Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624872
A. Ayat, S. Arris, A. Meniai
In this work, FeCl3 has proven its capacity to keep suspended solids and chemical oxygen demand through the coagulation/flocculation process of the landfill leachate pretreatment. The experimental variables (pH and coagulant dosage) were optimized by applying response surface methodology equipped with the central composite faced design. Results showed that the reduction efficiencies for turbidity and COD at pH 5 and FeCl3 dosage of 3.12 g/L were recommended to achieve final values of 8.1 NTU and 225.2 mg/L(O2) for turbidity, and COD respectively.
{"title":"Landfill Leachate Pretreatment by Coagulation/Flocculation Process : Optimization by response surface methodology","authors":"A. Ayat, S. Arris, A. Meniai","doi":"10.1109/IREC52758.2021.9624872","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624872","url":null,"abstract":"In this work, FeCl3 has proven its capacity to keep suspended solids and chemical oxygen demand through the coagulation/flocculation process of the landfill leachate pretreatment. The experimental variables (pH and coagulant dosage) were optimized by applying response surface methodology equipped with the central composite faced design. Results showed that the reduction efficiencies for turbidity and COD at pH 5 and FeCl3 dosage of 3.12 g/L were recommended to achieve final values of 8.1 NTU and 225.2 mg/L(O2) for turbidity, and COD respectively.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122355399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624767
Nasiru B. Kadandani, M. Dahidah, S. Ethni
The power quality of electrical grid is becoming vulnerable to transients and other power quality issues due to the continuous penetration of renewable energy resources (RERs) and other distributed generations (DGs) into the grid. However, the efforts made in transforming the conventional grids into smart ones with improved communication and control have yielded significant improvement in terms of power quality and other ancillary functionalities. To facilitate this further, solid state transformer (SST) have been proposed as the most aiding device for ensuring flexibility and intelligence, increased interconnection possibilities, improved reliability, voltage and current control, frequency stability as well as power quality improvement in the smart grid. This paper provides an overview of the basic functionalities of SST in smart grid.
{"title":"An Overview of the Role of Solid State Transformer in Smart Grid","authors":"Nasiru B. Kadandani, M. Dahidah, S. Ethni","doi":"10.1109/IREC52758.2021.9624767","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624767","url":null,"abstract":"The power quality of electrical grid is becoming vulnerable to transients and other power quality issues due to the continuous penetration of renewable energy resources (RERs) and other distributed generations (DGs) into the grid. However, the efforts made in transforming the conventional grids into smart ones with improved communication and control have yielded significant improvement in terms of power quality and other ancillary functionalities. To facilitate this further, solid state transformer (SST) have been proposed as the most aiding device for ensuring flexibility and intelligence, increased interconnection possibilities, improved reliability, voltage and current control, frequency stability as well as power quality improvement in the smart grid. This paper provides an overview of the basic functionalities of SST in smart grid.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127091981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624879
Ibrahim. H. Tawil, M. BenAbeid, Said O. Belhaj, Belgasim Sowid
Mosques are classified as one of the most attractive places for the Libyan people during prayer times, where electrical power converted into many energy types. Hot water is required for ablution during the cold season, which occupies 5 months per year approximately. Where electrical power is utilized to provide hot water demand, the reduction of electricity use of mosques is the target of this work.This paper, represents a study of ten mosques in Tripoli, Libya to examine their suitability for alternative energy applications that includes solar thermal water heating and photovoltaic electrical power generation applications in collaboration with the General Authority of Islamic Affairs and CSERS states. Therefore, a detailed study is performed for site shading probability during the year using Climate Consultant 6.0 software, and Sketchup Make 2017. Furthermore, the solar water heating system is designed by (T*SOL Pro 5.5) design and simulation software. The resultant has illustrated that the employing of forced circulation solar water heating systems for their high capacities. where thermosyphon systems could fail to fulfil water heating load in the studied mosques, due to the presence of the surrounding buildings shade among winter and the high water heating load of such crowded mosques. However, the operation of the critical electrical loads is performed by standalone PV system.
