Directory of Experts

Kocar, Ilhan

Directory of Experts

Kocar, Ilhan

Directory of Experts

Publications by type

Journal article (71) Conference paper (57) Book Book chapter (3) Patent Report (1) Thesis (1) Dataset Teaching resource Image Audio recording Video recording Other

Ilhan Kocar (133)

Journal articles (71)
- 2025
  - Chen, X., Kocar, I., Bu, S., Farantatos, E., & Haddadi, A. (2025). Comparative Analysis of Negative Sequence Behavior in Grid-Following and Grid-Forming Inverters: Modeling, Control, and Protection. IEEE Transactions on Power Delivery, 12 pages.
  - Zhang, J., Bu, S., Xue, T., Zhu, J., & Kocar, I. (2025). Mechanism analysis of subsynchronous control interactions between full-converter-interfaced generation and a series-compensated network. International Journal of Electrical Power & Energy Systems, 166, 110525-110525.
  - Xue, T., Karaagac, U., Ghafouri, M., & Kocar, I. (2025). Review on DFIG Supplementary SSI Damping Controllers: Design, Development, and Directions. IEEE Transactions on Power Delivery, 1-13.
- 2024
  - Ramirez, A., Morales, J., Mahseredjian, J., & Kocar, I. (2024). Advanced Wideband Line/Cable Modeling for Transient Studies. IEEE Transactions on Power Delivery, 3449868 (9 pages).
  - Li, F., Kocar, I., & Lesage-Landry, A. (2024). A Rapid Method for Impact Analysis of Grid-Edge Technologies on Power Distribution Networks. IEEE Transactions on Power Systems, 39(1), 1530-1542.
  - Chen, X., Chang, Y., & Kocar, I. (2024). Grid-Forming Control of DFIG-based Wind Turbine Generator by Using Internal Voltage Vectors for Asymmetrical Fault Ride-Through. IEEE Transactions on Energy Conversion, 3470588 (13 pages).
  - Li, F., Campeau, É., Kocar, I., & Lesage-Landry, A. (2024). Inferring electric vehicle charging patterns from smart meter data for impact studies. Electric Power Systems Research, 235, 110789 (6 pages).
  - Allabadi, A., Mahseredjian, J., Jacobs, K., Dennetière, S., Kocar, I., & Ould-Bachir, T. (2024). Initializing EMT models of grid forming VSCs in MTDC systems. Electric Power Systems Research, 235, 110674 (6 pages).
  - Allabadi, A., Mahseredjian, J., Jacobs, K., Dennetière, S., Kocar, I., & Ould-Bachir, T. (2024). Initializing Large-Scale Multi-Terminal HVDC Systems Using Decoupling Interface. IEEE Transactions on Power Delivery, 3373657 (10 pages).
- 2023
  - Meng, L., Karaagac, U., Ghafouri, M., Stepanov, A. B., Mahseredjian, J., Chan, K., & Kocar, I. (2023). A New Control Interaction Phenomenon in Large-Scale Type-4 Wind Park. IEEE Access, 11, 11 pages.
  - Morales, J., Xue, H., Mahseredjian, J., & Kocar, I. (2023). A new tool for calculation of line and cable parameters. Electric Power Systems Research, 220, 8 pages.
  - Gueye, A., Kocar, I., Francois, E., & Mahseredjian, J. (2023). Comparison of rational Krylov and vector fitting in transient simulation of transmission lines and cables. IEEE Transactions on Power Delivery, 38(5), 3333-3341.
  - Ghafouri, M., Karaagac, U., Mahseredjian, J., Kocar, I., & Lei, M. (2023). Design of a robust and practicable SSI damping controller using H∞ technique for series compensated DFIG-based wind farms. Energy Reports, 9, 647-655.
  - Rashidirad, N., Mahseredjian, J., Kocar, I., Karaagac, U., & Saad, O. (2023). Mana-based load-flow solution for islanded AC microgrids. IEEE Transactions on Smart Grid, 14(2), 889-898.
  - David Becerra, J. M., Kocar, I., & Mahseredjian, J. (2023). Passivity enforcement of wideband model through a new and full perturbation formulation. Electric Power Systems Research, 223, 8 pages.
  - Rashidirad, N., Mahseredjian, J., Kocar, I., & Karaagac, U. (2023). Unified MANA-based load-flow for multi-frequency hybrid AC/DC multi-microgrids. Electric Power Systems Research, 220, 7 pages.
  - Francois, E., Kocar, I., & Mahseredjian, J. (2023). Wideband model based on constant transformation matrix and rational Krylov fitting. Electric Power Systems Research, 220, 7 pages.
- 2022
  - Xue, H., Mahseredjian, J., Morales Rodriguez, J., & Kocar, I. (2022). Analysis of cross-bonded cables using accurate model parameters. IEEE Transactions on Power Delivery, 38(1), 46-55.
