Jari K. Hällström

17 papers Journal 14Unranked 3
YearRankTypeTitle / Venue / Authors
2025 — conf
Design and compatibility of different Stand Alone Merging Unit (SAMU) calibration testbeds.
AMPS
Ana Milagros Fuentes Herrera, Miguel Angel Olivan, Julio J. Melero, Angela Espin-Delgado, Stefan Svensson, Pieter van der Kamp, Ernest Houtzager, Jari K. Hällström, Tapio A. Lehtonen
2025 — conf
Evaluation of a Fiber-Optic Current Sensor for On-site Calibrations.
AMPS
Wei Zhao, Chuansheng Li, Domenico Giordano, Palma Sara Letizia, Davide Signorino, Jari K. Hällström, Gert Rietveld
2023 J jnl
Empirical Characterization of Cable Effects on a Reference Lightning Impulse Voltage Divider.
IEEE Trans. Instrum. Meas.
Jussi Havunen, Stephan Passon, Jari K. Hällström, Johann Meisner, Tim Christoph Schlüterbusch
2021 J jnl
Reference Switching Impulse Voltage Measuring System Based on Correcting the Voltage Divider Response With Software.
IEEE Trans. Instrum. Meas.
Jussi Havunen, Jari K. Hällström
2019 J jnl
Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC.
IEEE Trans. Instrum. Meas.
Jussi Havunen, Jari K. Hällström
2017 — conf
Optical voltage sensor for MV networks.
IEEE SENSORS
Grzegorz Fusiek, John Nelson, Pawel Niewczas, Jussi Havunen, Esa-Pekka Suomalainen, Jari K. Hällström
2015 J jnl
A Reference System for Measuring High-DC Voltage Based on Voltage References.
IEEE Trans. Instrum. Meas.
Ahmet Merev, Jari K. Hällström
2015 J jnl
Performance of a Modular Wideband HVDC Reference Divider for Voltages up to 1000 kV.
IEEE Trans. Instrum. Meas.
Jari K. Hällström, Anders Bergman, Serkan Dedeoglu, Alf-Peter Elg, Ernest Houtzager, Joni V. Klüss, Tapio Lehtonen, Wolfgang Lucas, Johann Meisner, Ahmet Merev, Tatu Nieminen, Matthias Schmidt, Esa-Pekka Suomalainen, Christian Weber
2015 J jnl
Tail-Chopped Lightning Impulses Time Parameters Estimated According to Standard IEC 60060-1: 2010.
IEEE Trans. Instrum. Meas.
Carlos R. Hall Barbosa, Jari K. Hällström, Marcio Thelio Fernandes da Silva, Luiz Carlos Azevedo, Lucas Castro Faria
2015 J jnl
Traceability and Characterization of a 1000 kV HVDC Reference Divider.
IEEE Trans. Instrum. Meas.
Alf-Peter Elg, Anders Bergman, Jari K. Hällström, Mohammad Kharezy, Tatu Nieminen
2014 J jnl
Performance of a Wideband 200-kV HVDC Reference Divider Module.
IEEE Trans. Instrum. Meas.
Jari K. Hällström, Anders Bergman, Serkan Dedeoglu, Alf-Peter Elg, Ernest Houtzager, Wolfgang Lucas, Ahmet Merev, Johann Meisner, Matthias Schmidt, Esa-Pekka Suomalainen, Christian Weber
2011 J jnl
Comparison of Asynchronous Sampling Correction Algorithms for Frequency Estimation of Signals of Poor Power Quality.
IEEE Trans. Instrum. Meas.
Rado Lapuh, Paul Clarkson, Umberto Pogliano, Jari K. Hällström, Paul S. Wright
2009 J jnl
Onsite Calibration of a Current Transformer Using a Rogowski Coil.
IEEE Trans. Instrum. Meas.
Esa-Pekka Suomalainen, Jari K. Hällström
2007 J jnl
High-Accuracy Comparison of Lightning and Switching Impulse Calibrators.
IEEE Trans. Instrum. Meas.
Takayuki Wakimoto, Jari K. Hällström, Yury Chekurov, Masaru Ishii, Wolfgang Lucas, Jukka Piiroinen, Hiroyuki Shimizu
2007 J jnl
Worldwide Comparison of Lightning Impulse Voltage Measuring Systems at the 400-kV Level.
IEEE Trans. Instrum. Meas.
Jari K. Hällström, Martti M. Aro, Anders Bergman, V. Bovier-Lapierre, F. Garnacho, J. I. Juvik, V. Kiseliev, Z. Lian Hong, Wolfgang Lucas, Yi Li, M. L. Pykälä, Juris Rungis, K. Schon, V. H. Truong
2005 J jnl
Comparison of two impulse calibrators with a high-resolution digitizer.
IEEE Trans. Instrum. Meas.
Yi Li, Jari K. Hällström, Wolfgang Lucas
2003 J jnl
A calculable impulse voltage calibrator for calibration of impulse digitizers.
IEEE Trans. Instrum. Meas.
Jari K. Hällström, Yury Chekurov, Martti M. Aro