Research Output

2020

Emulating Rotational Inertia of Synchronous Machines by a New Control Technique in Grid-Interactive Converters

Saeedian, M., Pournazarian, B., Seyedalipour, S. S., Eskandari, B. & Pouresmaeil, E., 2020, In : Sustainability . 12, 13, 14 p., 5346.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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1 Downloads (Pure)

Multiphase Multipurpose High power Variable Speed Drive: Design and implementation

Eskandari, B., Kyyra, J. & Abdoli, H., Feb 2020, Proceedings of the 11th Power Electronics, Drive Systems, and Technologies Conference, PEDSTC 2020. IEEE, 4 p. 9088361

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2019

A variable DC approach to minimize drivetrain losses in fuel cell marine power systems

Haxhiu, A., Kyyrä, J., Chan, R. & Kanerva, S., 24 Apr 2019, 2019 IEEE Power and Energy Conference at Illinois, PECI 2019. IEEE, 6 p. 8698924

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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10 Downloads (Pure)
Open Access

Dynamic Stochastic EPEC Model for Competition of Dominant Producers in Generation Expansion Planning

Valinejad, J., Marzband, M., Barforoshi, T., Kyyrä, J. & Pouresmaeil, E., 16 Jan 2019, Proceedings of the 5th International Symposium on Environment-Friendly Energies and Applications, EFEA 2018. Santini, E., Di Gennaro, S. & Bruzzese, C. (eds.). IEEE, 5 p. 8617107

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
4 Citations (Scopus)
87 Downloads (Pure)

Efficiency optimisation of an interleaved high step-up converter

Ahmad, B., Kyyra, J. & Martinez, W., Jun 2019, In : The Journal of Engineering. 17, p. 4167-4172 6 p.

Research output: Contribution to journalConference articleScientificpeer-review

Open Access
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66 Downloads (Pure)

EMI Standard Compliance of Three-Phase Buck Type PFC Rectifier for Application in Aircraft

Ahmad, B., Kyyrä, J., Routimo, M. & Martinez, W., Oct 2019, Proceedings of the 45th Annual Conference of the IEEE Industrial Electronics Society, IECON 2019. IEEE, p. 6355-6362 8 p. 8927363. (Proceedings of the Annual Conference of the IEEE Industrial Electronics Society).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Ethics Versus Loyalty: A Young Professional's Case

Ovaska, S. J., 1 Nov 2019, In : IEEE POTENTIALS. 38, 6, p. 30-31 2 p., 8895855.

Research output: Contribution to journalArticleProfessional

FEA based Model for high-frequency design optimization of a three-winding coupled inductor for HSU converters

Ahmad, B., Jayathurathnage, P., Kyyra, J. & Martinez, W., 1 Sep 2019, Proceedings of the 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe. IEEE, 10 p. 8915380. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Hardware-in-the-loop test for real-time economic control of a DC microgrid

Doroudchi, E., Feng, X., Strank, S., Hebner, R. E. & Kyyrä, J., 2019, In : The Journal of Engineering. 17, p. 4298-4303 6 p.

Research output: Contribution to journalConference articleScientificpeer-review

Open Access
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70 Downloads (Pure)

Investigating Wind Generation Investment Indices in Multi-Stage Planning

Valinejad, J., Marzband, M., Busawon, K., Kyyrä, J. & Pouresmaeil, E., 16 Jan 2019, Proceedings of the 5th International Symposium on Environment-Friendly Energies and Applications, EFEA 2018. Santini, E., Di Gennaro, S. & Bruzzese, C. (eds.). IEEE, 6 p. 8617106

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
4 Citations (Scopus)
81 Downloads (Pure)

Simulink Model for PWM-Supplied Laminated Magnetic Cores Including Hysteresis, Eddy-Current and Excess Losses

Rasilo, P., Martinez, W., Fujisaki, K., Kyyrä, J. & Ruderman, A., 1 Feb 2019, In : IEEE Transactions on Power Electronics. 34, 2, p. 1683 - 1695 13 p., 8372615.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File
11 Citations (Scopus)
211 Downloads (Pure)

Successive injections modulation of a direct three-phase to single-phase AC/AC converter for a contactless electric vehicle charger

Kusumah, F. P. & Kyyrä, J., 2019, In : The Journal of Engineering. 2019, 17, p. 4106-4110 5 p.

