Inventor · disambiguated record
Lars Helle
Also filed as: HELLE LARS
46 granted patents·3 pending applications·716 citations·filing 2001–2023
98Inventor score
Top patents by PatentIndex Score
49 records- 0199US6856038B2Variable speed wind turbine having a matrix converterVESTAS WIND SYS AS·Filed 2003·Granted Feb 15, 2005·177 cites·1 claims
- 0297US6566764B2Variable speed wind turbine having a matrix converterVESTAS WIND SYSTEMS AS R & D·Filed 2001·Granted May 20, 2003·287 cites·20 claims
- 0395US11563385B2DC chopper for MMC cell with integrated chopper resistorVESTAS WIND SYS AS·Filed 2021·Granted Jan 24, 2023·6 cites·7 claims
- 0494US11211878B2DC chopper for MMC cell with integrated chopper resistorVESTAS WIND SYS AS·Filed 2020·Granted Dec 28, 2021·7 cites·7 claims
- 0594US8395360B2Direct power and stator flux vector control of a generator for wind energy conversion systemTRIPATHI ANSHUMAN·Filed 2011·Granted Mar 12, 2013·24 cites·16 claims
- 0691US8994202B2Method and system for operating a wind turbine during an overvoltage eventGUPTA AMIT KUMAR·Filed 2011·Granted Mar 31, 2015·12 cites·20 claims
- 0791US8970057B2Method of operating a wind turbine, wind turbine, wind turbine controlling system, and processing systemLI BING·Filed 2011·Granted Mar 3, 2015·10 cites·20 claims
- 0891US8884566B2Method of position sensorless control of an electrical machineCao shu yu·Filed 2012·Granted Nov 11, 2014·10 cites·15 claims
- 0988US8742609B2Power management during grid faultsHELLE LARS·Filed 2010·Granted Jun 3, 2014·13 cites·25 claims
- 1088US8198742B2Variable speed wind turbine with a doubly-fed induction generator and rotor and grid inverters that use scalar controlsJOERGENSEN ALLAN HOLM·Filed 2008·Granted Jun 12, 2012·43 cites·5 claims
- 1186US7952346B2Method for estimating the magnetization level of one or more permanent magnets established in one or more permanent magnet rotors of a wind turbine generator and wind turbineVESTAS WIND SYS AS·Filed 2009·Granted May 31, 2011·8 cites·21 claims
- 1284US8049352B2Apparatus and method for controlling the reactive power from a cluster of wind turbines connected to a utility gridVESTAS WIND SYS AS·Filed 2008·Granted Nov 1, 2011·23 cites·5 claims
- 1382US7966103B2Apparatus and method for operating a wind turbine under low utility grid voltage conditionsVESTAS WIND SYS AS·Filed 2008·Granted Jun 21, 2011·21 cites·2 claims
- 1479US7830031B2Protection system for an electric generator, wind turbine and use hereofVESTAS WIND SYS AS·Filed 2008·Granted Nov 9, 2010·18 cites·15 claims
- 1576US8468681B2Establishing a wind turbine generator with one or more permanent magnet (PM) rotorsHELLE LARS·Filed 2009·Granted Jun 25, 2013·5 cites·13 claims
- 1671US11286904B2Method of controlling a wind turbine generatorVESTAS WIND SYS AS·Filed 2018·Granted Mar 29, 2022·2 cites·10 claims
- 1771US11098694B2Method of controlling a wind turbine generatorVESTAS WIND SYS AS·Filed 2018·Granted Aug 24, 2021·2 cites·19 claims
- 1871US8686719B2Method for estimating the magnetization level of one or more permanent magnets established in one or more permanent magnet rotors of a wind turbine generator and wind turbineHELLE LARS·Filed 2011·Granted Apr 1, 2014·1 cites·20 claims
- 1970US9837824B2Connection system for power generation system with DC outputKJAER PHILIP CARNE·Filed 2012·Granted Dec 5, 2017·4 cites·19 claims
- 2070US7915762B2Method for controlling a cluster of wind turbines connected to a utility gridVESTAS WIND SYS AS·Filed 2009·Granted Mar 29, 2011·8 cites·20 claims
- 2169US8759994B2Method of controlling a wind turbine generator and apparatus for controlling electric power generated by a wind turbine generatorCao shu yu·Filed 2010·Granted Jun 24, 2014·3 cites·20 claims
- 2268US11156207B2Operation of a wind turbine during grid loss using a power storage unitMHI VESTAS OFFSHORE WIND AS·Filed 2018·Granted Oct 26, 2021·1 cites·23 claims
