Abstract
In this paper, LLC resonant converter based Photovoltaic (PV) water pumping is proposed. Commercially, the available PV based water pumping system consists of a non-isolated DC-DC converter, which is suitable for low power applications but results in a less safe operating environment for human. In the case of PV based water pumping systems, the safety of humans should be the main concern, as these systems are normally being operated by farmers, their families and it may possible that they are not that much aware of operational hazards. Therefore, this paper attempts to present an LLC converter based PV water pumping system, considering human safety as a major concern. The proposed system is simulated in MATLABenvironment and results shows that proposed system configuration has no adverse impact on system efficiency and it enhances safety for operating personals. Presented results can be further exploited for hardware verification as the future scope of this work.
Highlights
The application of photovoltaic (PV) systems for extracting water from the ground is a promising application to provide/supply water for irrigation, drinking and to fulfill the other daily basic needs in remote areas that are still struggling for electricity
SIMULATION RESULTS AND ANALYSIS The proposed LLC DC-DC converter-based PV water pumping system as per Figure 1 is investigated, simulated in MATLAB/Simulink environment and the results obtained are illustrated
PV based water pumping system is an important application of solar PV and serves as a useful source of water for irrigation, drinking, and to serve the daily needs in remote/rural areas
Summary
The application of photovoltaic (PV) systems for extracting water from the ground is a promising application to provide/supply water for irrigation, drinking and to fulfill the other daily basic needs in remote areas that are still struggling for electricity. Designed PV based water pumping system should be energy efficient, low cost, and robust with less maintenance requirement and most importantly should be safe enough as to be operated by common personal without need of any additional piece of training or skills. Vtas, 2017) proposed a buck-boost converter-based PV water pumping system intending to reduce the required number of components and achieving overall good operational efficiency. The performance of the Zeta DC-DC converter for the PV water pumping system is illustrated in
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