  - Xue, H., Mahseredjian, J., Morales Rodriguez, J., Kocar, I., & Xémard, A. (2022). An Investigation of Electromagnetic Transients for A Mixed Transmission System with Overhead Lines and Buried Cables. IEEE Transactions on Power Delivery, 37(6), 4582-4592.
  - Berger, M., Kocar, I., Farantatos, E., & Haddadi, A. (2022). Dual Control Strategy for Grid-Tied Battery Energy Storage Systems to Comply with Emerging Grid Codes and Fault Ride Through Requirements. Journal of Modern Power Systems and Clean Energy, 10(4), 977-988.
  - Javid, Z., Karaagac, U., & Kocar, I. (2022). Improved Laplacian Matrix based power flow solver for DC distribution networks. Energy Reports, 8(S8), 528-537.
  - Chang, Y., Zhao, M., & Kocar, I. (2022). The impact of DFIG control schemes on the negative-sequence based differential protection. Electric Power Systems Research, 211, 8 pages.
- 2021
  - Ghafouri, M., Karaagac, U., Kocar, I., Xu, Z., & Farantatos, E. (2021). Analysis and mitigation of the communication delay impacts on wind farm central SSI damping controller. IEEE Access, 9, 105641-105650.
  - Chang, Y., Kocar, I., Hu, J., Karaagac, U., Chan, K. W., & Mahseredjian, J. (2021). Coordinated Control of DFIG Converters to Comply with Reactive Current Requirements in Emerging Grid Codes. Journal of Modern Power Systems and Clean Energy, 12 pages.
  - Xue, H., Mahseredjian, J., Ametani, A., Morales, J., & Kocar, I. (2021). Generalized Formulation and Surge Analysis on Overhead Lines: Impedance/Admittance of A Multi-Layer Earth. IEEE Transactions on Power Delivery, 36(6), 3834-3845.
  - Haddadi, A., Zhao, M., Kocar, I., Karaagac, U., Chan, K. W., & Farantatos, E. (2021). Impact of Inverter-Based Resources on Negative Sequence Quantities-Based Protection Elements. IEEE Transactions on Power Delivery, 36(1), 289-298.
  - Haddadi, A., Farantatos, E., Kocar, I., & Karaagac, U. (2021). Impact of Inverter Based Resources on System Protection. Energies, 14(4), 1050 (21 pages).
  - Nzale, W., Mahseredjian, J., Fu, X., Kocar, I., & Dufour, C. (2021). Improving numerical accuracy in time-domain simulation for power electronics circuits. IEEE Open Access Journal of Power and Energy, 8, 157-165.
  - Javid, Z., Karaagac, U., Kocar, I., & Chan, K. W. (2021). Laplacian matrix-based power flow formulation for LVDC grids with radial and meshed configurations. Energies, 14(7), 21 pages.
  - Berger, M., Kocar, I., Farantatos, E., & Haddadi, A. (2021). Modeling of Li-ion battery energy storage systems (BESSs) for grid fault analysis. Electric Power Systems Research, 196, 6 pages.
  - Furlaneto, R. M., Kocar, I., Grilo-Pavani, A., Karaagac, U., Haddadi, A., & Farantatos, E. (2021). Short circuit network equivalents of systems with inverter-based resources. Electric Power Systems Research, 199, 7 pages.
- 2020
  - Abusalah, A., Saad, O., Mahseredjian, J., Karaagac, U., & Kocar, I. (2020). Accelerated Sparse Matrix-Based Computation of Electromagnetic Transients. IEEE Open Access Journal of Power and Energy, 7, 13-21.
  - Cervantes Martinez, M., Kocar, I., Mahseredjian, J., & Ramirez, A. (2020). Accurate and Reduced Order Identification of Propagation Function for Electromagnetic Transient Analysis of Cables. IEEE Transactions on Power Delivery, 35(2), 968-976.
  - Morales, J., Mahseredjian, J., Ramirez, A., Sheshyekani, K., & Kocar, I. (2020). A Loewner/MPM - VF Combined Rational Fitting Approach. IEEE Transactions on Power Delivery, 35(2), 802-808.
  - Morales-Rodriguez, J., Medina, E., Mahseredjian, J., Ramirez, A., Sheshyekani, K., & Kocar, I. (2020). Frequency-Domain Fitting Techniques: A Review. IEEE Transactions on Power Delivery, 35(3), 110-1110.
  - Berger, M., Kocar, I., Blanchette, H. F., & Lavertu, C. (2020). Open-Phase Fault-Tolerant Operation of the Three-Phase Dual Active Bridge Converter. IEEE Transactions on Power Electronics, 35(4), 3651-3662.
