Research Output per year
Fingerprint Dive into the research topics where Jari Hällström is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Electric potential
Engineering & Materials Science
Calibration
Engineering & Materials Science
Lightning
Engineering & Materials Science
dividers
Physics & Astronomy
electric potential
Physics & Astronomy
high voltages
Physics & Astronomy
impulses
Physics & Astronomy
lightning
Physics & Astronomy
Network
Recent external collaboration on country level. Dive into details by clicking on the dots.
Research Output 1986 2019
Application of Charge-Sensitive Preamplifier for the Calibration of Partial Discharge Calibrators Below 1 pC
Havunen, J. & Hällström, J., Jun 2019, In : IEEE Transactions on Instrumentation and Measurement. 68, 6, p. 2034-2040 7 p., 8640062.Research output: Contribution to journal › Article › Scientific › peer-review
Open Access
preamplifiers
Partial discharges
Calibration
Signal to noise ratio
signal to noise ratios
Comparison of Measuring Systems for Puncture Test According to IEC 61211
Hällström, J., Havunen, J., Yan, W., Li, Y., Thelio, M., Vinicius, M., Filho, O. & Laiho, M., 2019, (Accepted/In press) 21st International Symposium on High Voltage Engineering, ISH2019. 6 p.Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Open Access
Electric potential
Wire
Resistors
Position measurement
Flashover
Comparison of PD Calibration Capabilities in Four National Metrology Institutes Down to 0.1 pC
Hällström, J., Havunen, J., Bergman, A. E., Elg, A-P., Merev, A., Dedeoglu, S., Karaman, İ., Simón, P., Rovira, J., Garcia, T. & Garnacho, F., 2019, (Accepted/In press) 21st International Symposium on High Voltage Engineering, ISH2019. 5 p.Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Open Access
metrology
signal to noise ratios
amplifiers
electric potential
1
Citation
(Scopus)
Current Step Generation and Measurement with Nanosecond Rise Time using Coaxial Cable Generator
Rehman, M. Z., Hallstrom, J. & Havunen, J., 14 Feb 2019, 2018 IEEE International Conference on High Voltage Engineering and Application: ICHVE 2018. IEEE Institute of Electrical and Electronic Engineers , 8642188. (International Conference on High Voltage Engineering and Application).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Coaxial cables
Electric sparks
Sensors
Calibration
Geometry
Intercomparison of reference measuring systems for lightning impulses between three National Metrology Institutes
Meisner, J., Elg, A. P., Hallstrom, J., Passon, S., Havunen, J., Bergman, A. & Nordlund, M., 14 Feb 2019, 2018 IEEE International Conference on High Voltage Engineering and Application: ICHVE 2018. IEEE Institute of Electrical and Electronic Engineers , 8642002. (International Conference on High Voltage Engineering and Application).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
Lightning
Electric potential
Uncertainty
Prizes
standardization