Muammer Ermiş

E-mail

ermis@metu.edu.tr

Department

Department of Electrical and Electronics Engineering

Selective Harmonic Elimination for Variable Frequency Traction Motor Drives Using Harris Hawks Optimization Nalçacı, Gamze; Yildirim, Dogan; ÇADIRCI, IŞIK; Ermiş, Muammer (2022-07-01) In this article, Harris hawks' optimization (HHO) for selective harmonic elimination method (SHEM) of a voltage source inverter has been applied to a traction motor drive for light rail transportation. The main objective o...
All-SiC Traction Converter for Light Rail Transportation Systems: Design Methodology and Development of 165 kVA Prototype Yıldırım, Doğan; Akşit, Mehmet Hakan; ÇADIRCI, IŞIK; Ermiş, Muammer (2022-5-01) The design and development of a high-performance 165 kVA, 750 V DC all-silicon carbide (SiC) traction converter for new generation light rail transportation systems (LRTSs) are described. In the design of the traction moto...
Full-Scale Physical Simulator of All SiC Traction Motor Drive With Onboard Supercapacitor ESS for Light-Rail Public Transportation Yildirim, Dogan; Aksit, Mehmet Hakan; Yolacan, Cem; Pul, Tevfik; Ermis, Cezmi; Aghdam, Behrang H.; ÇADIRCI, IŞIK; Ermiş, Muammer (2020-08-01) This article deals with the design and laboratory implementation of a full-scale physical simulator of an all-silicon carbide (SiC) traction motor drive for light-rail transit systems (LRTS) with onboard supercapacitor ene...
Cost Function Determination for a WIG in Predefined Path and Height Using Conjugate Gradient Method Shabani, Raha; Nalçacı, Gamze; Leblebicioğlu, Mehmet Kemal; Ermiş, Muammer (2020-07-01) © 2020 IEEE.Wing in ground effect vehicles (WIG) is the sort of land and water capable of flying right upfront closeness of ground, utilizing the streamlined association between the wings and the ground (Ocean or Earth sur...
All SiC PWM rectifier-based off-board ultrafast charger for heavy electric vehicles Yildirim, Dogan; Ozturk, Serkan; ÇADIRCI, IŞIK; Ermiş, Muammer (2020-02-19) This study deals with the design, implementation and experimental performance of all silicon carbide pulse width modulation (SiC PWM) rectifier-based off-board ultrafast chargers (UFCs) for lithium titanate batteries of he...
Real-Time Detection of Interharmonics and Harmonics of AC Electric Arc Furnaces on GPU Framework Uz-Logoglu, Eda; Salor, Ozgul; Ermiş, Muammer (2019-11-01) In this paper, a method based on the multiple synchronous reference frame analysis is recommended and implemented to detect time-varying harmonics and interharmonics of rapidly fluctuating asymmetrical industrial loads. Th...
Suppression factor as evaluation criterion for wide-frequency filtering equipment Durna, Emre; Ermiş, Muammer (2019-06-01) Here, a novel harmonic suppression performance criterion, namely suppression factor (SF), is suggested for the wide-frequency power filtering equipment. Performances of single-tuned passive filter, combination of passive f...
Effect of Grey Wolf Optimization on THD of 3-Phase Voltage Source Inverter with Selective Harmonic Elimination Base Nalçacı, Gamze; Ermiş, Muammer (2019-01-01) Harmonics can be characterized as components with periodic waveforms having multiples of a fundamental frequency. Harmonics, one of the most critical issues of power quality, have recently come into prominence despite bein...
Operating principles and practical design aspects of all SiC DC/AC/DC converter for MPPT in grid-connected PV supplies ÖZTÜRK, SERKAN; Popos, Polat; Utalay, Volkan; Koc, Atila; Ermiş, Muammer; ÇADIRCI, IŞIK (2018-12-01) A 20 kW, 20 kHz high frequency (HF) link maximum power point tracking (MPPT) converter for a grid-connected PV supply, based on all silicon carbide (SiC) power semiconductors, is presented. In the developed converter, SiC ...
Exponential Smoothing of Multiple Reference Frame Components With GPUs for Real-Time Detection of Time-Varying Harmonics and Interharmonics of EAF Currents Balouji, Ebrahim; Salor, Ozgul; Ermiş, Muammer (2018-11-01) In this research work, a multiple synchronous reference frame (MSRF)-based analysis method, used together with exponential smoothing (ES) to accurately obtain the time-varying harmonics and interharmonics of electric arc f...

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