Recently, the performance of solar cell is impacted by rising panel temperatures. For solar cells to work at their best and have the longest possible useful life, the temperature of the panels must be kept at an ideal level. Current temperature sensors have a slow response time, poor accuracy, and low resolution. Meanwhile, Al2O3 and its derivatives have
Fibre optics with its electrical isolation and being light weight characteristics can have great potential to sense control parameters of solar panel and to communicate to the control unit.
• Fiber Bragg grating (FBG) sensor is proposed for temperature monitoring of solar PV. • Wavelength peak detection in FBG using Machine Learning yields a high R 2 value of 0.998. • Indoor and outdoor experiments on solar panels are conducted and validated. • Machine learning results are superior to that of existing peak detection algorithms.
Fiber Bragg Grating (FBG) sensors are an emerging and prominent optical sensing technology of accurately measuring strain, depth, temperature, density, and several
Advanced fibre-optic sensors offer distinct advantages of greater accuracy, a more comprehensive range, and a very high sampling rate. The present experimental work focuses on fibre Bragg...
The article proposes the concept of constructing a comprehensive fiber-optic sensor (CFOS) for simultaneous measurement of relative humidity and air temperature, as well as the temperature of a solar cell. The sensor is represented by a double structure, consisting of a two-stage Fabry-Perot interferometer for measuring relative humidity and air temperature and a two-component
DOI: 10.1016/j.csite.2022.101834 Corpus ID: 246468752; Thermal management of solar photovoltaic panels using a fibre Bragg grating sensor-based temperature monitoring @article{Dhanalakshmi2022ThermalMO, title={Thermal management of solar photovoltaic panels using a fibre Bragg grating sensor-based temperature monitoring}, author={Samiappan
Key applications for fiber optic components in solar energy systems include: Power electronic gate drivers for inverters; Sun tracking control and communication boards; Solar farm substation automation and protection relays; Solar Power Generation. Solar Power Generation Block Diagram. Solar panels collect solar energy and convert it into
Advanced fibre-optic sensors offer distinct advantages of greater accuracy, a more comprehensive range, and a very high sampling rate. The present experimental work
An advanced fibre-optic sensor demonstrates high sensitivity temperature monitoring of mono and polycrystalline PV panels. A rigorous time-domain analysis of the
Much like photovoltaic solar panels and solar hot water systems, solar fiber optic systems need to collect sunlight, usually on top of a roof. The solar collectors used for fiber optic lighting are usually made of
To solve the problems of low detection efficiency, low accuracy, and difficulty of distributed hot spot detection, a hot spot detection method using a photovoltaic module based on the distributed fiber Bragg grating (FBG) sensor
Fibre optics with its electrical isolation and being light weight characteristics can have great potential to sense control parameters of solar panel and to communicate to the control unit. Fibre optic sensors are precise and reliable under electrical hazardous environment of
Fiber Bragg Grating (FBG) sensors are an emerging and prominent optical sensing technology of accurately measuring strain, depth, temperature, density, and several physical parameters. Due to high solar radiation, the increased solar panel temperature affects photovoltaic cell efficiency.
An additional illuminance sensor is attached on the top of the solar panel for this study. (b) The study hall-corridor area lighted with the fiber luminaires of the system (the electric lights
Fibre optics sensors becomes a preferred choice in megawatt rated solar power as it offers much higher voltage and current isolation properties compared to other similar counterparts. Optical
An advanced fibre-optic sensor demonstrates high sensitivity temperature monitoring of mono and polycrystalline PV panels. A rigorous time-domain analysis of the sensor performance is also conducted, which provides valuable insights into the dynamics of instantaneous heat transfer across the panel surface compared to the traditional temperature
In this chapter, we discuss the function of Al2O3-based nanomaterials in evanescent wave-based temperature sensors, sensing characteristics such as sensitivity,
To solve the problems of low detection efficiency, low accuracy, and difficulty of distributed hot spot detection, a hot spot detection method using a photovoltaic module based on the distributed fiber Bragg grating (FBG) sensor is proposed. The FBG sensor array was pasted on the surface of the photovoltaic panel, and the drift of
This paper proposes the use of fiber Bragg gratings (FBG) in thermal monitoring of photovoltaic (PV) modules. Results acquired from FBG sensors were compared with two
In this chapter, we discuss the function of Al2O3-based nanomaterials in evanescent wave-based temperature sensors, sensing characteristics such as sensitivity, linearity, and repeatability. The ZAZ-based sensor (Section 3.1) shows an operating temperature range between 100.9°C and 1111.0°C, the temperature sensitivity becomes 1.8 × 10−5/°C.
