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Vahid Behjat, Ph.D., P.Eng., SMIEEE
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Diagnosing shorted turns on the windings of power transformers based upon online FRA using capacitive and inductive couplings
V Behjat, A Vahedi, A Setayeshmehr, H Borsi, E Gockenbach
IEEE transactions on power delivery 26 (4), 2123-2133, 2011
1622011
Statistical approach for interpretation of power transformers frequency response analysis results
V Behjat, M Mahvi
IET Science, Measurement & Technology 9 (3), 367-375, 2015
972015
Sweep frequency response analysis for diagnosis of low level short circuit faults on the windings of power transformers: An experimental study
V Behjat, A Vahedi, A Setayeshmehr, H Borsi, E Gockenbach
International Journal of Electrical Power & Energy Systems 42 (1), 78-90, 2012
862012
Genetic algorithm approach for improved design of a variable speed axial-flux permanent-magnet synchronous generator
N Rostami, MR Feyzi, J Pyrhonen, A Parviainen, V Behjat
IEEE Transactions on Magnetics 48 (12), 4860-4865, 2012
752012
Numerical modelling of transformers interturn faults and characterising the faulty transformer behaviour under various faults and operating conditions
V Behjat, A Vahedi
IET electric power applications 5 (5), 415-431, 2011
662011
Comparison of performance characteristics of axial-flux permanent-magnet synchronous machine with different magnet shapes
M Shokri, N Rostami, V Behjat, J Pyrhönen, M Rostami
IEEE Transactions on Magnetics 51 (12), 1-6, 2015
582015
New statistical approach to interpret power transformer frequency response analysis: non‐parametric statistical methods
V Behjat, M Mahvi, E Rahimpour
IET Science, Measurement & Technology 10 (4), 364-369, 2016
552016
Online monitoring of power transformers for detection of internal winding short circuit faults using negative sequence analysis
A Vahedi, V Behjat
European Transactions on Electrical Power 21 (1), 196-211, 2011
412011
Dynamic modeling and performance evaluation of axial flux PMSG based wind turbine system with MPPT control
V Behjat, M Hamrahi
Ain Shams Engineering Journal 5 (4), 1157-1166, 2014
372014
Characterization of power transformer electromagnetic forces affected by winding faults
V Behjat, A Shams, V Tamjidi
J. Oper. Autom. Power Eng 6 (1), 40-49, 2018
302018
Double input Z-source inverter applicable in dual-star PMSG based wind turbine
AR Dehghanzadeh, V Behjat, MR Banaei
International Journal of Electrical Power & Energy Systems 82, 49-57, 2016
282016
Identification of the most sensitive frequency response measurement technique for diagnosis of interturn faults in power transformers
V Behjat, A Vahedi, A Setayeshmehr, H Borsi, E Gockenbach
Measurement Science and Technology 21 (7), 075106, 2010
262010
Winding deformation classification in a power transformer based on the time-frequency image of frequency response analysis using Hilbert-Huang transform and evidence theory
A Shamlou, MR Feyzi, V Behjat
International Journal of Electrical Power & Energy Systems 129, 106854, 2021
242021
Dynamic modeling of wind turbine based axial flux permanent magnetic synchronous generator connected to the grid with switch reduced converter
AR Dehghanzadeh, V Behjat, MR Banaei
Ain Shams Engineering Journal 9 (1), 125-135, 2018
242018
Localising low‐level short‐circuit faults on the windings of power transformers based on low‐frequency response measurement of the transformer windings
M Mahvi, V Behjat
IET Electric Power Applications 9 (8), 533-539, 2015
232015
An experimental approach for investigating low-level interturn winding faults in power transformers
V Behjat, A Vahedi
Electrical Engineering 95, 135-145, 2013
192013
Interpretation of frequency response analysis of power transformer based on evidence theory
A Shamlou, M Reza Feyzi, V Behjat
IET Generation, Transmission & Distribution 13 (17), 3879-3887, 2019
152019
Minimizing the torque ripple of variable capacitance electrostatic micromotors
V Behjat, A Vahedi
Journal of Electrostatics 64 (6), 361-367, 2006
152006
Analysis and interpretation of power auto-transformer winding axial displacement and radial deformation using frequency response analysis
M Mahvi, V Behjat, H Mohseni
Engineering Failure Analysis 113, 104549, 2020
142020
Improved monitoring and diagnosis of transformer solid insulation using pertinent chemical indicators
V Behjat, R Emadifar, M Pourhossein, UM Rao, I Fofana, R Najjar
Energies 14 (13), 3977, 2021
132021
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Articles 1–20