9 results about "High irradiance" patented technology

This application provides a method, electronic device, and storage medium for online power monitoring of photovoltaic modules. The method includes: constructing verification conditions; determining a valid test time based on pre-established verification conditions (string operating status verification, irradiance integer value verification, and irradiance stability verification); real-time power correction of the module based on the measured irradiance and cell temperature at the valid test time; determining the online power test value based on the corrected power value under the same integer irradiance reference value; when the integer irradiance reference value reaches a preset high irradiance threshold, correcting the online power test value to standard test conditions to obtain a comparable online power test value; determining the current control reference for the current test cycle based on its corresponding factory power correction value; and updating the dynamic iterative control reference based on the current control reference and historical control references to perform power anomaly monitoring. This application achieves accurate online testing and anomaly identification of photovoltaic module power.

The invention discloses a processing method for irradiance data of a satellite-borne ultraviolet hyper-spectral imager. The method comprises the following steps: firstly, preprocessing an annual sun observation data set, performing sun-earth observation distance correction and BRDF correction, and normalizing to a unified irradiation condition; carrying out the averaging of the normalized solar observation data set, and eliminating the angle-sensitive microstructure of the calibration plate; filtering the laboratory irradiance calibration coefficient, decomposing the laboratory irradiance calibration coefficient into a product of a radiance coefficient and a quintic polynomial, and eliminating a high-frequency calibration coefficient error; and finally, calculating the irradiance data of the instrument by using the annual average sun observation value and the filtering irradiance calibration coefficient. By using the irradiance data processing method provided by the invention, the irradiance data precision can be improved, the later gas product strip error caused by inaccurate irradiance is effectively reduced, and the remote sensing detection of high-quality atmospheric trace gas components is realized.

The invention relates to the technical field of optical particulate matter sensing, in particular to a method for detecting the concentration of particulate matter with a wide particle size. The method comprises the steps that detection is achieved by designing a specific optical system and a circuit system, the optical system comprises two lasers, the space volume of effective scattered light beams formed by the first laser is smaller than that of the second laser, the first laser is concentrated in light energy and high in irradiance, and the second laser is divergent in light energy and low in irradiance; the wavelength of the second laser is not less than that of the first laser; the circuit system independently controls the two lasers, adjusts the light emitting power to enable the irradiance of the first laser to be obviously higher than that of the second laser, and realizes alternate light emitting through start-stop control; through debugging, it is ensured that signals of the first laser are significantly stronger when the particle size is small and signals of the second laser are significantly stronger when the particle size is large, and concentration calibration and signal processing are combined to obtain concentrations of particles with different particle sizes. The detection range is expanded, large and small particles can be detected at the same time, precision is improved, and the problem that an existing sensor is poor in particle size section measurement effect is solved.

The present application relates to the technical field of optical particle sensing, in particular to a wide particle size concentration detection method. The method comprises: detecting by designing a specific optical system and a circuit system, the optical system comprising two lasers, the effective scattering light beam volume formed by the first laser being smaller than that of the second laser, the former having concentrated light energy and high irradiance, the latter having divergent light energy and low irradiance, and the wavelength of the second laser being not less than that of the first laser; the circuit system independently controls the two lasers to adjust the light power so that the irradiance of the first laser is significantly higher than that of the second laser, and the light emission is realized by start-stop control; through debugging, it is ensured that the signal of the first laser is significantly stronger when the particle size is small, and the signal of the second laser is significantly stronger when the particle size is large, and the concentration of particles of different sizes is obtained by combining concentration calibration and signal processing. The present application expands the detection range, can detect large and small particles at the same time, improves the precision, and solves the problem of poor measurement effect of the existing sensor particle size segment.

The present application relates to the technical field of clean energy, and discloses a training method and device of a correction model of NWP irradiance, equipment and a medium, the present application obtains historical NWP data, historical measured meteorological data and historical intrinsic electrical property data of the photovoltaic panel contained in the target photovoltaic station of the target photovoltaic station; the difference irradiance data is calculated based on the historical NWP irradiance data and the historical measured irradiance data; the training data set is constructed based on the historical intrinsic electrical property data, the historical NWP data and the difference irradiance data; the training data set is input into the pre-constructed preset correction model for model training, the historical intrinsic electrical property data and the historical NWP data are used as characteristic variables, the difference irradiance data is used as a label, the parameters of the preset correction model are continuously adjusted, the preset correction model learns the coupling relationship between the historical intrinsic electrical property data, the historical NWP data and the difference irradiance data, and the model converges until the correction accuracy of the NWP irradiance is improved.

