1,720,956 research outputs found
EVALUASI RUGI-RUGI DAYA DAN TEGANGAN SISTEM TRANSMISI 150 KV REGION II JAWA BARAT
No full textPenelitian ini berlokasi di PT.PLN APB Jawa Barat dengan subjek yang diangkat adalah rugi-rugi daya dan tegangan pada saluran transmisi 150 kV Region II Jawa Barat. Tujuan dari penelitian ini adalah untuk mengetahui rugi-rugi daya pada saluran transmisi dan tegangan pada sistem transmisi 150 kV pada saat kondisi beban puncak pukul 19.00 WIB.
Alasan dilaksanakannya penelitian ini adalah untuk mengevaluasi sejauhmana kerugian daya dan nilai tegangan sistem masih berada pada kriteria keandalannya mengingat kerugian daya dan drop tegangan merupakan permasalahan yang sering terjadi pada bagian transmisi. Metode yang digunakan dalam penelitian ini adalah membandingkan hasil rugi-rugi daya dan tegangan sistem transmisi 150 kV antara hasil menggunakan data aktual PT.PLN APB Jawa Barat dengan software ETAP 7.0 dan perhitungan manual. Hasil yang didapat dari perhitungan menggunakan data aktual PT.PLN APB Jawa Barat untuk nilai kerugian daya pada saluran pada studi kasus hari Minggu, 02 November 2014 pukul 19.00 WIB secara umum lebih besar bila dibandingkan dengan studi kasus hari Senin, 01 Desember 2014 pukul 19.00 WIB. Dan terdapat dua saluran dengan nilai persentase kerugian daya yang besar yaitu saluran Dago Pakar I – Ujung Berung I dan Kamojang II – Wayang Windu II. Sedangkan untuk nilai tegangan sistem pada kedua studi kasus telah berada pada kriteria andal. Hasil kerugian daya dan tegangan sistem dengan menggunakan ETAP 7.0 dan perhitungan manual memberikan nilai yang lebih kecil. Akan tetapi memberikan trend yang sama dengan hasil PT.PLN APB Jawa Barat.
Kata kunci : Saluran Transmisi, Rugi-Rugi Daya, Tegangan, ETAP 7.0
This research was conducted at PT. PLN West Java APB with topic the power and voltage loss on transmission line 150 kV West Java Region II. The purpose of this research was to know the power and voltage loss on the 150kV transmission system at the time of peak load conditions at 19:00. The reason of this research was done is to evaluate how much power and voltage losses rating systems are still at the its robustness criteria considering the power loss and voltage drop is a problem that often occurs on the part of the transmission. The method used in this research was comparing the result power and voltage losses between actual data of PT. PLN APB west java with ETAP software and manual calculation. The results obtained from calculations using actual data from PT. PLN APB West Java for the value of the loss of power on the line on Sunday, case study 02 November 2014 at 19:00 in General is greater when compared with case studies Monday, December 01, 2014 at 19:00. There are two lines of power loss with a big percentage value which is Dago Pakar I –Ujung Berung I and Kamojang II – Wayang Windu II. As for the value of the system voltage on both case studies has been on the criteria of reliable. The results of the power loss and voltage system using ETAP 7.0 and manual calculations and give a smaller value but give the same trend with the results from PT. PLN APB West Java.
Keywords: Transmission Line, Power losses, Voltage, ETAP 7.
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Get PDF“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Get PDFWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Get PDFWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
Author-wise bibliometric analysis based on entropy.
No full textAuthor-wise bibliometric analysis based on entropy.</p
Author Under Sail The Imagination of Jack London, 1893-1902
No full textIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Intro -- Title Page -- Copyright Page -- Dedication -- Contents -- Acknowledgments -- Introduction -- 1. Spirit Truth -- 2. From Absorption to Theatricality and Back Again -- 3. "I Will Build a New Present" -- 4. Sons as Authors -- 5. Fathers as Publishers -- 6. The Daughter as Author -- 7. Lovers as Authors -- 8. At Sea with the Family -- 9. Yellow News, Yellow Stories -- 10. The Return Home -- Notes -- Bibliography -- Index -- About Jay WilliamsIn Author Under Sail, Jay Williams offers the first complete literary biography of Jack London as a professional writer engaged in the labor of writing. It examines the authorial imagination in London's work, the use of imagination in both his fiction and nonfiction, and the ways he defined imagination in the creative process in his business dealings with his publishers, editors, and agents. In this first volume of a two-volume biography, Williams traverses the years 1893 to 1902, from London's "Story of a Typhoon" to The People of the Abyss. The Jack London who emerges in the pages of Author Under Sail is a writer whose partnership with publishers, most notably his productive alliance with George Brett of Macmillan, was one of the most formative in American literary history. London pioneered many author models during the heyday of realism and naturalism, blurring the boundaries of these popular genres by focusing on absorption and theatricality and the representation of the seen and unseen. London created an impassioned, sincere, and extremely personal realism unlike that of other American writers of the time. Author Under Sail is a literary tour de force that reveals the full range of London as writer, creative citizen, and entrepreneur at the same time it sheds light on the maverick side of machine-age literature.Description based on publisher supplied metadata and other sources.Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, YYYY. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries
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