Tampere University of Technology

TUTCRIS Research Portal

Kari Lappalainen

  1. 2019
  2. 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

  3. 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

  4. 2018
  5. 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

  6. 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

  7. 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

  8. 2017
  9. Published

    Number of MPPs in PV Generators during Irradiance Transitions Caused by Moving Clouds

    Lappalainen, K. & Valkealahti, S., 7 Dec 2017, IEEE PES Innovative Smart Grid Technologies 2017 Asia Conference, Auckland, New Zealand. Auckland, New Zealand: IEEE, 7 p.

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

  10. Published

    Output Power Variation and Mismatch Losses of Photovoltaic Power Generators Caused by Moving Clouds

    Lappalainen, K., 17 Nov 2017, Tampere University of Technology. 116 p. (Tampere University of Technology. Publication; vol. 1506)

    Research output: Book/ReportDoctoral thesisMonograph

  11. Published

    Output power variation of different PV array configurations during irradiance transitions caused by moving clouds

    Lappalainen, K. & Valkealahti, S., 15 Mar 2017, In : Applied Energy. 190, p. 902-910 9 p.

    Research output: Contribution to journalArticleScientificpeer-review

  12. Published

    Effects of PV array layout, electrical configuration and geographic orientation on mismatch losses caused by moving clouds

    Lappalainen, K. & Valkealahti, S., 1 Mar 2017, In : Solar Energy. 144, p. 548-555 8 p.

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Effects of irradiance transition characteristics on the mismatch losses of different electrical PV array configurations

    Lappalainen, K. & Valkealahti, S., 2017, In : IET Renewable Power Generation. 11, 2, p. 248-254

    Research output: Contribution to journalArticleScientificpeer-review

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