Research output: Contribution to journalConference articleScientificpeer-review

Open Access
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45 Downloads (Pure)
2018

Angular Frequency Dynamic-Based Control Technique of a Grid-Interfaced Converter Emulated by a Synchronous Generator

Mehrasa, M., Sepehr, A., Pouresmaeil, E., Kyyrä, J., Marzband, M. & Catalão, J. P. S., 2018, Proceedings of the 2018 International Conference on Smart Energy Systems and Technologies (SEST). IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
2 Citations (Scopus)
96 Downloads (Pure)

Approaching Net Zero Energy Housing Through Integrated EV

Doroudchi, E., Alanne, K., Okur, Ö., Kyyrä, J. & Lehtonen, M., 31 Jan 2018, In : Sustainable Cities and Society. 38, p. 534-542 9 p.

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Bi-directional Power Transfer of a Contactless Electric Vehicle Charger Using Direct Three-Phase to Single-Phase AC/AC Converter

Kusumah, F. P. & Kyyra, J., 30 Oct 2018, Proceedings of the 20th European Conference on Power Electronics and Applications, EPE-ECCE Europe 2018. IEEE, 10 p. 8515518. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
1 Citation (Scopus)
7 Downloads (Pure)

Common Mode Noise Analysis for a High Step-Up Converter with GaN Devices

Ahmad, B., Martinez, W. & Kyyrä, J., 2018, Proceedings of the IEEE Energy Conversion Congress and Exposition, ECCE 2018. IEEE, p. 1240 - 1246 (IEEE Energy Conversion Congress and Exposition).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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114 Downloads (Pure)

Comparison of converters using LLC and LCCT resonant tanks

Pridala, M., Frivaldsky, M. & Ovaska, S. J., 26 Jun 2018, Proceedings of the 12th International Conference ELEKTRO (ELEKTRO 2018). IEEE, p. 1-5 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Conducted Noise Emissions of GaN based DC-DC Converters for High Voltage Gain Applications

Ahmad, B., Martinez, W. & Kyyrä, J., 2018, (Submitted) In : Energies.

Research output: Contribution to journalArticleScientificpeer-review

Finite Element Methods for Multi-objective optimization of a High Step-up Interleaved Boost Converter

Martinez, W., Cortes, C. A., Ahmad, B. & Kyyrä, J., 2018, Proceedings of the International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. IEEE, p. 2193-2198 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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3 Citations (Scopus)
139 Downloads (Pure)

If I were a student again: My next choice

Ovaska, S., 2 May 2018, In : IEEE POTENTIALS. 37, 3, p. 41-42 2 p.

Research output: Contribution to journalArticleProfessional

Initial Current Injection Method of a Direct Three-Phase to Single-Phase AC/AC Converter for Inductive Charger

Kusumah, F. P. & Kyyrä, J., 22 Oct 2018, Proceedings of the 2018 International Power Electronics Conference, IPEC-Niigata - ECCE Asia 2018. IEEE, p. 3870-3876 7 p. 8507417. (International Conference on Power Electronics).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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68 Downloads (Pure)

Managing your career in a dynamic environment

Ovaska, S., 2 May 2018, In : IEEE POTENTIALS. 37, 3, p. 24-26 3 p.