  - Cervantes, M., Kocar, I., Mahseredjian, J., & Ramirez, A. (2020). Partitioned fitting and DC correction in transmission line/cable models for wideband EMT studies. Electric Power Systems Research, 189, 10 pages.
- 2019
  - Karaagac, U., Mahseredjian, J., Gagnon, R., Gras, H., Saad, H., Cai, L., Kocar, I., Haddadi, A., Farantatos, E., Bu, S., Chan, K. W., & Wang, L. (2019). A generic EMT-type model for wind parks with permanent magnet synchronous generator full size converter wind turbines. IEEE Power and Energy Technology Systems Journal, 6(3), 131-141.
  - Haddadi, A., Kocar, I., Kauffmann, T., Karaagac, U., Farantatos, E., & Mahseredjian, J. (2019). Field validation of generic wind park models using fault records. Journal of Modern Power Systems and Clean Energy, 7(4), 826-836.
  - Haddadi, A., Kocar, I., Karaagac, U., Gras, H., & Farantatos, E. (2019). Impact of Wind Generation on Power Swing Protection. IEEE Transactions on Power Delivery, 34(3), 1118-1128.
  - Berger, M., Kocar, I., Fortin-Blanchette, H., & Lavertu, C. (2019). Large-signal modeling of three-phase dual active bridge converters for electromagnetic transient analysis in DC grids. Journal of Modern Power Systems and Clean Energy, 7(6), 1684-1696.
  - Kauffmann, T., Karaagac, U., Kocar, I., Jensen, S., Farantatos, E., Haddadi, A., & Mahseredjian, J. (2019). Short-Circuit Model for Type-IV Wind Turbine Generators with Decoupled Sequence Control. IEEE Transactions on Power Delivery, 34(5), 1998-2007.
- 2018
  - Abusalah, A., Saad, O., Mahseredjian, J., Karaagac, U., Gerin-Lajoie, L., & Kocar, I. (2018). CPU based parallel computation of electromagnetic transients for large power grids. Electric Power Systems Research, 162, 57-63.
  - Lafaia, I., Mahseredjian, J., Ametani, A., Correia de Barros, M. T., Kocar, I., & Fillion, Y. (2018). Frequency and time domain responses of cross-bonded cables. IEEE Transactions on Power Delivery, 33(2), 640-648.
  - Xue, H., Ametani, A., Mahseredjian, J., & Kocar, I. (2018). Generalized formulation of earth-return impedance / admittance and surge analysis on underground cables. IEEE Transactions on Power Delivery, 33(6), 2654-2663.
  - Berger, M., Kocar, I., Fortim-Blanchette, H., & Lavertu, C. (2018). Hybrid average modeling of three-phase dual active bridge converters for stability analysis. IEEE Transactions on Power Delivery, 33(4), 2020-2029.
  - Berger, M., Magalhaes Grave, J.-P., Lavertu, C., Kocar, I., Mahseredjian, J., & Ferrara, D. (2018). Modeling, Simulation, and Testing of Switching Surge Transients in Rapid Transit Vehicles DC Power Systems. IEEE Transactions on Industry Applications, 54(1), 822-831.
  - Kocar, I., Karaagac, U., Mahseredjian, J., & Cetindag, B. (2018). Multiphase load-flow solution and initialization of induction machines. IEEE Transactions on Power Systems, 33(2), 1650-1658.
  - Kauffmann, T., Kocar, I., & Mahseredjian, J. (2018). New investigations on the method of characteristics for the evaluation of line transients. Electric Power Systems Research, 160, 243-250.
  - Cervantes, M., Kocar, I., Mahseredjian, J., & Ramirez, A. (2018). Partitioned Fitting and DC Correction for the Simulation of Electromagnetic Transients in Transmission Lines/Cables. IEEE Transactions on Power Delivery, 33(6), 3246-3248.
  - Morales-Rodriguez, J., Mahseredjian, J., Sheshyekani, K., Ramirez, A., Medina, E., & Kocar, I. (2018). Pole-selective residue perturbation technique for passivity enforcement of FDNEs. IEEE Transactions on Power Delivery, 33(6), 2746-2754.
  - Karaagac, U., Mahseredjian, J., Jensen, S., Gagnon, R., Fecteau, M., & Kocar, I. (2018). Safe operation of DFIG based wind parks in series compensated systems. IEEE Transactions on Power Delivery, 33(2), 709-718.
  - Cervantes, M., Kocar, I., Montenegro, A., Goldsworthy, D., Tobin, T., Mahseredjian, J., Ramos, R., Marti, J. R., Noda, T., Ametani, A., & Martin, C. (2018). Simulation of switching overvoltages and validation with field tests. IEEE Transactions on Power Delivery, 33(6), 2884-2893.
  - Lafaia, I., de Barros, M. T. C., Mahseredjian, J., Ametani, A., Kocar, I., & Fillion, Y. (2018). Surge and energization tests and modeling on a 225 kV HVAC cable. Electric Power Systems Research, 160, 273-281.
