Tampere University of Technology

TUTCRIS Research Portal

Kari Lappalainen

  1. 2020
  2. Published

    Number of maximum power points in photovoltaic arrays during partial shading events by clouds

    Lappalainen, K. & Valkealahti, S., 2020, In : Renewable Energy. 152, p. 812-822 11 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. 2019
  4. Published

    Fluctuation of PV array global maximum power point voltage during irradiance transitions caused by clouds

    Lappalainen, K. & Valkealahti, S., 18 Nov 2019, In : IET Renewable Power Generation. 13, 15, p. 2864-2870 7 p.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    Photovoltaic Module Parametric Identification

    Spagnuolo, G., Lappalainen, K., Valkealahti, S. & Manganiello, P., 4 Nov 2019, 2019 International Conference on Clean Electrical Power (ICCEP). IEEE, p. 302-305 4 p. (International Conference on Clean Electrical Power).

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

  6. Published

    Experimental verification of a method to model the operation of PV modules during irradiance transitions

    Lappalainen, K. & Valkealahti, S., 21 May 2019, ELECTRIMACS 2019 - The 13th international conference of the IMACS TC1 Committee, 21-23 May 2019, Salerno, Italy.. Springer, 5 p. (Lecture notes in electrical engineering).

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

  7. E-pub ahead of print

    Characteristics of the cloud enhancement phenomenon and PV power plants

    Järvelä, M., Lappalainen, K. & Valkealahti, S., 2019, In : Solar Energy. 196, p. 137-145 9 p.

    Research output: Contribution to journalArticleScientificpeer-review

  8. Published

    Identification and Diagnosis of a Photovoltaic Module Based on Outdoor Measurements

    Spagnuolo, G., Lappalainen, K., Valkealahti, S. & Manganiello, P., 2019, 2019 IEEE Milan PowerTech. IEEE, 6 p.

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

  9. Published

    Operation of PV Arrays at the Largest MPP Voltage Instead of the Global MPP Voltage during Irradiance Transitions Caused by Clouds

    Lappalainen, K. & Valkealahti, S., 2019, 36th European Photovoltaic Solar Energy Conference and Exhibition (36th EU PVSEC), 9-13 September, 2019, Marseille, France. EU PVSEC, p. 1579-1584 6 p. (Proceedings (EU PVSEC)).

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

  10. 2018
  11. Published

    Cloud Enhancement Phenomenon and its Effect on PV Generators

    Järvelä, M., Lappalainen, K. & Valkealahti, S., 25 Sep 2018, 35th European Photovoltaic Solar Energy Conference and Exhibition (35th EU PVSEC), 24–28 September, 2018, Brussels, Belgium. p. 1964-1968

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

  12. Published

    Size of a Basic Simulation Unit in PV System Partial Shading Studies

    Lappalainen, K. & Valkealahti, S., 2018, 35th European Photovoltaic Solar Energy Conference and Exhibition (35th EU PVSEC), 24–28 September, 2018, Brussels, Belgium. p. 1647-1651 5 p.

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

  13. Published

    Smoothing of Output Power Variation with Increasing PV Array Size

    Lappalainen, K. & Valkealahti, S., 2018, IEEE PES Innovative Smart Grid Technologies 2018 Asia Conference, Singapore. IEEE, p. 190-195 6 p.

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

Previous 1 2 3 Next

ID: 69906