Research output: Contribution to journalArticleProfessional

Modified Modulation Signals for GaN-E-HEMTs based HERIC Inverter to Improve Reverse Conduction Performance

Ahmad, B., Martinez, W. & Kyyrä, J., 2018, Proceedings of the 2018 20th European Conference on Power Electronics and Applications, EPE 2018 ECCE Europe. IEEE, 10 p. 8515437. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
1 Citation (Scopus)
26 Downloads (Pure)

Stability Analysis of a Synchronous Generator-Based Control Technique used in Large-Scale Grid Integration of Renewable Energy

Mehrasa, M., Sepehr, A., Pouresmaeil, E., Kyyrä, J., Marzband, M. & Catalão, J. P. S., 2018, Proceedings of the 2018 International Conference on Smart Energy Systems and Technologies (SEST). IEEE, 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
2 Citations (Scopus)
80 Downloads (Pure)
2017

aaltOS for energy harvesting applications: Effects of clock frequency and system tick on power and energy consumption

Khan, A. A., Ahistus, M., Liukko, T., Lumela, J., Sassi, O. & Ovaska, S., Nov 2017, Proceedings of the 2017 IEEE 14th International Scientific Conference on Informatics, Informatics'2017. IEEE, p. 168-172 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

A zero-crossing approximation of a distorted sinusoidal signal using analog circuit

Kusumah, F. P. & Kyyrä, J., 18 Dec 2017, Proceedings of the 43rd Annual Conference of the IEEE Industrial Electronics Society, IECON 2017. IEEE, p. 732-737 6 p. (Proceedings of the Annual Conference of the IEEE Industrial Electronics Society).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
File
105 Downloads (Pure)

Comparison of LLC and LCCT converter topologies

Prídala, M., Frivaldský, M. & Ovaska, S., Nov 2017, Proceedings of the European Conference on Electrical Engineering and Computer Science, EECS 2017. IEEE, p. 365-369 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Minimizing coil power loss in a direct AC/AC converter-based contactless electric vehicle charger

Kusumah, F. P. & Kyyrä, J., 9 Nov 2017, Proceedings of the 19th European Conference on Power Electronics and Applications, EPE'17 ECCE Europe. IEEE, p. 1-10 10 p. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Performance analysis of a transformerless solar inverter with modified PWM

Ahmad, B., Martinez, W. & Kyyrä, J., 2017, Proceedings of the 6th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2017 . IEEE, p. 1024-1029 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

11 Citations (Scopus)
2016

Battery energy storage effect on AC/DC microgrids efficiency

Doroudchi, E., Kyyrä, J. & Lehtonen, M., 25 Oct 2016, Proceedings of the 2016 18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe. IEEE, 7695659. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Components selection of a direct three-phase to single-phase AC/AC converter for a contactless electric vehicle charger

Kusumah, F. P., Vuorsalo, S. & Kyyrä, J., 25 Oct 2016, Proceedings of the 2016 18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe. IEEE, 7695411. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

6 Citations (Scopus)

Demand response control of a townhouse thermal storage by greedy variable neighborhood algorithm

Doroudchi, E., Lehtonen, M. & Kyyrä, J., 2016, In : International Review of Electrical Engineering. 11, 6, p. 654-662 9 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Direct-to-chip liquid cooling for reducing power consumption in a subarctic supercomputer centre

Ovaska, S. J., Dragseth, R. E. & Hanssen, S. A., 2016, In : INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING AND NETWORKING. 9, 3, p. 242-249 8 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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4 Citations (Scopus)
106 Downloads (Pure)

Impact of retrofitted CPU water cooling on supercomputer performance and power consumption

Ovaska, S., Dragseth, R. & Hanssen, S., 7 Jul 2016, SoutheastCon 2016. IEEE, Vol. 2016-July. 2 p. 7506669

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

2 Citations (Scopus)

Modeling power flow in computer and server systems

Malkamäki, T. & Ovaska, S., 21 Jun 2016, Proceedings of the 2nd International Workshop on Energy-Aware Simulation, ENERGY-SIM 2016. ACM, 7 p. 2939950

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)

Towards automation of knowledge understanding: An approach for probabilistic generative classifiers

Fisch, D., Gruhl, C., Kalkowski, E., Sick, B. & Ovaska, S., 2016, In : Information Sciences. 370-371, p. 476-496 21 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Workshop: Sustainable and energy efficient data centers