- 2017
  - Kauffmann, T., Karaagac, U., Kocar, I., Jensen, S., Mahseredjian, J., & Farantatos, E. (2017). An Accurate Type III Wind Turbine Generator Short Circuit Model for Protection Applications. IEEE Transactions on Power Delivery, 32(6), 2370-2379.
  - Cetindag, B., Kocar, I., Gueye, A., & Karaagac, U. (2017). Modeling of Step Voltage Regulators in Multiphase Load Flow Solution of Distribution Systems Using Newton's Method and Augmented Nodal Analysis. Electric Power Components and Systems, 45(15), 1667-1677.
  - Xue, H., Ametani, A., Mahseredjian, J., Baba, Y., Rachidi, F., & Kocar, I. (2017). Transient Responses of Overhead Cables Due to Mode Transition in High Frequencies. IEEE Transactions on Electromagnetic Compatibility, 60(3), 785-794.
- 2016
  - Kocar, I., & Mahseredjian, J. (2016). New procedure for computation of time delays in propagation function fitting for transient modeling of cables. IEEE Transactions on Power Delivery, 31(2), 613-621.
  - Karaagac, U., Mahseredjian, J., Kocar, I., Soykan, G., & Saad, O. (2016). Partial refactorization based machine modeling techniques for electromagnetic transients. IEEE Transactions on Power Delivery, 31(5), 2370-2378.
  - Berger, M., Lavertu, C., Kocar, I., & Mahseredjian, J. (2016). Proposal of a Time-Domain Platform for Short-Circuit Protection Analysis in Rapid Transit Train DC Auxiliary Systems. IEEE Transactions on Industry Applications, 52(6), 5295-5304.
- 2015
  - Kocar, I., & Mahseredjian, J. (2015). Accurate Frequency Dependent Cable Model for Electromagnetic Transients. IEEE Transactions on Power Delivery, 31(3), 1281-1288.
  - Lafaia, I., Ametani, A., Mahseredjian, J., Naud, A., Correia de Barros, M. T., & Kocar, I. (2015). Field Test and Simulation of Transients on the RTE 225 kV Cable. IEEE Transactions on Power Delivery, 32(2), 628-637.
  - Ramos-Leaños, O., Mahseredjian, J., Naredo, J. L., Kocar, I., Gutierrez-Robles, J. A., & Martínez, J. A. (2015). Phase-Domain Line/Cable Model Through Second-Order Blocks. IEEE Transactions on Power Delivery, 30(6), 2460-2467.
- 2014
  - Kocar, I., Mahseredjian, J., Karaagac, U., Soykan, G., & Saad, O. (2014). Multiphase load-flow solution for large-scale distribution systems using MANA. IEEE Transactions on Power Delivery, 29(2), 908-915.
- 2013
  - Lacroix, J.-S., Kocar, I., & Belletete, M. (2013). Accelerated Computation of Multiphase Short Circuit Summary for Unbalanced Distribution Systems Using the Concept of Selected Inversion. IEEE Transactions on Power Systems, 28(2), 1515-22.
  - Karaagac, U., Mahseredjian, J., Kocar, I., & Saad, O. (2013). An efficient voltage-behind-reactance formulation-based synchronous machine model for electromagnetic transients. IEEE Transactions on Power Delivery, 28(3), 1788-1795.
  - Therrien, F., Kocar, I., & Jatskevich, J. (2013). A unified distribution system state estimator using the concept of augmented matrices. IEEE Transactions on Power Systems, 28(3), 3390-3400.
  - De Leon, F., Czarkowski, D., Spitsa, V., Martinez, J. A., Noda, T., Iravani, R., Wang, X., Davoudi, A., Chang, G. W., Mehrizi-Sani, A., & Kocar, I. (2013). Development of data translators for interfacing power-flow programs with EMTP-type programs: Challenges and lessons learned. IEEE Transactions on Power Delivery, 28(2), 1192-1201.
- 2012
  - Ramos-Leaños, O., Naredo, J. L., Mahseredjian, J., Dufour, C., Gutierrez-Robles, J. A., & Kocar, I. (2012). A wideband line/cable model for real-time simulations of power system transients. IEEE Transactions on Power Delivery, 27(4), 2211-2218.
- 2010
  - Kocar, I., Mahseredjian, J., & Olivier, G. (2010). Improvement of Numerical Stability for the Computation of Transients in Lines and Cables. IEEE Transactions on Power Delivery, 25(2), 1104-1111.
- 2008
  - Kocar, I., Mahseredjian, J., & Olivier, G. (2008). Weighting Method for Transient Analysis of Underground Cables. IEEE Transactions on Power Delivery, 23(3), 1629-1635.
