Browsing by Author "Alan, Irfan"
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Alçaltıcı/Yükseltici Dc/Dc/Ac Eviricilerle Yüksek Performanslı Anahtarlamalı Relüktans Motoru Sürücü Sistemi Tasarımı Ve Gerçeklemesi
Anahtarlamalı relüktans motorları (ARM) 1800?lü yılların ortalarında keşfedilmesine rağmen, 1960?lı yıllarda yarı iletken anahtarların icat edilmesine kadar potansiyeli anlaşılamamış makinalardır. Modern yarı iletken ... -
Cloud Induced PV Impact on Voltage Profiles for Real Microgrids
Kocer, Mustafa Catagatay; Yoldas, Yeliz; Goren, Selcuk; Onen, Ahmet; Alan, Irfan; Al-Agtash, Salem; Azzopardi, Brain; Martensen, Nis; Martinez-Ramos, Jose L.; Tzovaras, Dimitrios; Hadjidemetriou, Lenos; Khiat, Mounir; Camilleri, Tim; Borg, Nicholas (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2018)Integration of renewable energy sources (RESs) into power systems has been a popular topic for a long time. Due to government policies and incentives, it will be more popular in the future since it is a free and ... -
Dalgıç Pompa Uygulamaları İçin Doğrudan Yol Vermeli Senkron Relüktans Motorunun Tasarım Optimizasyonu Ve Gerçeklemesi
Tekgun, Burak; Alan, Irfan; Tekgun, Didem (ELEKTRİK, ELEKTRONİK VE ENFORMATİK ARAŞTIRMA DESTEK GRUBU GRUBU: EEEAG, 2023)Günümüzde doğal kaynakların korunması ve enerji maliyetlerinin düşürülmesi için enerji kayıplarının azaltılması ortak bir amaç olarak görülmektedir. Elektrik tahrik sistemlerinin küresel enerji tüketiminin yaklaşık %40?ını ... -
Design and Control of a Single Phase DC/Rectified AC/AC Inverter for low THD Applications
Tekgün, Burak; Tekgün, Didem; Alan, Irfan; Badawy, Mohamed (IEEE, 2018)In this paper, a single phase DC/Rectified AC/AC (DC/RAC/AC) inverter is analyzed and compared to classical single phase PWM inverters. A traditional AC power supply (PS) system consists of a DC/DC converter, a cascaded ... -
Distribution Automation Effects on Reliability during Major Contingencies
Yoldas, Yeliz; Onen, Ahmet; Alan, Irfan; Broadwater, Robert P. (IEEE, 2018)Distribution automation affects reliability by providing faster restoration ability. In this study, the effect of distribution automation on radial distribution circuits during substation failures at peak load is investigated. ... -
Effect of the Stator Slot Indents on Fluid Damping Loss in Submersible Pump Applications
Tekgun, Didem; Cosdu, Muhammed Muhsin; Tekgun, Burak; Alan, Irfan (IEEE, 2022)In this study, the effect of fluid damping on the performance of a 2-pole, 4-kW line start synchronous reluctance machine (LS-SynRM) with different slot opening structures for submersible water pump applications is ... -
Enhancing smart grid with microgrids: Challenges and opportunities
Yoldas, Yeliz; Onen, Ahmet; Muyeen, S. M.; Vasilakos, Athanasios V.; Alan, Irfan (PERGAMON-ELSEVIER SCIENCE LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2017)The modern electric power systems are going through a revolutionary change because of increasing demand of electric power worldwide, developing political pressure and public awareness of reducing carbon emission, incorporating ... -
FEA based fast topology optimization method for switched reluctance machines
Tekgun, Didem; Tekgun, Burak; Alan, Irfan (SPRINGER, 2022)In this paper, a finite element analysis (FEA) based fast optimization method to optimize a lightweight in-wheel switched reluctance machine is presented. This method speeds up the switched reluctance machine optimization ... -
Implementation of capital deferral algorithm in real distribution systems considering reliability by managing major faults
Yoldas, Yeliz; Onen, Ahmet; Broadwater, Robert; Alan, Irfan (SPRINGER, ONE NEW YORK PLAZA, SUITE 4600, NEW YORK, NY, UNITED STATES, 2019)Distribution automation technology plays a key role on power system reliability by providing faster detection, isolating the faulted area and restoring the fault. In this paper, the impacts of distribution automation are ... -
Investigating the Tradeoff Between the MMF Distortion and End Turn Length of a 2-Pole Line Start SynRM Performance
Tekgun, Didem; Cosdu, Muhammed Muhsin; Tekgun, Burak; Alan, Irfan (Institute for Ionics, 2023)Conventional 2-pole AC machine windings have long end windings and generate harmonics, which increase losses and reduce torque density. This study investigates the performance tradeoff between the level of distortion (THD) ... -
Mikro Şebeke Dizaynı, Geliştirilmesi Ve Gösterilmesi
Önen, Ahmet; Alan, İrfan; Alboyacı, Bora (TUBİTAK, 2020)Bu projede Malta da bulunan MCAST (ve daha sonra eklenen Yunanistan da bulunan CERTH araştırma merkezi kampüsünün) üniversitesinin elektrik şebekesini mikro şebeke olarak çalıştırılması konusunda yapılan simülasyonlar ... -
A multi-functional quasi-single stage bi-directional charger topology for electric vehicles
Tekgun, Burak; Tekgun, Didem; Alan, Irfan (ELSEVIER, 2024)In this paper, a multi-functional quasi-single stage, bi-directional electric vehicle charger topology is proposed to realize high efficiency power conversion in all AC/DC, DC/DC, and DC/AC forms. The proposed circuitry ... -
Structural Integrity Analysis of a Two-Pole Synchronous Reluctance Machine with Non-circular Shaft
Tekgun, Didem; Tekgun, Burak; Alan, Irfan (Institute of Electrical and Electronics Engineers Inc., 2023)This paper investigates the structural strength of a 6-inch diameter, two-pole, 4 kW line start synchronous reluctance machine (LS-SynRM) designed with a new noncircular shaft structure that serves as a pump motor. Flux ...