Abstract
This work aims to develop an accurate model of an existing Photovoltaic Pumping System (PvPS) which is composed of an Ebara Pra-0.50T Asynchronous Moto-Pump (AMP) fed by Kaneka GSA-60 photovoltaic panels via a Moeller DV-51 speed drive. The developed model is then used to compare the performance of the system with its original control strategy based on classical indirect vector control strategy using PI speed controller and the proposed new control strategy based on Fuzzy Logic control technique for speed control and MPPT system. The obtained results of comparative simulations, induced in different dramatic variation of working conditions, show that the developed control strategy brought major enhancements in system performance.
Highlights
Air pollution problems and its disastrous consequences mainly caused by increasing consumption of conventional energy sources such as gas, oil and coal, has encouraged scientific society towards developing environmentally friendly energy sources which are mainly extracted from renewable energy sources such as the sun, water, wind... etc
We present several results comparing the behaviour of the pumping system with and without the developed Fuzzy Logic (FL) control strategy and the major proved enhancements in performance
The different results obtained by simulating the developed speed control system in a first place showed the important advantages of using an FL controller instead of a conventional
Summary
Air pollution problems and its disastrous consequences mainly caused by increasing consumption of conventional energy sources such as gas, oil and coal, has encouraged scientific society towards developing environmentally friendly energy sources which are mainly extracted from renewable energy sources such as the sun, water, wind... etc.Among these new energy sources, and thanks to its continuous technological progress and manufacturing cost reduction, Photovoltaic (PV) energy presents one of best choices from different existing renewable energy sources.PV technologies are widely used for numerous and various types of applications [1,2]. In these cases, different types of PV pumping systems have rapidly replaced traditional pumps such as diesel and gasoline pumps especially that these developed new technologies help to avoid the need for maintenance personnel and fuel supply problems [5]. Different types of PV pumping systems have rapidly replaced traditional pumps such as diesel and gasoline pumps especially that these developed new technologies help to avoid the need for maintenance personnel and fuel supply problems [5] Despite these different advantages, the generated PV power is strongly dependent on weather conditions especially solar irradiation which contributes constantly in rapid variation of I-V and P-V characteristics of the PVGs [6]
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