Conference papers (57)
- 2024
  - Xue, T., Zhao, M., Javid, Z., Chen, X., & Kocar, I. (2024, June). A Complete Internal Voltage-Based RMS Model of Grid-Connected VSC for Weak Grid Instability Studies [Paper]. 8th International Conference on Power Energy Systems and Applications (ICoPESA), Hong Kong, Hong Kong.
  - Li, F., Kocar, I., & Lesage-Landry, A. (2024, July). A Rapid Method for Impact Analysis of Grid-edge Technologies on Power Distribution Networks [Paper]. IEEE Power & Energy Society General Meeting (PESGM), Seattle, WA, USA.
- 2023
  - Patino, O., Soto, C. C., Grilo-Pavani, A. P., Ramos, R. A., Furlaneto, R. M., & Kocar, I. (2023, July). A Practical Method to Represent Distance Protection Relays in Transient Stability Simulations of Lines Connecting Inverter-Based Resources [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2023), Orlando, FL, USA (5 pages).
  - Xue, T., Karaagac, U., Kocar, I., Vavdareh, M. B., & Ghafouri, M. (2023, December). Machine Learning Basics and Potential Applications in Power Systems [Paper]. 4th International Conference on Electrical, Communication and Computer Engineering (ICECCE 2023), Dubai, United arab emirates (7 pages).
  - Rashidirad, N., Mahseredjian, J., Kocar, I., Karaagac, U., & Saad, O. (2023, July). MANA-based load-flow solution for islanded AC microgrids [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2023), Orlando, FL, USA (1 page).
  - Li, F., Kocar, I., & Lesage-Landry, A. (2023, July). Mitigating Equipment Overloads due to Electric Vehicle Charging Using Customer Incentives [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2023), Orlando, FL, USA (5 pages).
  - Xue, H., Mahseredjian, J., Morales, J., Kocar, I., & Xémard, A. (2023, June). Parametric study of equivalent homogeneous earth method for overhead lines above a multi-layer earth [Paper]. 15th International Conference on Power Systems Transients (IPST 2023), Thessaloniki, Greece, Thessaloniki, Greece (7 pages). Published in Electric Power Systems Research, 223.
- 2022
  - Zhao, M., Chang, Y., & Kocar, I. (2022, September). Advanced Short Circuit Modeling, Analysis, and Protection Schemes Design for Transmission Systems under the Influence of Inverter-based Resources [Paper]. 9th International Conference on Power Electronics Systems and Applications (PESA 2022), Hong Kong, Hong Kong (6 pages).
  - Chang, Y., Mahseredjian, J., Kocar, I., & Karaagac, U. (2022, June). Analytical characterization of DFIG response to asymmetrical voltage dips for efficient design [Paper]. 22nd Power Systems Computation Conference (PSCC 2022), Porto, Portugal (7 pages). Published in Electric Power Systems Research, 211.
  - Haddadi, A., Farantatos, E., Mitra, P., Ramasubramanian, D., & Kocar, I. (2022, July). Impact of Distributed Energy Resources on Under Frequency Load Shedding [Paper]. IEEE Power and Energy Society General Meeting (PESGM 2022), Denver, CO, United States (6 pages).
  - Nzale, W., Mahseredjian, J., Fu, X., Kocar, I., & Dufour, C. (2022, July). Improving Numerical Accuracy in Time-Domain Simulation for Power Electronics Circuits [Abstract]. IEEE Power & Energy Society General Meeting (PESGM 2021), Denver, CO, USA. Published in 2021 IEEE Power & Energy Society General Meeting (PESGM).
  - Rashidirad, N., Mahseredjian, J., Kocar, I., & Saad, O. (2022, May). MANA-Based Load-Flow Solution for Bipolar DC Microgrids [Paper]. 14th International conference of the IMACS TC1 Committee (ELECTRIMACS 2022), Nancy, France.
  - Kocar, I., Chang, Y., Furlaneto, R. M., Grilo, A. P., Haddadi, A., & Farantatos, E. (2022, July). Nonlinear Network Equivalents of Systems with Inverter Based Resources to Study Unbalanced Faults in Steady State [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2021), Denver, CO, USA (5 pages). Published in 2021 IEEE Power & Energy Society General Meeting (PESGM).
  - Chang, Y., Zhao, M., Kocar, I., & Karaagac, U. (2022, September). Transient Analysis and Control Solutions for DFIG-based Wind Turbine Generators to Improve FRT Performance under Asymmetrical Faults [Paper]. 9th International Conference on Power Electronics Systems and Applications (PESA 2022), Hong Kong, Hong Kong (6 pages).
- 2021
  - Nzale, W., Mahseredjian, J., Fu, X., Kocar, I., & Dufour, C. (2021, June). Accurate time-domain simulation of power electronic circuits . In International Conference on Power Systems Transients (IPST 2021), Belo Horizonte, Brazil (6 pages). Published in Electric Power Systems Research, 195.