清真寺被列为利比亚人民在祈祷时间最具吸引力的地方之一，在那里电力转换成多种能源。在每年约5个月的寒冷季节，洗澡需要热水。在利用电力提供热水需求的地方，减少清真寺的用电量是这项工作的目标。本文代表了与伊斯兰事务总局和CSERS国家合作，对利比亚的黎波里的10座清真寺进行的一项研究，以检查它们是否适合替代能源应用，包括太阳能热水和光伏发电应用。因此，使用Climate Consultant 6.0软件和Sketchup Make 2017对一年中站点遮阳概率进行了详细的研究。利用(T*SOL Pro 5.5)设计和仿真软件对太阳能热水系统进行了设计。结果表明，采用强制循环式太阳能热水系统具有较高的供热能力。热虹吸系统可能无法满足所研究清真寺的水加热负荷，因为周围建筑物在冬季遮阳，而且这些拥挤的清真寺的水加热负荷很高。然而，关键电力负荷的运行是由独立的光伏系统完成的。
{"title":"Simulation and Evaluation of The Solar Energy Systems in The Public Buildings in The City of Tripoli-Libya : Mosques Sector","authors":"Ibrahim. H. Tawil, M. BenAbeid, Said O. Belhaj, Belgasim Sowid","doi":"10.1109/IREC52758.2021.9624879","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624879","url":null,"abstract":"Mosques are classified as one of the most attractive places for the Libyan people during prayer times, where electrical power converted into many energy types. Hot water is required for ablution during the cold season, which occupies 5 months per year approximately. Where electrical power is utilized to provide hot water demand, the reduction of electricity use of mosques is the target of this work.This paper, represents a study of ten mosques in Tripoli, Libya to examine their suitability for alternative energy applications that includes solar thermal water heating and photovoltaic electrical power generation applications in collaboration with the General Authority of Islamic Affairs and CSERS states. Therefore, a detailed study is performed for site shading probability during the year using Climate Consultant 6.0 software, and Sketchup Make 2017. Furthermore, the solar water heating system is designed by (T*SOL Pro 5.5) design and simulation software. The resultant has illustrated that the employing of forced circulation solar water heating systems for their high capacities. where thermosyphon systems could fail to fulfil water heating load in the studied mosques, due to the presence of the surrounding buildings shade among winter and the high water heating load of such crowded mosques. However, the operation of the critical electrical loads is performed by standalone PV system.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115496373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624851
Nasiru B. Kadandani, M. Dahidah, S. Ethni
Grid operators and wind farm vendors often employs multiple circuitries including but not limited to line frequency transformer (LFT), static synchronous compensator (STATCOM) and power factor correction (PFC) devices for grid integration of wind farms. Such components are usually heavy, noisy and causes greenhouse effect. The bulky power transformers for both STATCOM and the wind farm generator hinders this configuration from applications where volume and weight are issues. As such, STATCOM-interfaced wind farm cannot be sited where size, weight, compactness, cable solution, multiport capability and environmental friendliness are critical. This paper demonstrate how solid state transformer (SST) replaces the STATCOM, the bulky transformers, and the additional reactive power compensation devices in grid integration of wind farms thereby providing smaller footprint, compactness and high performance. It is concluded that, SST-interfaced wind farms can be sited anywhere because of the reduced size, weight, compactness, cable solution, multiport capability and environmental friendliness.
