会勇檀基宝黄保莉
Owner 上海许继电气有限公司