  - Cai, M., Mahseredjian, J., Kocar, I., Fu, X., & Haddadi, A. (2021, June). A parallelization-in-time approach for accelerating EMT simulations [Paper]. International Conference on Power Systems Transients (IPST 2021), Belo Horizonte, Brazil (7 pages). Published in Electric Power Systems Research, 197.
  - Haddadi, A., Zhao, M., Kocar, I., Farantatos, E., & Martinez, F. (2021, April). Impact of Inverter-Based Resources on Memory-Polarized Distance and Directional Protective Relay Elements [Paper]. 52nd North American Power Symposium (NAPS 2020), Tempe, AZ, USA (6 pages).
  - Morales, J., Mahseredjian, J., Kocar, I., Xue, H., & Daneshpooy, A. (2021, June). Modeling of overhead transmission lines for trapped charge discharge rate studies [Paper]. International Conference on Power Systems Transients (IPST 2021), Belo Horizonte, Brazil (6 pages). Published in Electric Power Systems Research, 198.
  - Karaagac, U., Kocar, I., Mahseredjian, J., Cai, L., & Javid, Z. (2021, June). STATCOM integration into a DFIG-based wind park for reactive power compensation and its impact on wind park high voltage ride-through capability [Paper]. International Conference on Power Systems Transients (IPST 2021), Belo Horizonte, Brazil (8 pages). Published in Electric Power Systems Research, 199.
- 2020
  - Abusalah, A., Saad, O., Mahseredjian, J., Karaagac, U., & Kocar, I. (2020, August). Accelerated Sparse Matrix Based Computation of Electromagnetic Transients [Paper]. IEEE-Power-and-Energy-Society General Meeting (PESGM 2020).
  - Cervantes Martinez, M., Kocar, I., Mahseredjian, J., & Ramirez, A. (2020, August). Accurate and Reduced Order Identification of Propagation Function for Electromagnetic Transient Analysis of Cables [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2020), Montréal, Québec (1 page).
  - Karaagac, U., Mahseredjian, J., Gagnon, R., Gras, H., Saad, H., Cai, L., Kocar, I., Haddadi, A., Farantatos, E., Bu, S., Chan, K., & Wang, L. (2020, August). A Generic EMT-Type Model for Wind Parks with Permanent Magnet Synchronous Generator Full Size Converter Wind Turbines [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2020), Montréal, Québec (1 page).
  - Haddadi, A., Kocar, I., Mahseredjian, J., Karaagac, U., & Farantatos, E. (2020, June). Negative sequence quantities-based protection under inverter-based resources – Challenges and impact of the German grid code [Paper]. 21st Power Systems Computation Conference (PSCC 2020) (6 pages). Published in Electric Power Systems Research, 188.
  - Becerra, J., Kocar, I., Sheshyekani, K., & Mahseredjian, J. (2020, June). Passivity enforcement of wideband line model through coupled perturbation of residues and poles [Paper]. 21st Power Systems Computation Conference (PSCC 2020) (8 pages). Published in Electric Power Systems Research, 190.
  - Haddadi, A., Kocar, I., Mahseredjian, J., Karaagac, U., & Farantatos, E. (2020, August). Performance of phase comparison line protection under inverter-based resources and impact of the german grid code [Paper]. 2020 IEEE Power and Energy Society General Meeting (PESGM 2020), Montréal, Qc, Canada (5 pages).
- 2019
  - Cervantes, M., Kocar, I., Mahseredjian, J., & Ramirez, A. (2019, August). A Traveling Wave Based Fault Location Method Using Unsynchronized Current Measurements [Abstract]. IEEE Power & Energy Society General Meeting (PESGM 2019), Atlanta, GA, USA. Published in 2019 IEEE Power & Energy Society General Meeting (PESGM).
  - Cervantes, M., Kocar, I., Mahseredjian, J., & Ramirez, A. (2019, August). Partitioned Fitting and DC Correction for the Simulation of Electromagnetic Transients in Transmission Lines/Cables [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2019), Atlanta, GA, USA. Published in 2019 IEEE Power & Energy Society General Meeting (PESGM).
  - Cervantes, M., Kocar, I., Mahseredjian, J., & Ramirez, A. (2019, June). Partitioned fitting and DC correction in transmission line/cable models [Paper]. International Conference on Power Systems Transients (IPST 2019), Perpignan, France (6 pages).
  - Nzale, W., Mahseredjian, J., Kocar, I., Fu, X., & Dufour, C. (2019, June). Two Variable Time-Step Algorithms for Simulation of Transients [Paper]. 2019 IEEE Milan PowerTech, Milan, Italy (6 pages).
- 2018
  - Haoyan, X., Ametani, A., Mahseredjian, J., & Kocar, I. (2018, June). Computation of Overhead Line/Underground Cable Parameters with Improved MoM-SO Method [Paper]. Power Systems Computation Conference (PSCC 2018), Dublin, Irelande (7 pages).
