200KWP kurulu güçteki lebit enerji güneş santralinin PVSYST ile tasarımı ve üretim değerleri ile simulasyon değerlerinin karşılaştırılması

06.03.2018 tarihli ve 30352 sayılı Resmi Gazetede yayımlanan “Yükseköğretim Kanunu İle Bazı Kanun Ve Kanun Hükmünde Kararnamelerde Değişiklik Yapılması Hakkında Kanun” ile 18.06.2018 tarihli “Lisansüstü Tezlerin Elektronik Ortamda Toplanması, Düzenlenmesi ve Erişime Açılmasına İlişkin Yönerge” gereğince tam metin erişime açılmıştır.Bu çalışmada, PVsyst V6.67-TRİAL programı ile şebekeye bağlı PV sisteminin tasarımı yapılarak, gerçek üretim değerleri ile simülasyon değerlerinin karşılaştırılması amaçlandı. PVsyst V6.67-TRİAL programı ile aylık ve yıllık radyasyon miktarı, aylık ve yıllık üretim verileri, PV sisteme ait kayıplar (termal kaybı, kablolama kaybı, gölgeleme kaybı, uyumsuzluk kaybı, tozlanma ve karlanma kaybı, panel kaybı, inverter kaybı vb.) ve performans verileri elde edildi. Geniş bir seçim yelpazesine sahip olan program ayrıca bölge seçimi, panel, inverter tasarımı imkânları da sunmaktadır. Bu amaçlar doğrultusunda, 200kWp kurulu güce sahip, Lebit Enerji güneş santraline ait bilgiler, PVsyst V6.67-TRİAL programına aktarıldı ve simüle edilerek, gerçek üretim verileri ile simülasyon verileri karşılaştırıldı. Simülasyon sonucunda elde edilen rapor ile sisteme ait kayıplar (termal kaybı, kablolama kaybı, gölgeleme kaybı, uyumsuzluk kaybı, tozlanma ve karlanma kaybı, panel kaybı, inverter kaybı vb.) analiz edildi. Yapılan analizde, simülasyon sonuçları ile gerçek üretim değerleri arasında yaklaşık % 0.56' lık bir fark olduğu görüldü. Bu sonuç, tasarım aşamasında olan PV sistemleri için, yapılan fizibilite çalışmalarına büyük katkı sağlayacaktır

Media Literacy and Rural Women Entrepreneurship: Experience from Japan and Turkey

Purpose: This article is a study on rural women entrepreneurship. This comparative study focuses on rural women in Japan and Turkey, and how those women utilize the media to increase their entrepreneurship capacity. Despite the trend in media and entrepreneurship, the number of sector or industry specific studies are very limited, and therefore this study contributes to provide some evidence in agriculture sector in specific. Methodology: This study is a combination of bibliographic and case studies analysis on work between 2010 and 2020. Selected articles and reports were examined focusing on relevant policies and activities implemented in both countries. A qualitative research approach was used for better understanding of the contextual factors by presenting special stories from each country. Findings/Contribution: This comparative study shed the new light on the dimension of media literacy, and how rural women are adapted to utilize the technology to develop their entrepreneurial capacity in two different socio economic status Asian countries

Developments in the European Union and Turkey organic farming legislation and the analysis of recent regulations

Son yıllarda özellikle, gelişmiş ülkelerdeki organik tarım ticareti hızla gelişmektedir. Türkiye'nin Avrupa Birliği (AB) ülkelerine organik tarım ve gıda ürünlerindeki ihracatını artırabilmesi için üretim ve pazarlama konularının yanında, mevzuatını da uyumlu hale getirmesi büyük önem taşımaktadır. Bu çalışmanın amacı, AB organik tarım mevzuatında 1 Ocak 2009'dan itibaren yürürlükten kalkmış 2092/91 sayılı yönetmeliğin yerine yürürlüğe giren 834/2007, 889/2008 ve 1235/2008 sayılı yönetmeliklere Türkiye'nin uyumu ile ilgili düzenlemeleri ortaya koymaktır. Çalışmada öncelikle AB organik tarım mevzuatındaki önemli değişimler ortaya konulmuştur. AB organik tarım mevzuatında yeni dönemin yönetmeliklerinin güçlü ve zayıf yanları analiz edilmiştir. Daha sonra, Türkiye'de organik tarım mevzuatındaki tarihsel gelişmeler ve organik tarım mevzuatı incelenmiştir. Öncelikle 3 Aralık 2004'de 5262 sayılı Organik Tarım Kanunu, sonrasında da bu Kanun'un uygulamalarını belirten 18.08.2010 tarih ve 27676 sayılı "Organik Tarımın Esasları ve Uygulanmasına İlişkin Yönetmelik” ele alınmıştır. Çalışmanın son bölümde ise, Türkiye'nin organik tarım mevzuatının AB organik tarım mevzuatına uyumu tartışılmış ve AB'nin yeni mevzuatına uyumlu olduğu tespit edilmiştir. AB'de yapılan değişikliklerin ana hedefi yönetmeliği basitleştirmek olmasına rağmen; bu hedefe ulaşıldığını söylemek güçtür.Recently, organic farming trade has been improving rapidly, especially in developing countries. In order to increase Turkey's export of organic farming and food products to the European Union (EU) countries, it has great importance to make legislation compatible besides its manufacturing and marketing issues. The purpose of this study is to emphasize in the EU legislation on organic farming instead of 2092/91 dated regulation abolished from 1 January 2009, 834/2007, 889/2008 and 1235/2008 dated regulations, which came into effect, state Turkey's alignment with the concerned regulations. The study primarily indicates significants changes in EU organic farming legislation. The Strengths and weaknesses of the regulations in the new era of EU legislation on organic farming have been analyzed. Later, historical developments and legislation of organic farming in Turkey have been examined. First of all, Organic Agriculture Law No. 5262 on December 3, 2004, afterwards 27676 dated on August 18,2010 "Regulation on Organic Farming Principles and Practices" indicating this law's applications have been examined. In the last part of the study, complaince between Turkish and the EU organic farming legislations discussed and found that the Turkish legislation was compatible with the new EU legislation. Although, the main aim of the changes was to simplify the EU legislation, it seems that this could not been achieved