Ovaska, S., 7 Jul 2016, SoutheastCon 2016. IEEE, Vol. 2016-July. 2 p. 7506675

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

1 Citation (Scopus)
2015

A direct three-phase to single-phase AC/AC converter for contactless electric vehicle charger

Kusumah, F. P., Vuorsalo, S. & Kyyrä, J., 2015, 17th European Conference on Power Electronics and Applications (EPE'15 ECCE-Europe), Geneva, 8-10 September 2015. IEEE, p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

8 Citations (Scopus)

Analytical model of data center infrastructure efficiency for system level simulations

Malkamäki, T. & Ovaska, S. J., 2015, 8th International Conference on Simulation Tools and Techniques, Athens, Greece, August 24-26, 2015. Brussels, Belgium: ICST (Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering), p. 319-325

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Design of an energy management scheme for a series-hybrid powertrain in heavy-duty vehicle applications

Liukkonen, M., Suomela, J. & Ovaska, S. J., 2015, In : International Journal of Powertrains. 4, 1, p. 53-70

Research output: Contribution to journalArticleScientificpeer-review

Optimizing energy cost via battery sizing in residential PV/battery systems

Doroudchi, E., Pal, S. K., Lehtonen, M. & Kyyrä, J., Nov 2015, Proceedings of the 2015 IEEE Innovative Smart Grid Technologies - Asia, ISGT ASIA 2015. IEEE, 7387155

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

5 Citations (Scopus)
2014

A hybrid optimization method based on differential evolution and harmony search

Gao, X., Wang, X., Ovaska, S. J. & Zenger, K., 2014, In : International Journal of Computational Intelligence and Applications. 13, 1, p. 1-23

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Current measurement and short-circuit protection of an IGBT based on module parasitics

Oinonen, M., Laitinen, M. & Kyyrä, J., 2014, 15th European Conference on Power Electronics and Applications (EPE EEC 2014), Lappeenranta, Finland, August 25-8, 2014. Lappeenranta: European Power Electronics Society, p. 1-9 9 p. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

15 Citations (Scopus)

Sensitivity analysis for the design of an energy management scheme of supercapacitor buffereing in a regulated DC bus

Liukkonen, M., Ovaska, S. J. & Kyyrä, J., 2014, The 16th European Conference on Power Electronics and Applications (EPE'14-ECCE), Lappeenranta, Finland, August 26-28, 2014. IEEE, p. 1-8 8 p. (European Conference on Power Electronics and Applications).

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

3 Citations (Scopus)
2013

Modeling of multiport DC busses in power-electronic systems

Liukkonen, M., Hinkkanen, M., Kyyrä, J. & Ovaska, S. J., 25 Feb 2013, The IEEE International Conference on Industrial Technology (ICIT 2013). Cape Town, South Africa: IEEE, p. 740-745 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

Open Access
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7 Citations (Scopus)
158 Downloads (Pure)

Modelling of parasitic inductances of a high precision inductive adder for CLIC

Holma, J., Barnes, M. J. & Ovaska, S. J., 2013, The 4th International Particle Accelerator Conference (IPAC'13), Shanghai, China, May 12-17, 2013. p. 738-740

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

10 Citations (Scopus)
2012

A discrete optimization problem for benchmarking heuristic algorithms targeted for digital filter design

Ovaska, S. J. & Shilane, D. A., 2012, In : International Journal of Computers and their Applications. 19, 3, p. 176-186

Research output: Contribution to journalArticleScientificpeer-review

A hybrid optimization method for wind generator design

Gao, X. Z., Wang, X., Jokinen, T., Ovaska, S. J., Arkkio, A. & Zenger, K., 2012, In : INTERNATIONAL JOURNAL OF INNOVATIVE COMPUTING, INFORMATION AND CONTROL. 8, 6, p. 4347-4373

Research output: Contribution to journalArticleScientificpeer-review

29 Citations (Scopus)