Dynamic Effect of Input-Voltage Feedforward in Three-Phase Grid-Forming Inverters

by Matias Berg, Tomi Roinila
Published 2020-06-01

Impedance-Based Stability Analysis of Paralleled Grid-Connected Rectifiers: Experimental Case Study in a Data Center

by Henrik Alenius, Tomi Roinila
Published 2020-04-01

Practical Implementation of Adaptive SRF-PLL for Three-Phase Inverters Based on Sensitivity Function and Real-Time Grid-Impedance Measurements

by Roni Luhtala, Henrik Alenius, Tomi Roinila
Published 2020-03-01

Combination of Orthogonal Injections in Impedance Measurements of Grid-Connected Systems

by Henrik Alenius, Roni Luhtala, Tomi Roinila
Published 2020-01-01

Broadband Impedance Measurement of Lithium-Ion Battery in the Presence of Nonlinear Distortions

by Jussi Sihvo, Tomi Roinila, Daniel-Ioan Stroe
Published 2020-05-01

Identification of Three-Phase Grid Impedance in the Presence of Parallel Converters

by Roni Luhtala, Tuomas Messo, Tomi Roinila, Henrik Alenius, Erik de Jong, Andrew Burstein, Alejandra Fabian
Published 2019-07-01

Methods for rapid frequency-domain characterization of leakage currents in silicon nanowire-based field-effect transistors

by Tomi Roinila, Xiao Yu, Jarmo Verho, Tie Li, Pasi Kallio, Matti Vilkko, Anran Gao, Yuelin Wang
Published 2014-07-01

Using High-Bandwidth Voltage Amplifier to Emulate Grid-Following Inverter for AC Microgrid Dynamics Studies

by Tuomas Messo, Roni Luhtala, Tomi Roinila, Erik de Jong, Rick Scharrenberg, Tommaso Caldognetto, Paolo Mattavelli, Yin Sun, Alejandra Fabian
Published 2019-01-01