Analysis of Lebit Energy Solar Power Plants with Pvsyst Program

Bu çalışmada, 200kWp kurulu güce sahip, Lebit Enerji güneş santraline ait bilgiler, PVsyst V6.67-TRİAL programına aktarılmış, simüle edilmiş ve gerçek üretim verileri ile simülasyon verileri karşılaştırılmıştır. Simülasyon sonucunda elde edilen rapor ile sisteme ait kayıplar (termal kaybı, kablolama kaybı, gölgeleme kaybı, uyumsuzluk kaybı, tozlanma ve karlanma kaybı, panel kaybı, inverter kaybı vb.) analiz edilmiştir. Yapılan analizde, simülasyon sonuçları ile gerçek üretim değerleri arasında yaklaşık %0.56’lık bir fark olduğu görülmüştür. Bu sonuç, tasarım aşamasında olan PV sistemleri için, yapılan fizibilite çalışmalarına büyük katkı sağlayabileceği gibi, hali hazırda kurulu olan PV sistemlerin daha verimli hale getirilebilmesi için, yapılacak olan revizyon çalışmalarına ışık tutabilir.For the purposes, actual production values and simulation values were compared with using the datas of 200kWp Lebit Enerji solar power plant, which was transferred and simulated to PVsyst V6.67-TRIAL program. Systematic losses (temperature and wind loss, cable loss, shading loss, loss of incompatibility, loss of dust and snow, loss of panel, loss of inverter, etc.) were analyzed by the report obtained as a result of the simulation. In the analysis shows that, there is a difference about % 0.56 between the simulation results and the actual production values. This will provide big convenience for feasibility studies of PV systems that are in the design step, on the other hand it can be guide to make revision more effective PV systems

The comparison of social networks between organic and conventional hazelnut producers in Samsun

This study was carried out to reveal the sources of communication and social network of organic and conventional hazelnut producers in Samsun province. The primary and basic material of the study is the data obtained from the surveys, interviews and observations of the organic and conventional hazelnut producers in Çamlıca, Yüksekyayla villages and Ağcagüney town. Both producer groups were compared in terms of their social networks and communication channels especially on the use of different fertilizers by making suggestions on how to develop it. The results of the research showed that socio-economic status of the organic hazelnut producers was better than conventional producers in terms of land size, income, cooperation capacity, risk management and agricultural supports. Social Network Analysis (SNA) has shown the graphs of communication networks among the producers, their relationships with different public, private and mass media information sources and especially revealed leader farmers whom functioned as source of information transfer (or even blocker) among them. The relationships in organic hazelnut producers’ communication network in the village are strong, dense and information sources are varied. On the contrary, the relationships in communication network of conventional hazelnut producers were looser, strong and information sources were uniform. The main source of technical information for both groups of producers was the experienced leader farmers; as for organic producers, the heads of the local organic producers' union was the main information source in terms of commercial, legal and organizational aspects. In other words, both organic and conventional producers rely on knowledge and experience of producers who take on the role of opinion leader within the village. Therefore, innovation and knowledge transfer to farmers can be delivered through these opinion leaders. As a result of the research, it can be said that institutional information sources do not adequately support organic and conventional hazelnut growers. Thus, organic producers developed their local knowledge source based on their on-farm trials and experiences and shared this knowledge within their peer groups. However, this information needs to be supported with scientific findings

The Comparison of Agricultural Knowledge and Information Systems (Akis) For Adopters and Non-Adopters of Good Agricultural Practices in Bafra District of Samsun, Turkey

The purpose of the study is to compare Agricultural Knowledge and Information Systems (AKIS) for adopters and non-adopters of Good Agricultural Practices (GAPs) in the Bafra district of Samsun, Turkey. The main materials of this study are the data obtained from a survey and interview with adopters and non-adopters of GAPs in Bafra district. The research data were collected from 77 farmers contained both adopters and non-adopters of GAPs. Statistical analysis, such as Chi-square and t-test was used. The study results presented the socio-economic characteristics of farmers. There was a significant difference between adopters and non-adopters of GAPs, according to household size, organizational membership, farm size, livestock and crop production. Meanwhile, the information sources such as a district agricultural manager/personnel, adviser of the farmers’ union association (GAPs) and pesticide/fertilizer dealers were preferred the main sources of agricultural information for adopters of GAPs. However, it recommended that information sources like research institute, university and cooperatives needs to be improved by strengthening their way of information dissemination. In terms of usefulness of AKIS for this study, it seems that this system was insufficient to analyze this study. Even though the functions of this system are essent ial elements, they are insufficient for establishing a network of complex innovation-oriented institutional arrangements. In the future, this study suggests to analyze GAPs it needs to use Agricultural Knowledge and Innovation System (AKIS) approach, because this system have many interaction networks that can facilitate the researchers to reach the innovation easily to the intended farmers