Results 31 to 40 of about 34,868 (208)

A comprehensive sizing methodology for stand-alone battery-less photovoltaic water pumping system under the Egyptian climate

Cogent Engineering, 2016
This work introduces comprehensive sizing methodology to optimize a stand-alone battery-less PV water pumping system (PVWPS). The essential target for the battery-less PVWPS is storing water instead of electrical energy. The drawback of employing battery
Hegazy Rezk
doaj   +1 more source

Embodied Energy and Environmental Impact of Large-Power Stand-Alone Photovoltaic Irrigation Systems

Energies, 2018
A life cycle assessment (LCA) methodology was used to evaluate the cumulative energy demand and the related environmental impact of three large-power stand-alone photovoltaic (PV) irrigation systems ranging from 40 kWp to 360 kWp.
Giuseppe Todde, Lelia Murgia, Isaac Carrelo, Rita Hogan, Antonio Pazzona, Luigi Ledda, Luis Narvarte   +6 more
doaj   +1 more source

Large power hybrid PV pumping for irrigation [PDF]

, 2019
El principal objetivo de esta tesis es el desarrollo de soluciones técnicas para el funcionamiento fiable y eficiente de sistemas híbridos de riego fotovoltaico (FV) de alta potencia. Estas soluciones técnicas se han aplicado al diseño e instalación de dos demostradores de riego FV por goteo a escala real – uno de 140 kWp híbrido FV-diésel en Alter do ...
openaire   +3 more sources

Comparison of therapeutic effects of green laser enucleation of the prostate and transurethral prostate resection for treatment of benign prostatic hyperplasia

Di-san junyi daxue xuebao, 2020
Objective To evaluate the therapeutic effect of green laser enucleation of the prostate (GreenLEP) and transurethral resection of the prostate (TURP) for treatment of benign prostatic hyperplasia (BPH).
WEN Shuang, YANG Lin, LUO Jun
doaj   +1 more source

Experimental Performance of a PV-powered Center-Pivot Irrigation System

, 2022
8th World Conference on Photovoltaic Energy Conversion; 1477 ...
Herraiz, Juan Ignacio, Almeida, Rita Hogan, Castillo-Cagigal, Manuel, Narvarte, Luis   +3 more
openaire   +2 more sources

Techno-economic study for photovoltaic battery-free irrigation systems in an arid area for olive fields in Western West Al Minya, Egypt

Discover Sustainability
Due to rain scarcity, artificial irrigation became an environmentally critical application for crop production. Proper irrigation is essential to maximize water use efficiency and plant biomass.
Golina Samir Adly, Wagdy R. Anis, Peter H. S. Riad, Mina S. F. Samaan, Elsayed R. Saadany, Sameh O. Abdellatif   +5 more
doaj   +1 more source

Grid-Connected PV Inverter for Driving Induction Machines With Synchronous Scalar Control

IEEE Access
Induction machines (IMs) are used extensively in irrigation systems due to their high reliability and line-starting capability directly from the power grid without requiring variable speed drives (VFDs). Nonetheless, line-connected IMs draw a substantial
Kangbeen Lee, Mostafa Fereydoonian, Mikayla Benson, Avinash Dornala, Musab Guven, Younsuk Dong, Woongkul Lee   +6 more
doaj   +1 more source

Effects of total system head and solar radiation on the techno-economics of PV groundwater pumping irrigation system for sustainable agricultural production

Scientific African, 2022
: Several agricultural farms in Nigeria are found in off-grid locations where there is the lack of water supply despite the abundant groundwater resources possessed by the country.
I.K. Okakwu, A.S. Alayande, D.O. Akinyele, O.E. Olabode, J.O. Akinyemi   +4 more
doaj   +1 more source

Integrating Solar Radiation Dynamics into Irrigation System Design: An Asymmetric-Sector Approach for Mediterranean Orchards

Agriculture
The adoption of photovoltaic (PV) energy in irrigation is rapidly increasing, supported by a range of available technologies. However, an agronomic perspective that could help overcome inherent limitations of PV systems remains absent.
João Rolim, Beatriz Vacas, Carolina Silva, Olívio Patrício, Maria do Rosário Cameira   +4 more
doaj   +1 more source

Techno-Economic Feasibility Assessment of Solar PV Water Pumping System In Dryland: Case Study In Madura

Rekayasa, 2021
Indonesia has enormous solar radiation potential, and it can be converted to electrical energy by utilizing solar PV systems. Mainly the irrigation of paddy rice fields in Indonesia dependent on a diesel-powered water pumping system.
Nizar Amir
doaj   +1 more source