The application relates to the technical field of electric energy storage, and provides a photovoltaic and energy storage integrated collaborative optimization method and system applied to a photovoltaic and energy storage direct flexible building. Three-dimensional network is constructed by obtaining construction information of a target building; irradiance distribution on the surface of the target building is predicted based on cloud layer data and the three-dimensional network; high irradiance areas and low irradiance areas are divided according to the irradiance distribution and a set threshold value, and corresponding photovoltaic modules and power controllers are arranged in the high irradiance areas and the low irradiance areas; a net benefit function in power generation and energy storage processes is determined based on equipment parameters of the photovoltaic modules, and working power of the photovoltaic modules is determined according to the net benefit function; and the photovoltaic modules are controlled to work through the power controllers based on the working power of the photovoltaic modules. The layout and working power of the photovoltaic modules are optimized, so that the working state of the photovoltaic modules is accurately controlled, the utilization rate of photovoltaic power generation is improved, the energy storage cost is reduced through intelligent control, and efficient utilization of energy is realized.

The application discloses a calibration method and device of a wide-band irradiance meter with high irradiance. The method comprises the following steps: calibrating a spectral radiometric device to obtain a spectral correction coefficient; measuring spectral radiant flux of a fiber type wide-band light source and correcting the spectral radiant flux by using the spectral correction coefficient to obtain corrected spectral radiant flux; calculating radiant flux of a predetermined wave band according to the corrected spectral radiant flux; calculating a radiant illuminance value of a fiber output port as a standard value according to the radiant flux of the predetermined wave band; measuring a reading of a measured irradiance meter at the same fiber output port, comparing the reading with the standard value, and obtaining a calibration result. The application solves the problem that the existing light track method cannot be adapted to the fiber type irradiance meter by combining an integrating sphere with a standard fiber and introducing a fiber output light source into the integrating sphere to homogenize light. The radiant illuminance is accurately calculated by using a standard lamp calibration and a fiber end surface area, near distance measurement error is avoided, and accurate calibration of high irradiance is realized.

This invention discloses an intelligent high-irradiance ultraviolet rapid disinfection cabinet, relating to the field of disinfection cabinet technology. The intelligent high-irradiance ultraviolet rapid disinfection cabinet includes a cabinet body. A solar-powered automatic heating device is installed on the top of the cabinet body. The solar-powered automatic heating device includes a rotating shaft. The side of the rotating shaft is rotatably mounted on the top of the cabinet body. An arc-shaped rod is fixedly connected to the side wall of the rotating shaft, and a solar photovoltaic panel is fixedly connected to the other end of the arc-shaped rod. This application utilizes the telescopic airbags inside the solar-powered automatic heating device to adjust their shape under different weather conditions. In conjunction with the rotating shaft, baffles, and other components, the arc-shaped rod automatically raises the solar photovoltaic panel to absorb solar energy on sunny days. During rainfall, the solar photovoltaic panel automatically retracts into its interior to avoid damage from external forces. This achieves intelligent absorption of photovoltaic energy while ensuring the long-term use of the device.

The invention discloses a calibration method and device for a high-irradiance broadband irradiatometer. The method comprises the following steps: calibrating a spectral radiation measurement device to obtain a spectral correction coefficient; measuring the spectral radiation flux of the optical fiber type broadband light source, and correcting the spectral radiation flux by using the spectral correction coefficient to obtain the corrected spectral radiation flux; calculating the radiation flux of the predetermined wave band according to the corrected spectral radiation flux; according to the radiation flux of the preset wave band, calculating a radiation illumination value of the optical fiber output port as a standard value; and measuring the reading of the measured irradiatometer at the same optical fiber output port, and comparing the reading with the standard value to obtain a calibration result. Through combination of the integrating sphere and the standard optical fiber, an optical fiber output light source is introduced into the integrating sphere for dodging, and the problem that an existing optical track method cannot adapt to an optical fiber type irradiatometer is solved; the irradiance is accurately calculated through calibration of the standard lamp and the area of the end face of the optical fiber, close-range measurement errors are avoided, and accurate calibration of the high irradiance is achieved.