Hybrid Renewable Energy Systems for Electrification: A Review

Kyari, Ibrahim Baba; Muhammad, Jamilu Ya’u

doi:10.11648/j.cssp.20190802.11

Cited by 5 publications

(3 citation statements)

References 27 publications

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“…In contrast to [2][3][4][5][6][7][8][9][10][11][12][13][14][15], the algorithm of determining the imbalance (Fig. 2) makes it possible not only to obtain average or integrated values but also the probability distribution density.…”

Section: Discussion Of the Results Obtained In Modeling The Process Of Power Balancingmentioning

confidence: 99%

“…An overview of studies on the stability of autonomous power systems using RES depending on their configuration is given in [2]. An extensive overview of hybrid system configurations, methods of mathematical modeling, and control strategies are considered in [3]. It is shown that the combined use of different renewable energy sources as an alternative to extracted fuels is increasing.…”

Section: Literature Review and Problem Statementmentioning

confidence: 99%

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Ensuring power balance in a hybrid power system with a standby generator

Kuznietsov

Лысенко

Chebanov

et al. 2021

EEJET

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The combination of several non-guaranteed random energy sources (RES), conventional sources, and nonconstant consumer loads in a local system leads to stochastic power imbalances. This study objective consists in determining the possibilities of ensuring the power balance in a hybrid power generation system with a standby generator and a search for the methods of calculating the optimal parameters to achieve energy balance. This objective is achieved by simulating the processes inherent in wind and solar power engineering and the regimes of energy consumption through a combination of random functions with a standard probability distribution. Aggregated data on weather factors for several years in a region with a high renewable energy potential which can be used to describe the behavior of wind and solar energy over time were used as experimental data. The use of multiple simulations of random processes with calculated parameters has made it possible to draw conclusions about the presence of certain ratios of power and the generator control modes. These ratios can determine minimum energy and consumption losses, reduce the likelihood of energy imbalance, more efficiently use the reserved power. Specific features of the stochastic nature of RES related to the presence of trends and random fluctuations at short hourly intervals were additionally taken into account. Possibilities of varying the conditions of and switching on and off of the standby generator were provided. The existence of some ranges was established for the installed power of the generator outside which its use becomes inefficient. The proposed approach makes it possible to find the probability of various system states, assess the reliability of energy supply, and minimize unproductive losses.

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Section: Discussion Of the Results Obtained In Modeling The Process Of Power Balancingmentioning

confidence: 99%

Section: Literature Review and Problem Statementmentioning

confidence: 99%

Ensuring power balance in a hybrid power system with a standby generator

Kuznietsov

Лысенко

Chebanov

et al. 2021

EEJET

View full text Add to dashboard Cite

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“…In addition, this energy source has potential to be applied in remote areas that cannot be reached by the national electricity company [5]. However, energy produced by renewable energy sources is usually unstable, highly dependent in location and influenced by weather conditions [6]. Therefore, to overcome the shortage, hybrid power plants which use more than one energy source are developed [7].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Solar and Wind-Based Hybrid Power Plant Using HOMER Software (Case Study: EMAS BAYU Hybrid Power Plant in Bondan, Cilacap)

Supriyono¹,

Nurrohman²,

Santoso³

et al. 2021

Proceedings of the 2nd Borobudur International Symposium on Science and Technology (BIS-STE 2020)

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Solar energy is an energy source that is widely used because it is free energy, eco-friendly and very abundant, especially in tropical countries. However, the energy obtained from solar energy is inconsistent and is heavily influenced by environmental factors. Recently, many researchers have developed hybrid power plants which combine two or more different energy sources in the same system. In this research, we develop a hybrid power plant with an off-grid system (not connected to the national electricity company) that utilizes solar and wind energy. The hybrid power plant being developed is installed in Bondan hamlet, Kampung Laut District, Cilacap Regency. The installed power plant is determined for its performance by analyzing several parameters such as total energy production, net present cost (NPC) and cost of energy (COE). These parameters are analyzed using software which called hybrid optimization of multiple energy resources (HOMER). The simulation results show that the total energy generated from photovoltaics (PV) is 5.8 times higher than that of the wind turbine, with details being 10,480 kWh/year from PV and 1,805 kWh/year from the wind turbine. For the COE and NPC values are Rp. 14,266/kWh and Rp. 1,190,000,000, respectively.

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