Inventor · disambiguated record
Tord Bengtsson
Also filed as: BENGTSSON TORD
23 granted patents·2 pending applications·189 citations·filing 1995–2023
94Inventor score
Top patents by PatentIndex Score
25 records- 0193US10473707B2Monitoring a transformer comprising a tap changerABB SCHWEIZ AG·Filed 2017·Granted Nov 12, 2019·8 cites·15 claims
- 0291US8924170B2Method and system for detecting a failed rectifier in an AC/DC converterBENGTSSON TORD·Filed 2014·Granted Dec 30, 2014·15 cites·12 claims
- 0383US5933012ADevice for sensing of electric discharges in a test objectABB RESEARCH LTD·Filed 1996·Granted Aug 3, 1999·77 cites·21 claims
- 0482US7719285B2Ground fault detectionABB RESEARCH LTD·Filed 2009·Granted May 18, 2010·14 cites·8 claims
- 0576US10809289B2Method and device for determining capacitive component parametersABB SCHWEIZ AG·Filed 2018·Granted Oct 20, 2020·2 cites·18 claims
- 0674US8279567B2Circuit breaker with improved re-closing functionalityBENGTSSON TORD·Filed 2010·Granted Oct 2, 2012·4 cites·14 claims
- 0773US6340890B1Method and device for locating partial discharges in an electric high-voltage apparatusABB RESEARCH LTD·Filed 1995·Granted Jan 22, 2002·35 cites·14 claims
- 0872US10962604B2Arrangement for injection-based ground fault protection handlingABB SCHWEIZ AG·Filed 2019·Granted Mar 30, 2021·1 cites·19 claims
- 0971US10389107B1Protecting a transformer comprising a tap changerABB SCHWEIZ AG·Filed 2017·Granted Aug 20, 2019·1 cites·18 claims
- 1070US8005637B2Method and apparatus for measuring characteristics of an electrical deviceABB RESEARCH LTD·Filed 2009·Granted Aug 23, 2011·6 cites·22 claims
- 1167US9041383B2Method and device for linearizing a transformerBENGTSSON TORD·Filed 2013·Granted May 26, 2015·2 cites·16 claims
- 1266US9322866B2Method and apparatus for transformer diagnosisABB RESEARCH LTD·Filed 2013·Granted Apr 26, 2016·2 cites·14 claims
- 1363US8095326B2Method and device to predict a state of a power system in the time domainBERGGREN BERTIL·Filed 2009·Granted Jan 10, 2012·6 cites·10 claims
- 1461US8170723B2Determination and use of power system sensitivitiesBERGGREN BERTIL·Filed 2009·Granted May 1, 2012·5 cites·13 claims
- 1561US2025110190A1Monitoring a transformer comprising a tap changerHITACHI ENERGY LTD·Filed 2023·Application pending·0 cites
- 1660US12372560B2Providing a frequency of an electrical quantity in an electrical power systemHITACHI ENERGY LTD·Filed 2021·Granted Jul 29, 2025·0 cites·20 claims
- 1758US9075099B2Method for adaptation of ground fault detectionJOHANSSON HENRIK·Filed 2011·Granted Jul 7, 2015·1 cites·15 claims
- 1850US10254155B2Monitoring torsional oscillations in a turbine-generatorABB SCHWEIZ AG·Filed 2014·Granted Apr 9, 2019·0 cites·17 claims
- 1949US10416209B2Method and system for measuring power loss in a power transformerABB SCHWEIZ AG·Filed 2017·Granted Sep 17, 2019·0 cites·10 claims
- 2049US9099913B2Method and device for estimating the clamping force on a winding package of a transformer or a reactorWASS TORBJORN·Filed 2010·Granted Aug 4, 2015·1 cites·13 claims
- 2148US9018960B2Method and device for enhancing the reliability of generator ground fault detection on a rotating electrical machineJOHANSSON HENRIK·Filed 2013·Granted Apr 28, 2015·0 cites·14 claims
- 2247US2022206482A1Substation equipment monitoring using a scada systemHITACHI ENERGY SWITZERLAND AG·Filed 2020·Application pending·0 cites
- 2344US10309995B2Method and system for determining phasor components of a periodic waveformABB SCHWEIZ AG·Filed 2016·Granted Jun 4, 2019·0 cites·19 claims
- 2444US8472156B2Method and device for supervising the sensitivity of a protection functionTHORBURN STEFAN·Filed 2011·Granted Jun 25, 2013·0 cites·13 claims
- 2539US6157196AMethod for monitoring of tap changers by acoustic analysisABB RESEARCH LTD·Filed 1997·Granted Dec 5, 2000·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →