Inventor · disambiguated record
Bertil Berggren
Also filed as: BERGGREN BERTIL
36 granted patents·3 pending applications·435 citations·filing 1997–2020
97Inventor score
Top patents by PatentIndex Score
39 records- 0198US6525504B1Method and device for controlling the magnetic flux in a rotating high voltage electric alternating current machineABB AB·Filed 2000·Granted Feb 25, 2003·134 cites·48 claims
- 0295US8803358B2HVDC switchyard and an HVDC switchyard systemHÄFNER JÜRGEN·Filed 2011·Granted Aug 12, 2014·21 cites·21 claims
- 0395US6936947B1Turbo generator plant with a high voltage electric generatorABB AB·Filed 1997·Granted Aug 30, 2005·94 cites·38 claims
- 0487US10819112B1Feeder line fault response using direct current interconnection systemABB SCHWEIZ AG·Filed 2019·Granted Oct 27, 2020·6 cites·23 claims
- 0583US8553437B2Method and control device for controlling power flow within a DC power transmission networkBERGGREN BERTIL·Filed 2010·Granted Oct 8, 2013·7 cites·20 claims
- 0679US6226163B1Device and method relating to protection of an object against over-currents comprising over-current reductionASEA BROWN BOVERI·Filed 1997·Granted May 1, 2001·38 cites·46 claims
- 0775US9000623B2Using the transfer switch of a hybrid circuit breaker as selector switchBERGGREN BERTIL·Filed 2011·Granted Apr 7, 2015·5 cites·20 claims
- 0875US8749933B2Fault protection of HVDC transmission linesBERGGREN BERTIL·Filed 2010·Granted Jun 10, 2014·4 cites·20 claims
- 0973US6894416B1Hydro-generator plantABB AB·Filed 1997·Granted May 17, 2005·18 cites·35 claims
- 1072US7839125B2Apparatus and method for optimization of power flow control between different paths of a high voltage network in dependence of a disturbance in the networkABB RESEARCH LTD·Filed 2007·Granted Nov 23, 2010·2 cites·12 claims
- 1171US10122163B2Scalable switchyard for interconnecting direct current power networksABB SCHWEIZ AG·Filed 2015·Granted Nov 6, 2018·3 cites·20 claims
- 1270US9042071B2Breaker failure protection of HVDC circuit breakersBERGGREN BERTIL·Filed 2010·Granted May 26, 2015·3 cites·4 claims
- 1370US7852050B2Apparatus and method for simultaneous provision of power flow control in a three-phase AC transmission lineABB RESEARCH LTD·Filed 2006·Granted Dec 14, 2010·10 cites·10 claims
- 1467US6831388B1Synchronous compensator plantABB AB·Filed 1997·Granted Dec 14, 2004·12 cites·42 claims
- 1565US8817427B2Current limitation system for limiting the effects of a fault in a DC grid and a method of operating a current limitation systemBERGGREN BERTIL·Filed 2011·Granted Aug 26, 2014·2 cites·20 claims
- 1663US8095326B2Method 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
- 1761US8170723B2Determination and use of power system sensitivitiesBERGGREN BERTIL·Filed 2009·Granted May 1, 2012·5 cites·13 claims
- 1861US7859232B2Apparatus and method for improved power flow control in a high voltage networkABB RESEARCH LTD·Filed 2005·Granted Dec 28, 2010·5 cites·17 claims
- 1960US8830708B2Fault current limitation in DC power transmission systemsBERGGREN BERTIL·Filed 2009·Granted Sep 9, 2014·5 cites·29 claims
- 2058US9112347B2DC grid and a method of limiting the effects of a fault in a DC gridBERGGREN BERTIL·Filed 2011·Granted Aug 18, 2015·1 cites·18 claims
- 2158US8497602B2Time delay compensation in power system controlKORBA PETR·Filed 2010·Granted Jul 30, 2013·3 cites·17 claims
- 2258US6891303B2High voltage AC machine winding with grounded neutral circuitABB AB·Filed 1997·Granted May 10, 2005·16 cites·41 claims
- 2355US8710700B2Power or voltage oscillation damping in a power transmission systemBERGGREN BERTIL·Filed 2012·Granted Apr 29, 2014·1 cites·23 claims
- 2455US6737767B2Synchronous compensationABB AB·Filed 2001·Granted May 18, 2004·11 cites·19 claims
- 2554US11811219B2Restoration of fault insulated feederABB SCHWEIZ AG·Filed 2019·Granted Nov 7, 2023·0 cites·13 claims
- 2653US11862975B2Power transfer between MV feeders in a power distribution networkABB SCHWEIZ AG·Filed 2020·Granted Jan 2, 2024·0 cites·14 claims
- 2752US11121543B2Fault mitigation in medium voltage distribution networksABB SCHWEIZ AG·Filed 2018·Granted Sep 14, 2021·0 cites·20 claims
- 2851US11031773B2Transformer isolation response using direct current linkABB SCHWEIZ AG·Filed 2019·Granted Jun 8, 2021·0 cites·24 claims
- 2950US2013307331A1Investigating timing reliability in relation to control of a power transmission systemABB RESEARCH LTD·Filed 2013·Application pending·0 cites
- 3048US11489356B2MVDC link-powered battery chargers and operation thereofABB SCHWEIZ AG·Filed 2019·Granted Nov 1, 2022·0 cites·30 claims
- 3148US10971934B2Distribution networks with flexible direct current interconnection systemABB SCHWEIZ AG·Filed 2018·Granted Apr 6, 2021·0 cites·20 claims
- 3247US7847527B2Apparatus and method for improved power flow control in a high voltage networkABB RESEARCH LTD·Filed 2004·Granted Dec 7, 2010·4 cites·19 claims
- 3346US9601926B2Multi terminal HVDC controlABB RESEARCH LTD·Filed 2015·Granted Mar 21, 2017·0 cites·21 claims
- 3445US2011093124A1Investigating timing reliability in relation to control of a power transmission systemABB RESEARCH LTD·Filed 2010·Application pending·0 cites
- 3542US6873080B1Synchronous compensator plantABB AB·Filed 1998·Granted Mar 29, 2005·10 cites·37 claims
- 3641US8798800B2Control of a power transmission systemBERGGREN BERTIL·Filed 2011·Granted Aug 5, 2014·0 cites·26 claims
- 3741US7843176B2Apparatus and method for improved power flow control in a high voltage networkABB RESEARCH LTD·Filed 2004·Granted Nov 30, 2010·0 cites·19 claims
- 3838US6828701B1Synchronous machine with power and voltage controlASEA BROWN BOVERI·Filed 1998·Granted Dec 7, 2004·9 cites·39 claims
- 3926US2004012472A1Flux control for high power static electromagnetic devicesFiled 1997·Application pending·0 cites
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