Evaluation and optimization of off-grid and on-grid photovoltaic power system for typical household electrification

Hassan, Qusay

doi:10.1016/j.renene.2020.09.008

Cited by 122 publications

(28 citation statements)

References 41 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…In this last reference, the authors also highlighted the importance of storage systems to reduce power fluctuations, along with increasing the efficiency of a household system. Similarly, numerical results presented in Reference [20] showed that self-consumption of a residential system can be boosted up by 51% by installing batteries, in comparison with the solution in which only PV panels are installed.…”

Section: Related Workmentioning

confidence: 84%

A New Methodology for Smoothing Power Peaks Produced by Electricity Demand and a Hydrokinetic Turbine for a Household Load on Grid Using Supercapacitors

Arévalo

Tostado‐Véliz

2021

WEVJ

View full text Add to dashboard Cite

The power fluctuations produced by electric vehicles represent a drawback in large-scale residential applications. In addition to that, short power peaks could pose a risk to the stability of the electrical grid. For this reason, this study presents a feasibility analysis for a residential system composed of electric vehicle chargers. The objective is focused on smoothing the power fluctuations produced by the charge by a supercapacitor through adequate energy control; in addition, self-consumption is analyzed. Data sampling intervals are also analyzed; the modeling was performed in Matlab software. The results show that there are errors of up to 9% if the data are measured at different sampling intervals. On the other hand, if the supercapacitor is considered, the system saves 59.87% of the energy purchased from the utility grid per day, and the self-consumption of electricity by prosumers can increase up to 73%. Finally, the hydrokinetic/supercapacitor/grid system would save up to 489.1 USD/year in the cost of purchasing electricity from the grid and would increase by 492.75 USD/year for the sale electricity.

show abstract

Section: Related Workmentioning

confidence: 84%

A New Methodology for Smoothing Power Peaks Produced by Electricity Demand and a Hydrokinetic Turbine for a Household Load on Grid Using Supercapacitors

Arévalo

Tostado‐Véliz

2021

WEVJ

View full text Add to dashboard Cite

show abstract

“…Thus, it often takes the form of determining the appropriate installation parameters for a given site so that a predetermined amount of energy production can be achieved or indicates the parameters defining the way this energy is used. The approach is similar to the analyses done for the residential photovoltaic installations [31]. However, in this case, energy self-consumption is important for the profitability of the investment.…”

Section: State Of the Artmentioning

confidence: 97%

Analysis of the Impact of the Assumed Moment of Meeting Total Energy Demand on the Profitability of Photovoltaic Installations for Households in Poland

Iwaszczuk

Trela

2021

Energies

View full text Add to dashboard Cite

In this article, the authors analyzed two extreme investment variants considering the installed capacity of Poland’s residential pv installation: (a) pv installation meets electricity demand only in the first year of operation, and in each subsequent year it is necessary to purchase electricity at market prices; (b) installation meets electricity demand even in the last year of operation, and in each previous year, the excess of generated electricity needs to be transferred back to the grid, with the limited (by law) right of drawing it from the grid for free in the future. In the article, a sensitivity analysis was performed, and profitability changes were established based on the NPV value, depending on case (a) or (b). The performed analyses showed that the pv installation profitability should not be analyzed, assuming only one moment when it meets 100% of the household’s electricity demand. It was shown that the choice of such a moment, depending on the value of particular technical and financial parameters, can lead to a change in the NPV value, even over 10%. Although the studies were done for Poland, such an approach can be implemented in other countries.

show abstract

“…Self-consumption and self-sufficiency are defined [29][30][31][32] as the overlapping part of the load profiles and the generation part.…”

Section: Energy Self-consumption (E Sc ) and Energy Self-sufficiency (E Ss )mentioning

confidence: 99%

Self-Consumption and Self-Sufficiency Improvement for Photovoltaic System Integrated with Ultra-Supercapacitor

Hassan

Jaszczur

2021

Energies

Self Cite

View full text Add to dashboard Cite

This research study uses a computer simulation based on real input data to examine the impact of a supercapacitor module working as a fast response energy storage unit in renewable energy systems to increase energy self-consumption and self-sufficiency. The evaluated system includes a photovoltaic system with a capacity of 3.0 kWp and between 0 and 5 supercapacitor units with a capacity of 500 F per module. The study was carried out using experimental data for electrical load, solar irradiance, and ambient temperature for the year 2020, with a 1 min temporal resolution. The daily average ambient temperature was 10.7 °C, and the daily average solar irradiance was 3.1 kWh/m2/day. It is assumed that the supercapacitor could only be charged from a photovoltaic system using renewable energy and not from the grid. The simulation results showed that using the supercapacitors to feed the short and large peaks of the electrical load significantly increases energy self-consumption and self-sufficiency. With only five supercapacitor modules, yearly energy self-sufficiency increases from 28.09% to 40.77%.

show abstract

Evaluation and optimization of off-grid and on-grid photovoltaic power system for typical household electrification

Cited by 122 publications

References 41 publications

A New Methodology for Smoothing Power Peaks Produced by Electricity Demand and a Hydrokinetic Turbine for a Household Load on Grid Using Supercapacitors

A New Methodology for Smoothing Power Peaks Produced by Electricity Demand and a Hydrokinetic Turbine for a Household Load on Grid Using Supercapacitors

Analysis of the Impact of the Assumed Moment of Meeting Total Energy Demand on the Profitability of Photovoltaic Installations for Households in Poland

Self-Consumption and Self-Sufficiency Improvement for Photovoltaic System Integrated with Ultra-Supercapacitor

Contact Info

Product

Resources

About