Abstract
The photovoltaic (PV) pumping system is a widely used application in Mauritania to ensure the water supply in rural area for populations needs. The system is composed of a PV generator, a DC/DC converter, a DC/AC inverter, a BLDC motor and a centrifugal pump. Study in this article we study with simulation in Matlab/ Simulink environment the performances of the PV pumping system taking into account the climate parameters (solar irradiance, and ambient temperature), and the effect of the total manometric head (HMT) on the pumped flow rate. In addition it also counted the electrical energy and flow rate of the each climatic parameter. Two mathematical motor –pump models for PV application, were proposed in this article to contribute in the studies of PV pumping sizing. These models link directly the operating current to the voltage and electrical power to the flow rate of the pump versus total head.
Highlights
The water pumping system is one of the applications mostly used in the production of renewable energy
To evaluate the performance of the entire system, we will determine the performance of each subsystem [16]: The PVG efficiency is calculated by the ratio between the electric power delivered, and the amount of sunshine Es (W/m2) received on the surface S(m2) of each PVG cell: η01
A case study for a small farm in the Higher Institute Technological Education (ISET- Rosso) was selected and discussed. This system is suitable for many rural zones since it’s designed to work with free cost and doesn’t need maintenance
Summary
The water pumping system is one of the applications mostly used in the production of renewable energy. The search for precise mathematical models that represent the real photovoltaic cell made it possible to retain the works of [4]. 2. The selected models were designed to reflect correctly the influence of different atmospheric conditions on solar cell parameters. The selected models were designed to reflect correctly the influence of different atmospheric conditions on solar cell parameters In this context, we must not forget to mention other works on optimization methods such as those of [5]. We must not forget to mention other works on optimization methods such as those of [5] These methods are considered capable of determining the maximum power point of I (V) and P (V) characteristics of the photovoltaic cell. The rated power of PV devices does not give an accurate indication of the outdoor performance, especially when the PV modules aren’t a brand new one
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