Abstract Photovoltaic-thermal (PV/T) systems and hydronic radiant floor heating can enhance energy efficiency economic viability. This study investigates their integration through experimental research designs an experiment to test performance under typical winter conditions. The heat pump system achieves average COP of 5.66 photovoltaic power output 107.5 W. underfloor quickly reaches maintain...

This paper presents the analysis of a photovoltaic bases three-phase five level voltage source inverter (VSI) supplying induction motor driven water pump. The VSI uses a unipolar PWM technique for producing three phase 5 level voltage output and this output is used to drive three-phase induction motor driving a pump load. Multilevel inverters are used for generating AC voltage from several leve...

In this paper we propose the study of a centrifugal pump control system driven by a three-phase induction motor, which is supplied by a PhotoVoltaic PV generator. The system includes solar panel, a DC / DC converter equipped with its MPPT control, a voltage inverter to three-phase Pulse Width Modulation PWM and a centrifugal pump driven by a three phase induction motor. In order to control the ...

The utilisation of photovoltaic conversion of solar energy to power water pumps is today an emerging technology, characterised by gradually declining costs and increasing acquitance with the technology. Since the first installations in the end of the seventies, solar water pumping systems for providing domestic, livestock and irrigation water supplies in remote areas have gained enormously in a...

This paper summarizes a study of the economic and environmental performance of Reverse Osmosis (RO) desalination powered mainly with photovoltaics. It is based on up-to-date cost data for photovoltaic power plants and RO desalination plants. A case study is presented of a plant producing 6550 m water per day on the coast of the Red Sea in Saudi Arabia powered by 3-MWdc PV or HCPV capacities. We...

PV array is increasingly employed for water pumping system. In this paper, the developed boost converter steps up the voltage produced by the PV array to a value which is suitable to run a single-phase induction motor. The inverter converts DC to AC is controlled by using sinusoidal pulse width modulation (SPWM) technique. By using a LCfilter the harmonics are eliminated and pure sine wave is o...

A small-scale seawater reverse-osmosis system with excellent energy efficiency is presented. The system promises to deliver up to 460 l/h of potable water, from seawater (at 40,000 ppm), while consuming less than 1600 W of electrical power. This represents a specific energy consumption of less than 3.5 kWh/m3. Moreover, the flow may be controlled in order to reduce the power consumption by a fa...

Demand-side energy management systems (EMSs) are expected to be used as a method for further balancing the supply and demand of power systems with high levels of renewable energy generation, such as photovoltaic (PV) power. Energy demand and solar radiation must be predicted to realize the optimal operation scheduling of demand-side appliances by a home energy management system (HEMS), includin...

The effective management of technology and new product development in a high technology small to medium enterprise associated with a large corporation with specific reference to the development of solar photovoltaic water pumps is investigated in this study. Innovative product and the development thereof have already become this century's battleground. The availability of information to all and...