Browsing by Author "Balcı, Murat Erhan"
Now showing items 1-20 of 43
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Accuracy assessment of frequency-domain models for harmonic analysis of residential type photovoltaic-distributed generation units
Karadeniz, Alp; Öztürk, Onur; Köksoy, Ahmet; Atsever, M. Bekir; Balcı, Murat Erhan; Hocaoğlu, M. Hakan (Pergamon-Elsevier Science Ltd, 2022)Since Photovoltaic-Based Distributed Generation Units (PV-DGUs) have power electronic interfaces for their grid integration, they can cause harmonic pollution in the system. Thus, the harmonic analysis is required to ... -
Addendum to a power resolution for nonsinusoidal and unbalanced systems: Evaluation examples
In this paper, a power resolution presented in [1] is evaluated by considering optimum balanced capacitive compensation and harmonic producing load detection issues. The evaluation examples show that the power resolution ... -
An algorithm for estimating derating of induction motors supplied with under/over unbalanced voltages using response surface methodology
Şen, Merve; Balcı, Murat Erhan; Aleem, Shady H. E. Abdel (Inst Engineering Technology-Iet, 2017)One of the adverse effects of unbalanced three-phase voltages on the induction motors (IMs) is overheating of the windings. The IMs should be loaded at less than their rated power in case of unbalanced supply voltages to ... -
An algorithm for optimal sizing of the capacitor banks under nonsinusoidal and unbalanced conditions
Balcı, Murat Erhan; Abdel Aleem, Shady H.E.; Zobaa, Ahmed F.; Sakar, Selçuk (Bentham Science Publishers B.V., 2014)In non-sinusoidal and unbalanced systems, optimal sizing of the capacitor banks is not a straightforward task as in sinusoidal and balanced systems. In this paper, by means of qualitative and quantitative analysis, it is ... -
An analysis into the effect of voltage harmonics on the maximum loading capability of transformer
Arslan, Emrah; Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (IEEE, 2014)In this paper, some exemplary cases are presented to show the effect of voltage total harmonic distortion (THDV) and its spectrum on the harmonic loss factors (F-HL and F-HL-(STR)) of the six-pulse rectifiers accompanied ... -
An analysis on the nonactive powers for nonsinusoidal conditions
Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (Gazi Üniv., 2011)In this paper, the nonactive part of the apparent power is decomposed into three different components. The qualitative and quantitative analyses show that reactive power component of the power decomposition gives the power ... -
Apparent power definitions: A comparison study
Balcı, Murat Erhan; Emanuel, Alexander Eigeles (Praise Worthy Prize Srl, 2011)This paper examines the concept of apparent power: It advocates the idea that the apparent power quantifies an ideal situation that represents optimum energy flow conditions not only for the energy supplier, but for the ... -
Comparative evaluation of common passive filter types regarding maximization of transformer's loading capability under non -sinusoidal conditions
Karadeniz, Alp; Balcı, Murat Erhan (Elsevier Science Sa., 2018)This study aims to comparatively evaluate the widely known five passive harmonic filters as single-tuned, double-tuned, triple-tuned, damped-double tuned and C-type ones by regarding their contribution on the loading ... -
Comparative evaluation of various passive filter types regarding their contribution to transformer's loading capacity under non-sinusoidal conditions
Karadeniz, Alp; Balcı, Murat Erhan (Ieee, 2017)This study aims to comparatively evaluate several kinds of passive filters by regarding their contribution on the loading capacity of the transformers under non-sinsuoidal conditions. For the comparative evaluation, the ... -
A current decomposition-based method for computationally efficient implementation of power resolution meters in non-sinusoidal single-phase systems
Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan (Polska Akad Nauk, 2013)For non-sinusoidal single-phase systems, the classical apparent power has been divided into various components using different techniques. These power resolutions generally aim at to provide a tool for the accurate ... -