  - Lafaia, I., Mahseredjian, J., Ametani, A., Correia de Barros, T., Kocar, I., & Fillion, Y. (2018, August). Frequency and Time Domain Responses of Cross-Bonded Cables [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2018), Portland, Oregon, USA.
  - Kocar, I., Karaagac, U., Mahseredjian, J., & Cetindag, B. B. (2018, August). Multiphase Load-flow Solution and Initialization of Induction Machines [Abstract]. IEEE Power & Energy Society General Meeting (PESGM 2018), Portland, OR, USA (1 page).
  - Karaagac, U., Mahseredjian, J., Jensen, S., Gagnon, R., Fecteau, M., & Kocar, I. (2018, August). Safe operation of DFIG based wind parks in series compensated systems [Paper]. IEEE Power & Energy Society General Meeting (PESGM 2018), Portland, Oregon, USA.
- 2017
  - Kauffmann, T., Karaagac, U., Kocar, I., Jensen, S., Mahseredjian, J., & Farantatos, E. (2017, July). An accurate type III wind turbine generator short circuit model for protection applications [Abstract]. IEEE Power & Energy Society General Meeting (PESGM 2017), Chicago, Illinois, USA (1 page).
  - Gras, H., Mahseredjian, J., Rutovic, E., Karaagac, U., Haddadi, A., Saad, O., Kocar, I., & El-Akoum, A. (2017, June). A new hierarchical approach for modeling protection systems in EMT-type software [Paper]. International Conference on Power Systems Transients (IPST 2017), Seoul, Republic of Korea (6 pages).
  - Abusalah, A., Saad, O., Mahseredjian, J., Karaagac, U., Gerin-Lajoie, L., & Kocar, I. (2017, June). CPU based parallel computation of electromagnetic transients for large scale power systems [Paper]. International Conference on Power Systems Transients (IPST 2017), Seol, Republic of Korea (6 pages).
  - Lafaia, I., Mahseredjian, J., Ametani, A., Correia de Barros, M. T., Kocar, I., & Fillion, Y. (2017, June). Experimental results for field tests on a 225 kV HVAC cable [Paper]. International Conference on Power Systems Transients (IPST 2017), Seoul, Republic of Korea (6 pages).
  - Berger, M., Lavertu, C., Magalhaes, J.-P., Ferrara, D., Kocar, I., & Mahseredjian, J. (2017, January). Modeling, simulation and testing of surge transients in railway DC power systems [Paper]. IEEE IAS Electrical Safety Workshop (ESW 2017), Reno, NV, United states.
  - Kauffmann, T., Kocar, I., & Mahseredjian, J. (2017, June). New investigation on the method of characteristics for the evaluation of line transients [Paper]. International Conference on Power Systems Transients (IPST 2017), Seoul, Republic of Korea (6 pages).
- 2016
  - Kocar, I., & Mahseredjian, J. (2016, July). Accurate Frequency Dependent Cable Model for Electromagnetic Transients [Abstract]. IEEE Power and Energy Society General Meeting (PESGM 2016), Boston, MA (1 page).
  - Cetindag, B., Kauffmann, T., & Kocar, I. (2016, July). Modeling of wind parks in multiphase load flow solver with augmented Jacobian matrix formulation [Paper]. IEEE Power and Energy Society General Meeting (PESGM 2016), Boston, MA (5 pages).
  - Kocar, I., & Mahseredjian, J. (2016, July). New procedure for computation of time delays in propagation function fitting for transient modeling of cables [Abstract]. IEEE Power and Energy Society General Meeting (PESGM 2016), Boston, MA (1 page).
  - Berger, M., Lavertu, C., Kocar, I., & Mahseredjian, J. (2016, June). Time-domain emergency scenario analysis in rail passenger train [Paper]. IEEE Transportation Electrification Conference and Expo (ITEC 2016), Dearborn, MI, United states.
- 2015
  - Berger, M., Lavertu, C., Kocar, I., & Mahseredjian, J. (2015, October). Performance Analysis of DC Primary Power Protection in Railway Cars Using a Transient Analysis Tool [Paper]. 12th IEEE Vehicle Power and Propulsion Conference (VPPC 2015), Montréal, Québec (7 pages).
  - Kauffmann, T., Karaagac, U., Kocar, I., Gras, H., Mahseredjian, J., Cetindag, B., & Farantatos, E. (2015, July). Phasor domain modeling of Type III wind turbine generator for protection studies [Paper]. IEEE Power and Energy Society General Meeting (PESGM 2015), Denver, CO, United states (5 pages).
