Advanced Aspects of Engineering Research Vol. 4最新文献

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New Approach: Induction Heat Treatment of Large Diameter Pipes and Coils 新方法:大直径管盘的感应热处理
Advanced Aspects of Engineering Research Vol. 4 Pub Date : 2021-04-09 DOI: 10.9734/BPI/AAER/V4/7758D
V. Demidovich, Y. Perevalov
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引用次数: 0
Design of Stand-alone Solar-Wind-Hydro Based Hybrid Power System: Case of Rural Village in Malawi 独立太阳能-风能-水力混合动力系统的设计:以马拉维农村为例
Advanced Aspects of Engineering Research Vol. 4 Pub Date : 2019-09-12 DOI: 10.9734/jenrr/2019/v3i330098
S. Chisale, Z. Sari
{"title":"Design of Stand-alone Solar-Wind-Hydro Based Hybrid Power System: Case of Rural Village in Malawi","authors":"S. Chisale, Z. Sari","doi":"10.9734/jenrr/2019/v3i330098","DOIUrl":"https://doi.org/10.9734/jenrr/2019/v3i330098","url":null,"abstract":"Malawi has current electrification rate of less than 10% for a population of 18 million connected to the grid. The electricity generation company in Malawi (EGENCO) is greatly affected by low water levels making it difficult to satisfy the existing demand of electricity. This makes it difficult for Malawi to extend its National electricity grid. Thus, the aim of the study is to design stand-alone hybrid renewable energy system which is economically and technically feasible with focus on hydropower, wind, solar and battery bank within Dwangwa area. The study area is estimated to have 420 households, commercial and public service load with primary load demand of 5,556.31 kWh/day and peak load of 302.93 kW. River discharge data were collected from ministry of irrigation and water development while solar and wind data were collected from NASA. HOMER modeling tool was used to design a stand-alone system. From simulation results, the best design flow for Dwangwa river is 159 L/s at elevation of 100 metres and the best hybrid system combination was hydropower-wind-solar-battery and converter. The whole hybrid system initial capital cost was $2,662,638 while Net present cost (NPC) and levelized cost of energy (LCOE) were $3,597,197 and $0.134/kWh respectively. However, the cost of electricity in Malawi on the grid is K88.02/kWh ($0.11/kWh) which makes the system expensive. Therefore, the study has shown that the hybrid system is not economically viable. However, Government intervention can help to make the system monetarily acceptable and viable.","PeriodicalId":380297,"journal":{"name":"Advanced Aspects of Engineering Research Vol. 4","volume":"44 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131215162","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}
引用次数: 6
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