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            <front>

                <journal-meta>
                                    <journal-id></journal-id>
            <journal-title-group>
                                                                                    <journal-title>Kirklareli University Journal of Engineering and Science</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">2458-7494</issn>
                                        <issn pub-type="epub">2458-7613</issn>
                                                                                            <publisher>
                    <publisher-name>Kirklareli University</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.34186/klujes.1051445</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Engineering</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Mühendislik</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <article-title>DÜZELTME: METRO HATLARINDAKİ RAY GERİLİMİNİ EN 50122 STANDARDINA UYGUN OLARAK SINIRLANDIRILMADA KULLANILAN YÖNTEMLERİN KARŞILAŞTIRILMASI</article-title>
                                                                                                                                                                                                <trans-title-group xml:lang="en">
                                    <trans-title>ERRATUM: COMPARISON OF THE METHODS USED IN LIMITING RAIL VOLTAGE  IN METRO LINES IN ACCORDANCE WITH EN 50122 STANDARD</trans-title>
                                </trans-title-group>
                                                                                                    </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0002-1050-4566</contrib-id>
                                                                <name>
                                    <surname>Akçay</surname>
                                    <given-names>Mehmet Taciddin</given-names>
                                </name>
                                                                    <aff>İstanbul Büyükşehir Belediyesi</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20211231">
                    <day>12</day>
                    <month>31</month>
                    <year>2021</year>
                </pub-date>
                                        <volume>7</volume>
                                        <issue>2</issue>
                                        <fpage>272</fpage>
                                        <lpage>291</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20210121">
                        <day>01</day>
                        <month>21</month>
                        <year>2021</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20210630">
                        <day>06</day>
                        <month>30</month>
                        <year>2021</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 2015, Kirklareli University Journal of Engineering and Science</copyright-statement>
                    <copyright-year>2015</copyright-year>
                    <copyright-holder>Kirklareli University Journal of Engineering and Science</copyright-holder>
                </permissions>
            
                                                                                                <abstract><p>Bu çalışmada DC beslemeli raylı sistemlerde ray toprak geriliminin devre topolojisi üzerinden analizi yapılarak bu problemin çözümü için kullanılan kontrol yöntemleri karşılaştırmalı olarak anlatılmıştır. Devre modeliyle birlikte ilgili standart anlatılarak, uygulanan yöntemlerin başarı oranı önceki durumla karşılaştırılarak hesaplanmıştır. EN 50122 standardı ilgili kısımda anlatılarak işletmenin sağlaması gereken değerler verilmiştir. Çalışma için ray geriliminin düşürülmesi için işletmede tercih edilmesi muhtemel yöntemler benzetim üzerinden grafiklerle anlatılmıştır. Bu yöntemlerden besleme gerilimi değiştirilerek sistemin her bir gerilim seçiminde ayrı ayrı çalıştırılması, sistemin besleme bölgesine ek bir besleme merkezi ilave edilmesi, ray iletkenine paralel bir iletken bağlanması, araç sinyalizasyon teknolojisi yardımıyla enerjinin verimli kullanılması ve VLD (gerilim limitleme cihazı ) ekipmanının kullanılması yöntemleri tercih edilerek sistem çözümlenmeye çalışılmıştır. Çalışmada VLD ekipmanı çalışma algoritması verilirken yöntemlere ait elde edilen sonuçlar ve iyileştirme oranları karşılaştırmalı olarak tablo ile verilmiştir. Sonuç olarak kullanılan bu beş yöntemle sırasıyla % 12.5 ile % 56.2 arasında, % 71.4, % 54.3 ve % 74.3 başarı elde edilmiştir. Son yöntemde ise ray gerilimi kısa devreden dolayı sıfır olduğu için % 100 başarı sağlanmıştır.Bu makalenin ilk hali 30-06-2021 tarihinde yayınlandı.https://dergipark.org.tr/tr/pub/klujes/issue/63402/865974</p></abstract>
                                                                                                                                    <trans-abstract xml:lang="en">
                            <p>In this study, the analysis of the rail ground voltage in DC powered rail systems over the circuit topology and the control methods used to solve this problem are explained comparatively. By explaining the relevant standard with the circuit model, the success rate of the applied methods is calculated by comparing with the previous case. The EN 50122 standard is described in the relevant section and the values that the operation must provide are given. For the study, the methods that are likely to be preferred in the enterprise to reduce the rail voltage are explained with graphics by simulation. Among these methods, operating the system separately for each voltage selection by changing the supply voltage, adding an additional feeding center to the supply area of the system, connecting a conductor parallel to the rail conductor, using the energy efficiently with the help of vehicle signaling technology and using the VLD (voltage limiting device) equipment are preferred and system has been tried to be resolved. While the VLD equipment working algorithm is given in the study, the results and improvement rates obtained from the methods are given in a comparative table. As a result, success was achieved between % 12.5 and % 56.2, % 71.4, % 54.3 and % 74.3 with these five methods. In the last method, % 100 success has been achieved since the rail voltage is zero due to short circuit.KLUJES Cilt 7 Sayı 1 Haziran 2021 Sayısındaki Aynı Başlıklı Makalenin Düzeltilmiş Halidir.The original article was published on 30 June 2021.https://dergipark.org.tr/en/pub/klujes/issue/63402/865974</p></trans-abstract>
                                                            
            
                                                            <kwd-group>
                                                    <kwd>Analiz</kwd>
                                                    <kwd>  Gerilim</kwd>
                                                    <kwd>  Kontrol</kwd>
                                                    <kwd>  Ray</kwd>
                                                    <kwd>  Toprak.</kwd>
                                            </kwd-group>
                                                        
                                                                            <kwd-group xml:lang="en">
                                                    <kwd>Analysis</kwd>
                                                    <kwd>  Control</kwd>
                                                    <kwd>  Ground</kwd>
                                                    <kwd>  Rail</kwd>
                                                    <kwd>  Voltage.</kwd>
                                            </kwd-group>
                                                                                                            </article-meta>
    </front>
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