A current resolution for fast measurement of power resolutions in non sinusoidal single phase systems
In this paper, a new current decomposition is proposed for effective and fast measurement of the power resolutions defined by Fryze, Shepherd & Zakikhani, Sharon, Kusters & Moore and Czarnecki. The complexity analysis shows ... -
Doğru akım uyartım altında güç transformatörlerinin yeniden boyutlandırılması
Cantürk. Şevket (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2023)Bu tez çalışmasında ilk olarak, doğru akım (DA) uyartım koşullarının tek fazlı kabuk tipi nüveli ve üç fazlı beş bacaklı çekirdek tipi nüveli güç transformatörleri üzerindeki etkilerini zaman verimli ve hassas bir şekilde ... -
Doğru akım uyartımın güç transformatörlerine etkilerinin analizi
Ulfanov, Tural (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2019)Güneş'te meydana gelen patlamaların, Dünya'nın jeomanyetik alanına etkisi neticesinde, iletim hatlarında 0.01 Hz civarında frekanslarda gerilimler indüklenir. Bu gerilimler, çok yüksek gerilimde enerji naklinde tercih ... -
Düşük hızlı ve küçük güçlü rüzgar türbinleri için kalıcı mıknatıslı senkron generatör tasarımı
Karakaya, Oktay; Demircan, Batın; Balcı, Murat Erhan (Balıkesir Üniversitesi, 2021)Bu makalede, küçük güçlü düşük hızlı rüzgar türbinleri için radyal akılı kalıcı mıknatıslı senkron generatörlerin (KMSG’lerin) tasarımı ile Ansys Maxwell yazılım ortamında modellenmesi ve performans analizi üzerine örnek ... -
Effective utilization of cables and transformers using passive filters for non-linear loads
Aleem, Shady H. E. Abdel; Balcı, Murat Erhan; Sakar, Selçuk (Elsevier Sci Ltd, 2015)In the literature, it is well known that transformers and cables have excessive losses or overheating under non-sinusoidal current conditions. Accordingly, they have reduced current carrying capabilities (or loading ... -
A filter design approach to maximize ampacity of cables in nonsinusoidal power systems
Sakar, Selçuk; Aleem, S. H. E. Abdel; Balcı, Murat Erhan; Zobaa, A. F. (IEEE, 2015)This paper presents an optimal design of the C-type passive filters for the effective utilization of the power cables under nonsinusoidal conditions based on maximization of the harmonic derating factor (HDF) of a power ... -
A fixed speed ınduction generator model for unbalanced power flow analysis
Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan; Köksoy, Ahmet; Öztürk, Onur; Dursun, Bahtiyar (IEEE, 2014)This paper proposes a model of the induction generator for the phase-domain power flow analysis of fixed speed wind turbine generating systems connected to balanced or unbalanced three-phase distribution systems. The ... -
Harmonic overloading minimization of frequency-dependent components in harmonics polluted distribution systems using harris hawks optimization algorithm
Aleem, Shady Hossam Eldeen Abdel; Zobaa, Ahmed Faheem; Balcı, Murat Erhan; Ismael, Sherif Mohsen (Ieee-Inst Electrical Electronics Engineers INC, 2019)This paper presents a novel approach to optimal planning of a resonance-free C-type harmonic filter to minimize the harmonic overloading level of frequency-dependent components in a non-sinusoidal distribution system. In ... -
Harmonik bozulma şartlarında transformatör yüklenme kapasitesinin maksimizasyonu için pasif filtre tasarımı
Demircioğlu, Emine Hümeyra; Karadeniz, Alp; Balcı, Murat Erhan (Balıkesir Üniversitesi, 2020)Günümüzde, endüstriyel tesislerin bulunduğu dağıtım sistemlerinde harmonik bozulmaya sahip akım çeken güç elektroniği temelli yükler yaygın olarak kullanılmaktadır. Dolayısıyla, bu sistemlerde hat akımları ve bara gerilimleri ... -
Harmonik bozulmaya sahip dağıtım sistemlerinde fotovoltaik dağıtık üretim birimi barındırma kapasitesinin iyileştirilmesi
Karadeniz, Alp (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2019)Bu tezde, öncelikle, programlanabilir gerilim kaynağı, yük ve evirici devreli dağıtık üretim birimi (fotovoltaik dağıtık üretim birimi: FDÜB) barındıran bir test sistemi kurulmuştur. Sistemden elde edilen ölçüm verileri ...