  - Karaagac, U., Kauffmann, T., Kocar, I., Gras, H., Mahseredjian, J., Cetindag, B., & Farantatos, E. (2015, July). Phasor domain modeling of type-IV wind turbine generator for protection studies [Paper]. IEEE Power and Energy Society General Meeting (PESGM 2015), Denver, CO, United states (5 pages).
  - Lafaia, I., Yamamoto, Y., Ametani, A., Mahseredjian, J., Correia de Barros, M. T., Kocar, I., & Naud, A. (2015, June). Propagation of intersheath modes on underground cables [Paper]. International Conference on Power Systems Transients (IPST 2015), Cavtat, Croatia (6 pages).
  - Lafaia, I., Yamamoto, Y., Ametani, A., Mahseredjian, J., Correia de Barros, M. T., Kocar, I., & Naud, A. (2015, June). Propagation of intersheath modes on underground cables [Paper]. 11th International Conference on Power Systems Transients (IPST), Cavtat, Croatia. Published in Electric Power Systems Research, 138.
  - Kocar, I., Mahseredjian, J., Uosef, R. E., & Cetindag, B. (2015, June). Simulation of transients in very large scale distribution networks by combining input text files with graphical user interface [Paper]. 11th International Conference on Power Systems Transients (IPST), Cavtat, Croatia. Published in Electric Power Systems Research, 138.
- 2014
  - Kocar, I., Mahseredjian, J., Karaagac, U., Soykan, G., & Saad, O. (2014, July). Multiphase load-flow solution for large-scale distribution systems using MANA [Abstract]. IEEE PES General Meeting: Conference & Exposition, National Harbor, MD (1 page).
  - Therrien, F., Kocar, I., & Jatskevich, J. (2014, July). Unified distribution system state estimator using the concept of augmented matrices [Paper]. IEEE PES General Meeting, National Harbor, MD, USA (1 page).
- 2013
  - Kocar, I. (2013, May). A common modeling platform for the multiphase analysis and simulation of modern distribution systems in offline and distribution management system applications [Paper]. 4th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG 2013), Istanbul, Turkey.
  - Houari, M., Kocar, I., Therrien, F., & Lacroix, J.-S. (2013, July). Treatment of transformers and voltage regulators in branch current state estimation for distribution networks [Paper]. IEEE Power and Energy Society General Meeting (PESGM 2013), Vancouver, BC, Canada (5 pages).
- 2012
  - Kocar, I., Lacroix, J.-S., & Therrien, F. (2012, July). General and simplified computation of fault flow and contribution of distributed sources in unbalanced distribution networks [Paper]. IEEE Power and Energy Society General Meeting (PESGM 2012), San Diego, CA, United States.
  - Kocar, I., & Lacroix, J.-S. (2012, July). Implementation of a Modified Augmented Nodal Analysis Based Transformer Model Into the Backward Forward Sweep Solver [Paper]. 2012 IEEE Power and Energy Society General Meeting, San Diego, Calif.. Published in IEEE Transactions on Power Systems, 27(2).
  - Lacroix, J. S., Kocar, I., & Therrien, F. (2012, September). Multiphase short-circuit analysis solver in phase coordinates using a modified-augmented-nodal analysis approach [Paper]. CIGRÉ Canada Conference on Power Systems, Montréal, Québec.
- 2011
  - Kocar, I. (2011, September). Comparison of cable models for the electromagnetic transient analysis of HVAC cross-bonded cable systems in EMT-type-programs [Paper]. CIGRE Canada Conference on Power Systems, Halifax.
Book chapters (3)
- 2014
  - Naredo, J. L., Mahseredjian, J., Kocar, I., Gutierrez-Robles, J. A., & Martinez-Velasco, J. A. (2014). Frequency Domain Aspects of Electromagnetic Transient Analysis of Power Systems. In Transient Analysis of Power Systems : Solution Techniques, Tools and Applications (pp. 39-71).
  - Mahseredjian, J., Kocar, I., & Karaagac, U. (2014). Solution Techniques for Electromagnetic Transients in Power Systems. In Transient Analysis of Power Systems: Solution Techniques, Tools and Applications (pp. 9-38).
- 2010
  - Naredo, J. L., Mahseredjian, J., Kocar, I., Gutiérrez-Robles, J. A., & Martinez-Velasco, J. A. (2010). Frequency domain aspects of electromagnetic transient analysis of power systems. In IEEE Tutorial Book : Solution techniques applications, simulation tool development .
Reports (1)
- 2022
  - Li, F., Kocar, I., & Lesage-Landry, A. (2022). Rapid method for impact analysis of grid-edge technologies on power distribution networks. (Technical Report n° 2022-45).
Theses (1)
- 2009
  - Kocar, I. (2009). Wideband modeling of transmission lines and cables [Ph.D. thesis, École Polytechnique de Montréal].

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Kocar, Ilhan

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Kocar, Ilhan

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Ilhan Kocar (133)