{"title":"An Overview of the Role of Solid State Transformer in Grid Connected Wind Farms","authors":"Nasiru B. Kadandani, M. Dahidah, S. Ethni","doi":"10.1109/IREC52758.2021.9624851","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624851","url":null,"abstract":"Grid operators and wind farm vendors often employs multiple circuitries including but not limited to line frequency transformer (LFT), static synchronous compensator (STATCOM) and power factor correction (PFC) devices for grid integration of wind farms. Such components are usually heavy, noisy and causes greenhouse effect. The bulky power transformers for both STATCOM and the wind farm generator hinders this configuration from applications where volume and weight are issues. As such, STATCOM-interfaced wind farm cannot be sited where size, weight, compactness, cable solution, multiport capability and environmental friendliness are critical. This paper demonstrate how solid state transformer (SST) replaces the STATCOM, the bulky transformers, and the additional reactive power compensation devices in grid integration of wind farms thereby providing smaller footprint, compactness and high performance. It is concluded that, SST-interfaced wind farms can be sited anywhere because of the reduced size, weight, compactness, cable solution, multiport capability and environmental friendliness.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130768264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624920
Zakariya Rajab, A. Khalil, A. Elbreki, Fasial Mohamed
The fast development in the power system restructuring led to a change in the traditional view of the power systems where novel concepts emerged. To maximize the generated power from renewable energy sources while reduce the cost and improving the reliability, the concept of the Microgrid has been adopted. Microgrids defined as a group of distributed generation, loads as well as storage components. As a first step a planning stage of Microgrids is, maximize the benefits of distribution generation installation where the central power plant is not practical or in case of remote areas. The main objectives of optimal sizing and siting of distribution generation are loss minimization; maximize the reliability and power quality and improvement the voltage profile and system efficiency. This paper gives a brief review on the fundamental of distributed generation technologies and the classical and modern siting and sizing approach techniques. In this context, the comprehensive reviews is carried out with a comparative between the applied methods, goals, advantages and disadvantage. As recommendations, future trends techniques are proposed.
{"title":"A brief Survey on Optimal Sizing and Siting Techniques for Microgrids Generation Units","authors":"Zakariya Rajab, A. Khalil, A. Elbreki, Fasial Mohamed","doi":"10.1109/IREC52758.2021.9624920","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624920","url":null,"abstract":"The fast development in the power system restructuring led to a change in the traditional view of the power systems where novel concepts emerged. To maximize the generated power from renewable energy sources while reduce the cost and improving the reliability, the concept of the Microgrid has been adopted. Microgrids defined as a group of distributed generation, loads as well as storage components. As a first step a planning stage of Microgrids is, maximize the benefits of distribution generation installation where the central power plant is not practical or in case of remote areas. The main objectives of optimal sizing and siting of distribution generation are loss minimization; maximize the reliability and power quality and improvement the voltage profile and system efficiency. This paper gives a brief review on the fundamental of distributed generation technologies and the classical and modern siting and sizing approach techniques. In this context, the comprehensive reviews is carried out with a comparative between the applied methods, goals, advantages and disadvantage. As recommendations, future trends techniques are proposed.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128269116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624886
M. Abed, A. Mhalla
Much research is directed to evaluate the performance of renewable energies such as photovoltaic (PV) and wind due to their significant impact on the reliability of the power system. This paper presents the reliability assessment of the solar PV system by concentrating on the probabilistic of the variability power PV connected to components of dc converter circuits. Three different types of dc chopper (Boost, Buck-Boost, and cuk) are analyzed based on each converter component's failure rate and the mean time between failures. PV integration with a dc converter improves the probabilities of various levels of PV; therefore, system adequacy indices such as reference yield and loss of load expectation are evaluated to evidence the system reliability performance. A comparison of the dc converters and loss indexes is made using the MATLAB environment. The outcome of shows more stability and reliability with the Cuk dc converter.
