Ogün Altun

E-mail

ogun@metu.edu.tr

Department

Department of Electrical and Electronics Engineering

Variable Carrier Phase Shift Method for Integrated Contactless Field Excitation System of Electrically Excited Synchronous Motors Ayaz, Enes; Altun, Ogün; Keysan, Ozan (2023-01-01) This paper presents a novel contactless field excitation (CFE) system based on wireless power transfer (WPT), which utilizes the existing voltage source inverter (VSI) of the motor drive for electrical...
Ripple Minimization in Asymmetric Interleaved DC-DC Converters Using Neural Networks Alemdar, Ozturk Sahin; Oner, Mustafa Umit; Altun, Ogün; Keysan, Ozan (2023-01-01) Interleaving can be employed to reduce ripples in multiphase DC-DC converters although phases are operated under asymmetric conditions such as different input voltages or loads. To allow ripple minimization under asymmetri...
Generalized Model of Modular Two Element Compensated IPT Systems with Common DC-Bus Ayaz, Enes; Altun, Ogün; Polat, Hakan; Keysan, Ozan (2022-01-01) In this paper, modular IPT systems which have receiver series/parallel compensation with series/parallel common DC-Bus are investigated. For these systems, power sharing between the receiver modules is vulnerable to system...
A Modular Inductive Power Transfer System for Synchronous Machine Field Excitation Altun, Ogün; Ayaz, Enes; Polat, Hakan; Keysan, Ozan (2022-01-01) In this paper a 1 kW series-series compensated, two transmitter four receiver common DC bus parallel connected inductive power transfer system is introduced. The aim is to obtain a modular system with increased reliability...
Carrier Phase Shift Method of SPWM for Concurrent Wired and Wireless Power Transfer Systems Ayaz, Enes; Altun, Ogün; Keysan, Ozan (2022-01-01) This paper presents an approach for concurrent power transfer to wired and wireless systems using just a single inverter. The approach utilizes a novel carrier phase-shift (CPS) method that independently controls the inver...
Fault Tolerant Multi-Tx/Multi-Rx Inductive Power Transfer System with a Resonator Coil Ayaz, Enes; Altun, Ogün; Polat, Hakan; Keysan, Ozan (2022-01-01) This paper presents a novel multi-transmitter (Tx) / multi-receiver (Rx) inductive power transfer system. Compared to conventional single-Tx/single-Rx systems, multi-Tx/multi-Rx topologies increase reliability and fault to...
Balancing of Common DC-Bus Parallel Connected Modular Inductive Power Transfer Systems Polat, Hakan; Ayaz, Enes; Altun, Ogün; Keysan, Ozan (2021-01-01) The aim of this paper is to design a modular, fault tolerant multi-transmitter(Tx)/multi-receiver(Rx) parallel connected common DC bus inductive power transfer(IPT) system to replace slip rings in wind turbines or brushles...

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