FBG sensor is used to monitor the solar panel temperature in this research. The accuracy and stability of the peak search algorithms in the acquired experimental data are analyzed. Reisz fractional-order derivative and Savitsky-Golay filter are improved using a decision tree regressor to determine the peak and noisy spectrum with different signal-to-noise ratios.
The sensor detects the presence of an object when the light emitted by the source is blocked by the object and does not reach the receiver. Fiber optic sensors: These sensors use an optical fiber to transmit light from the source to the object and from the object to the receiver. This enables detection in tight spaces and in applications where
This paper reports the design, characterization and implementation of a Fiber Bragg Grating (FBG)-based temperature sensor for an Insulted-Gate Bipolar Transistor (IGBT) in a solar panel inverter. The FBG is bonded to the higher Coefficient of Thermal Expansion (CTE) side of a bimetallic strip to increase its sensitivity. Characterization results show a linear
Solar Collector: In the case of a solar collector, from the article [60] it was revaled that it is being used as a concentrating medium for the solar radiation and then transmits the solar radiation optic fiber and then a diffuser lens can be used for the diffused centered and coherent solar radiation in unconcentrated one and this will help in equal distribution of the light.
The article proposes the concept of constructing a comprehensive fiber-optic sensor (CFOS) for simultaneous measurement of relative humidity and air temperature, as well as the
Fibre optics sensors becomes a preferred choice in megawatt rated solar power as it offers much higher voltage and current isolation properties compared to other similar counterparts. Optical fibre is used as a sensing element to monitor and control various physical parameters of the solar power plants. Some of the main fibre optic sensor
Fiber optic sensors has an edge over conventional sensors in accuracy, sampling rate and response time. In this experimental study, we consider the Fiber Bragg grating which is inscribed on the solar panel to monitor the temperature fluctuations. Polymer coating is generally used for protection of the fiber optic sensors and improving
Fiber optic sensors has an edge over conventional sensors in accuracy, sampling rate and response time. In this experimental study, we consider the Fiber Bragg grating which is
This paper proposes the use of fiber Bragg gratings (FBG) in thermal monitoring of photovoltaic (PV) modules. Results acquired from FBG sensors were compared with two commonly used temperature...
Advanced fibre-optic sensors offer distinct advantages of greater accuracy, a more comprehensive range, and a very high sampling rate. The present experimental work focuses on fibre Bragg grating sensor-based solar PV panel temperature monitoring.
The most significant application of this study is the widespread use of fibre-optic sensor technology in solar farms, where the temperature of several panels needs to be monitored precisely.
The unique capabilities of fibre-optic sensors are demonstrated by studying the rapid perturbations in panel temperature over time for indoor and outdoor conditions. The effects of incident radiation flux and the inclination angle on panel temperature are analyzed. Temperature sensitivity of 6 pm/°C is obtained.
An advanced fibre-optic sensor demonstrates high sensitivity temperature monitoring of mono and polycrystalline PV panels.
The basic setup of the fiber optic sensor. Typically, synthesized nanoparticles (η Al2O3 = 1.763) were used in the CMF sensor to replace the natural cladding (η clad = 1.402). As a result, the sensor enters a leaky mode known as η mclad > > η core, which results in a reduction in propagated light intensity.
Thus, fiber optic sensors would be a superior choice for these applications as the optical signal is immune to electromagnetic field interference, can be used for long-distance communication with low loss, and is compact and simple to employ in real-time applications [ 3 ].
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