{"title":"Adequate Reliability Assessment of Solar PV Generator Based Dc Chopper","authors":"M. Abed, A. Mhalla","doi":"10.1109/IREC52758.2021.9624886","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624886","url":null,"abstract":"Much research is directed to evaluate the performance of renewable energies such as photovoltaic (PV) and wind due to their significant impact on the reliability of the power system. This paper presents the reliability assessment of the solar PV system by concentrating on the probabilistic of the variability power PV connected to components of dc converter circuits. Three different types of dc chopper (Boost, Buck-Boost, and cuk) are analyzed based on each converter component's failure rate and the mean time between failures. PV integration with a dc converter improves the probabilities of various levels of PV; therefore, system adequacy indices such as reference yield and loss of load expectation are evaluated to evidence the system reliability performance. A comparison of the dc converters and loss indexes is made using the MATLAB environment. The outcome of shows more stability and reliability with the Cuk dc converter.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125349147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624926
Nidhal Mdini, S. Skander-Mustapha, I. Slama-Belkhodja
This paper deals with a battery energy storage system (BESS) with a 4-wires residential microgrid based on photovoltaic and batteries. The key idea is to ensure a gridforming control able to adjust microgrid voltage and frequency while maintaining the equilibrium at the midpoint of the DC bus connected to PV and BESS. In addition, the control algorithm considers the inertia emulating. Simulation results demonstrated the performance of the grid forming with power droop control with PSIM. Experimental results are given to prove the effectiveness of the proposed algorithm with 20 kVA prototype.
{"title":"Control with grid forming of a PV-BESS system for a 4-wire residential microgrid","authors":"Nidhal Mdini, S. Skander-Mustapha, I. Slama-Belkhodja","doi":"10.1109/IREC52758.2021.9624926","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624926","url":null,"abstract":"This paper deals with a battery energy storage system (BESS) with a 4-wires residential microgrid based on photovoltaic and batteries. The key idea is to ensure a gridforming control able to adjust microgrid voltage and frequency while maintaining the equilibrium at the midpoint of the DC bus connected to PV and BESS. In addition, the control algorithm considers the inertia emulating. Simulation results demonstrated the performance of the grid forming with power droop control with PSIM. Experimental results are given to prove the effectiveness of the proposed algorithm with 20 kVA prototype.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125271517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624858
Maha M. Ayoub, Mohamed H. Hassan, S. Kamel, F. Jurado
In this article, a new application of Transient Search Optimization (TSO) is proposed for estimating the Hybrid Active Power Filter (HAPF) parameters. HAPF is a sophisticated type of harmonic filter that incorporates the advantages of both active and passive filters. Better quality concerns, reduced complexity, superior efficiency, and lower costs are significant criteria that must be met in terms of quality of electricity. There is a passive filter and an active control filter in the framework adopted. The passive power filter (PPF) with a high-power rating is utilized to filter the low order harmonic current. An active power filter (APF) is utilized to filter other high order harmonics with a low power rating. The cost of the HAPF is also considerably lower than that of the APF. TSO achieves better results than the other recent algorithms. The study takes into consideration the widely used HAPF topography for model validation. In a system containing non-linear loads and non-linear source, a clear specific function representative of both total voltage harmonic distortion (VTHD) and total current harmonic distortion (ITHD) is established which helps to decrease the harmonic pollution (HP). The findings of the TSO algorithm are compatible with the associated previous analysis and with other excellent optimization techniques.
{"title":"Optimal Design of Hybrid Active Power Filter Based on Transient Search Optimization","authors":"Maha M. Ayoub, Mohamed H. Hassan, S. Kamel, F. Jurado","doi":"10.1109/IREC52758.2021.9624858","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624858","url":null,"abstract":"In this article, a new application of Transient Search Optimization (TSO) is proposed for estimating the Hybrid Active Power Filter (HAPF) parameters. HAPF is a sophisticated type of harmonic filter that incorporates the advantages of both active and passive filters. Better quality concerns, reduced complexity, superior efficiency, and lower costs are significant criteria that must be met in terms of quality of electricity. There is a passive filter and an active control filter in the framework adopted. The passive power filter (PPF) with a high-power rating is utilized to filter the low order harmonic current. An active power filter (APF) is utilized to filter other high order harmonics with a low power rating. The cost of the HAPF is also considerably lower than that of the APF. TSO achieves better results than the other recent algorithms. The study takes into consideration the widely used HAPF topography for model validation. In a system containing non-linear loads and non-linear source, a clear specific function representative of both total voltage harmonic distortion (VTHD) and total current harmonic distortion (ITHD) is established which helps to decrease the harmonic pollution (HP). The findings of the TSO algorithm are compatible with the associated previous analysis and with other excellent optimization techniques.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117002803","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624790
Zakarya A. Atraqchi, Yasir M.Y. Ameen Ameen, A. Younis
Recently, the resonance phenomenon in contactless energy transfer (CET) is widely used to deliver power to a load over a relatively large air gap between the transmitter (Tx) and receiver (Rx) coils via magnetic coupling. Since many reactive components in the CET system are contributed to the resonance phenomenon, therefore there are many resonant frequencies. In this paper, a comparative study is made to find the resonant frequency based on leakage-inductance and self-inductance for determining the compensation element values in a series-series (SS) compensated CET system.
