نتایج جستجو برای: pv array
تعداد نتایج: 156214 فیلتر نتایج به سال:
In this paper, a PV array is used for water pumping purposes at remote or abandoned locations. Egypt is a developing country and largely depends on cultivation that won’t be possible without water availability. This paper presents the performances of a PV pumping system based on an induction motor under variable solar irradiations and ambient temperatures. The Maximum Power Point Tracker (MPPT)...
This paper presents a design for a stand-alone photovoltaic (PV) system to provide the required electricity for a single residential household in rural area in Jordan. The complete design steps for the suggested household loads are carried out. Site radiation data and the electrical load data of a typical household in the considered site are taken into account during the design steps. The relia...
In this paper, the stand-alone photovoltaic system for cathodic protection of underground pipelines is presented. The proposed system offers continuous and automatic adjustment of the applied voltage so that the buried pipelines receive the exact current. A modified perturb and observe (P&O) algorithm for maximum power point tracking (MPPT) is used to improve dynamic and steady state performa...
The power extracted from PV arrays is usually maximized using maximum power point tracking algorithms. One of the most widely used techniques is the perturb & observe algorithm, which periodically perturbs the operating point of the PV array, sometime with an adaptive perturbation step, and compares the PV power before and after the perturbation. This paper analyses the most suitable perturbati...
The electrical power available from a photovoltaic (PV) module can be simulated with the well-known and widely used [1-4] single diode equation. Five parameters must be known in the equation to determine the current– voltage relationship (I–V curve) for the module. These parameters can be obtained by fitting the experimental I– V curve at a fixed temperature and solar radiation for a small but ...
School of Electrical Engineering, VIT University. Vellore – 632014. Tamilnadu. India In this paper, we present a novel maximum power point tracking method for a photovoltaic system consisting of a photovoltaic panel with a power electronic converter; the whole is feeding a battery. This maximum power point depends on the temperature and irradiation conditions. A robust control using a PI regula...
We present an approach to simulate time-synchronized, one-minute power output from large photovoltaic (PV) generation plants in locations where only hourly irradiance estimates are available from satellite sources. The approach uses one-minute irradiance measurements from ground sensors in a climatically and geographically similar area. Irradiance is translated to power using the Sandia Array P...
This paper focuses on the implementation of a three-phase four wire current-controlled Voltage Source Inverter (CC-VSI) as both PV energy extraction and power quality improvement. For power quality improvement, the CC-VSI works as a grid current-controller shunt active power filter. Then, the PV array supported by a Look-up Table type of a MPPT controller is coupled to the DC bus of the CC-VSI....
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