Photovoltaic power plant efficiency parameter detection system
A parameter detection, photovoltaic power station technology, applied in photovoltaic system monitoring, photovoltaic power generation, power network operating system integration, etc., can solve the problems of inaccurate, inaccurate, and difficult to collect data, and achieve the effect of reducing operating costs
Pending Publication Date: 2018-09-18
CHANGCHUN INST OF TECH
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Problems solved by technology
[0003] At present, the detection of the efficiency of photovoltaic power plants in China is not perfect, and there are a series of problems such as inaccurate data and difficult collection. If each solar panel of a large-scale photovoltaic power station is tested, each piece needs to be tested on the spot, which is time-consuming. Labor-intensive and inefficient
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[0021] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0022] refer to figure 1 The specific embodiment of the present invention includes 16-bit MSP430F247 main controller, Hall voltage sensor 2, Hall current sensor 3, sunlight sensor 4, power management unit 5, three-phase voltage transformer 6, three-phase current transformer 7, The display 8, the wireless communication unit 9, and the photovoltaic power plant efficiency parameter detection device mainly complete the collection of information such as the light intensity of the detection environment, the DC voltage and current at the output side of the solar panel, and the three-phase voltage and current output by the three-phase grid-connected inver...
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The invention relates to a photovoltaic power plant efficiency parameter detection system, which comprises a main controller, a Hall voltage sensor, a Hall current sensor, an illumination sensor, a three-phase voltage transformer, a three-phase current transformer, a power management unit, a wireless communication unit and a display, wherein an outlet of the main controller is respectively connected with the power management unit, the illumination sensor, the wireless communication unit, and the display; an inlet of the main controller is respectively connected with the Hall voltage sensor, the Hall current sensor, the three-phase voltage transformer, and the three-phase current transformer. The photovoltaic power plant efficiency parameter detection system in the present invention can perform illumination intensity collection in real time to realize real-time monitoring of efficiency of solar energy generating direct current via a solar panel, which cannot be done by the former detection device; the photovoltaic power plant efficiency parameter detection system is added with the storage battery pack for supplying power to make the storage battery pack a part of the detecting device; when the generating efficiency of the solar panel is high, one part of the generated power is used for grid connection, and one part stores energy for the storage battery; when no external power source, the storage battery discharges for the detection device to use; and the system can work for a period of time by means of the low power consumption of the detection device, thereby ensuring thatthe system operating state can be controlled in real time.
Description
technical field [0001] The invention is mainly used for efficiency detection of a photovoltaic power station, and uploads data in time, and is used for a large-scale solar power station in the field, and can perform real-time monitoring. Background technique [0002] As a clean energy source, solar energy is inexhaustible and inexhaustible; it has no pollution and high environmental protection benefits; it has a wide range of applications; it can change the energy structure and alleviate the earth's mineral crisis. Whether it is a rooftop power station, a large-scale solar power station, or in human life, its application will be very popular, and the power systems involved can be combined with solar energy. [0003] At present, the detection of the efficiency of photovoltaic power plants in China is not perfect, and there are a series of problems such as inaccurate data and difficult collection. If each solar panel of a large-scale photovoltaic power station is tested, each ...
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IPC IPC(8): H02S50/00H02J7/35H02J9/04G01R31/00
CPCH02J9/04H02S50/00G01R31/00H02J7/35Y02B10/70Y02E10/56Y04S20/20Y02B70/30
Inventor 纪秀王晖李殿文王明晨张猛柳翔天单双双
Owner CHANGCHUN INST OF TECH