The electrical production is the primary performance of any solar photovoltaic (PV) system. The PV panel operating temperature is inversely proportional to the electrical production of the PV panel. The operating temperature of PV panel is influenced by solar radiation absorbed and the ambient temperature. In the present work, Computational Fluid Dynamics (CFD) method is used to investigate a three-dimensional (3-D) model of a PV panel. It is also essential to estimate the thermal behaviour of the PV panel under various environmental conditions. The primary purpose of this current work is to analyse temperature distribution from the PV panel under given operating conditions. The model geometry is built by using CATIA design software. ANSYS software was simulated the different intensity of solar radiation that applied to the PV panel in order to observe the temperature distribution on each layers of the PV panel. The ambient temperature of the simulation is fixed 35 °C according to the maximum ambient temperature captured in Malaysia. The simulation results show that an increase in solar radiation intensity along with the PV panel operating temperature increase.
This project presents the design and development a portable measurement device for measure and monitor solar panel parameters by using Internet of Things (IoT) concept. Solar energy measurement plays a very important role in the measurement of parameter reading for the determination of output generated, but the challenge is only performed manually at the work site using a clamp meter or a multimeter. Furthermore, it was very difficult to get the value at that time, and the data recovery error occurred. There are three specific objectives have been used for the project. Firstly, the relevant circuits for this project are design and built the circuit by using software. The output of the measurement solar irradiance, ambient temperature, solar panel temperature, current and voltage value were displayed on LCD. Next, IoT concept is used for solar panel measurement and monitoring. The value of the measurement and monitoring is used ThingSpeak cloud and ThingView application on the smartphone. It can be collected the portable solar for the energy measurement system can monitor on site, anywhere and anytime using IoT platform.
The fluctuating source voltage causes the distributed voltage not to have a nominal value of 220V and affects the characteristics of the lighting. In this study, observations were made on the change in source voltage of the three types of lighting during peak load times. The purpose of this research is to show that any change in the source voltage (PLN) can affect the lifetime of the light bulb. From the results of research on one of the LED lights, when 0 hours is turned on, the source voltage is at 227.0 volts with 108.4 Lux lamp illumination. When 12 hours are turned on, the source voltage is 225.9 Volts with 103.3 Lux lamp illumination. There was a decrease in source voltage of 1.1 Volt and a decrease in illumination of 5.1 Lux. And when 24 hours the lamp is turned on, the source voltage is at 230 Volt with 97.8 Lux lamp illumination. There was an increase in source voltage of 4.1 Volt and a decrease in illumination of 5.5 Lux. As a result of frequent increases in source voltage, the lamp lifetime will decrease more rapidly.
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