20112018
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Research Output 2011 2018

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2018

FEM Approach for Diagnosis of Induction Machines’ Non-Adjacent Broken Rotor Bars by STFT Spectrogram

Panagiotou, P., Arvanitakis, I., Lophitis, N., Antonino-Daviu, J. A. & Gyftakis, K. N. 2018 p. (in press)

Research output: Contribution to conferencePaper

Rotors
Finite element method
Stators
Condition monitoring
Induction motors
2017

Breakdown Resistance Analysis of Traction Motor Winding Insulation under Thermal Ageing

Gyftakis, K. N., Panagiotou, P., Lophitis, N., Howey, D. A. & McCulloch, M. D. 2017 (Accepted/In press)

Research output: Contribution to conferencePaper

Traction motors
Thermal aging
Insulation
Thermal stress
Electric properties

Investigation of Traction Motor Windings' Insulation Capacitance at Switching Frequencies under Accelerated Thermal Stress

Panagiotou, P., Gyftakis, K. N., Lophitis, N., McCulloch, M. D. & Howey, D. A. 2017 (Accepted/In press)

Research output: Contribution to conferencePaper

Traction motors
Switching frequency
Thermal stress
Insulation
Capacitance
2016
1 Citations

4.5 kV Bi-mode Gate Commutated Thyristor design with High Power Technology and shallow diode-anode

Lophitis, N., Antoniou, M., Udrea, F., Vemulapati, U., Arnold, M., Rahimo, M. & Vobecky, J. 28 Jul 2016 p. 371-374

Research output: Contribution to conferencePaper

Open Access
File
Thyristors
Anodes
Diodes
2015
9 Citations

An experimental demonstration of a 4.5 kV “Bi-mode Gate Commutated Thyristor” (BGCT)

Vemulapati, U., Arnold, M., Rahimo, M., Vobecky, J., Stiasny, T., Lophitis, N. & Udrea, F. 2015 p. 109-112

Research output: Contribution to conferencePaper

Open Access
Thyristors
Demonstrations
Diodes
Leakage currents
Anodes
6 Citations

Experimental demonstration of the p-ring FS+ Trench IGBT concept: A new design for minimizing the conduction losses

Antoniou, M., Lophitis, N., Udrea, F., Bauer, F., Nistor, I., Bellini, M. & Rahimo, M. 2015 p. 21-24

Research output: Contribution to conferencePaper

conduction
rings
ratings
breakdown
augmentation
2012

Optimization of Parameters influencing the Maximum Controllable Current in Gate Commutated Thyristors

Lophitis, N., Antoniou, M., Udrea, F., Nistor, I., Arnold, M., Wikström, T. & Vobecky, J. 2012 6 p.

Research output: Contribution to conferencePaper

Thyristors