{"title":"A Comparati`ve Study of Resonant Frequency Calculation Based on Leakage-Inductance and Self-Inductance for CET System","authors":"Zakarya A. Atraqchi, Yasir M.Y. Ameen Ameen, A. Younis","doi":"10.1109/IREC52758.2021.9624790","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624790","url":null,"abstract":"Recently, the resonance phenomenon in contactless energy transfer (CET) is widely used to deliver power to a load over a relatively large air gap between the transmitter (Tx) and receiver (Rx) coils via magnetic coupling. Since many reactive components in the CET system are contributed to the resonance phenomenon, therefore there are many resonant frequencies. In this paper, a comparative study is made to find the resonant frequency based on leakage-inductance and self-inductance for determining the compensation element values in a series-series (SS) compensated CET system.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114361604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-10-26DOI: 10.1109/IREC52758.2021.9624830
M. A. Bucarelli, F. Carere, T. Bragatto, F. Santori
Hydrogen aroused a great interest in the last decades as a promising energy vector for the energy transition as well as renewable energy storage. This article investigates the technical feasibility of a hydrogen-powered fleet, in the context of a microgrid with renewable generation. The hydrogen demand is satisfied through the electrolyser powered by local RES and periodical external refueling of a local hydrogen storage system. The model of the microgrid is implemented in the open-source GNU Octave environment and is exploited to size the local storage capacity. Different types of vehicles were considered and hydrogen pressure levels were distinguished among the system components. The model was applied to the waste collection fleet and the headquarters of ASM S.p.A., a utility located in the center of Italy, chosen as a case study. The dataset of 143 vehicles was used to model the hydrogen-powered fleet. Three scenarios were evaluated: hydrogen production using i) Reverse Power Flow, ii) PV production and iii) electricity drown from the grid. The storage capacity depends on the scenarios and in the case study it ranges from about 35 to 47 m3, in comparison with 13.6 m3 of current diesel refueling system, assuming the same frequency of external refueling.
{"title":"Exploiting RES for Hydrogen mobility: a new scenario for the company's fleet management","authors":"M. A. Bucarelli, F. Carere, T. Bragatto, F. Santori","doi":"10.1109/IREC52758.2021.9624830","DOIUrl":"https://doi.org/10.1109/IREC52758.2021.9624830","url":null,"abstract":"Hydrogen aroused a great interest in the last decades as a promising energy vector for the energy transition as well as renewable energy storage. This article investigates the technical feasibility of a hydrogen-powered fleet, in the context of a microgrid with renewable generation. The hydrogen demand is satisfied through the electrolyser powered by local RES and periodical external refueling of a local hydrogen storage system. The model of the microgrid is implemented in the open-source GNU Octave environment and is exploited to size the local storage capacity. Different types of vehicles were considered and hydrogen pressure levels were distinguished among the system components. The model was applied to the waste collection fleet and the headquarters of ASM S.p.A., a utility located in the center of Italy, chosen as a case study. The dataset of 143 vehicles was used to model the hydrogen-powered fleet. Three scenarios were evaluated: hydrogen production using i) Reverse Power Flow, ii) PV production and iii) electricity drown from the grid. The storage capacity depends on the scenarios and in the case study it ranges from about 35 to 47 m3, in comparison with 13.6 m3 of current diesel refueling system, assuming the same frequency of external refueling.","PeriodicalId":266552,"journal":{"name":"2021 12th International Renewable Energy Congress (IREC)","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126257354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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