- 2368US8041466B2Method for operating a wind turbine connected to a utility grid during a utility disturbance, wind turbine and wind parkVESTAS WIND SYS AS·Filed 2009·Granted Oct 18, 2011·8 cites·16 claims
- 2466US9252601B2Method for controlling a power converter in a wind turbine generatorBO YIN·Filed 2010·Granted Feb 2, 2016·4 cites·20 claims
- 2565US9722520B2Direct power and stator flux vector control of a generator for wind energy conversion systemTRIPATHI ANSHUMAN·Filed 2009·Granted Aug 1, 2017·5 cites·10 claims
- 2662US10914283B2Electrical recombinationVESTAS WIND SYS AS·Filed 2017·Granted Feb 9, 2021·1 cites·15 claims
- 2762US10590914B2Controlled inrush current for converter-connected grid filterVESTAS WIND SYS AS·Filed 2016·Granted Mar 17, 2020·1 cites·16 claims
- 2862US9306473B2Variable rotor speed wind turbine, wind park, method of transmitting electric power and method of servicing or inspecting a variable rotor speed wind turbineKJAER PHILIP RICHARD JACOBSEN CARNE·Filed 2005·Granted Apr 5, 2016·2 cites·31 claims
- 2961US8466661B2Low-voltage harmonic filter for full-scale converter systemsHELLE LARS·Filed 2009·Granted Jun 18, 2013·6 cites·18 claims
- 3060US10763670B2Rotating transformer and inductive couplingVESTAS WIND SYS AS·Filed 2017·Granted Sep 1, 2020·1 cites·19 claims
- 3160US9065329B2Reconfigurable power converter moduleKJAER PHILIP CARNE·Filed 2010·Granted Jun 23, 2015·2 cites·20 claims
- 3259US12015333B2Intelligent discharge control for modular multilevel converterVESTAS WIND SYS AS·Filed 2020·Granted Jun 18, 2024·0 cites·20 claims
- 3355US2025274032A1Method for controlling pulse with modulation invertersVESTAS WIND SYS AS·Filed 2023·Application pending·0 cites
- 3453US9476408B2Method of controlling a wind turbine generator and apparatus for controlling electric power generated by a wind turbine generatorVESTAS WIND SYS AS·Filed 2014·Granted Oct 25, 2016·0 cites·20 claims
- 3551US10236686B2Reactive power support from wind turbine facilitiesVESTAS WIND SYS AS·Filed 2015·Granted Mar 19, 2019·0 cites·20 claims
- 3649US11258345B2Method for operating a plurality of chopper circuitsVESTAS WIND SYS AS·Filed 2018·Granted Feb 22, 2022·0 cites·10 claims
- 3748US11901809B2Modular multilevel converter pre-chargingVESTAS WIND SYS AS·Filed 2020·Granted Feb 13, 2024·0 cites·11 claims
- 3848US10483865B2Converters for wind turbine generatorsVESTAS WIND SYS AS·Filed 2014·Granted Nov 19, 2019·0 cites·20 claims
- 3948US9698593B2Methods and systems for reducing the impact of a generator short circuit in a wind turbineVESTAS WIND SYS AS·Filed 2013·Granted Jul 4, 2017·0 cites·8 claims
- 4047US10700624B2Control of a wind turbine generator for reduced tonal audibilityVESTAS WIND SYS AS·Filed 2017·Granted Jun 30, 2020·0 cites·16 claims
- 4146US8933584B2Method and apparatus for dynamic load sharingHELLE LARS·Filed 2009·Granted Jan 13, 2015·1 cites·31 claims
- 4244US12199520B2Medium voltage safety procedure and housingVESTAS WIND SYS AS·Filed 2020·Granted Jan 14, 2025·0 cites·17 claims
- 4344US11365721B2Wind energy park with airborne wind energy systems and a direct current (DC) internal gridVESTAS WIND SYS AS·Filed 2019·Granted Jun 21, 2022·0 cites·13 claims
- 4444US10250042B2Wind-turbine converter control for modular string convertersVESTAS WIND SYS AS·Filed 2015·Granted Apr 2, 2019·0 cites·17 claims
- 4544US2023034965A1Off grid wind turbine electric vehicle charging system and methodVESTAS WIND SYS AS·Filed 2020·Application pending·0 cites
- 4642US10298140B2Wind turbine converter controlVESTAS WIND SYS AS·Filed 2016·Granted May 21, 2019·0 cites·20 claims
- 4742US2016248246A1Detecting faults in electricity gridsVESTAS WIND SYS AS·Filed 2014·Application pending·0 cites
- 4839US10236687B2Fault tolerant wind turbine converter systemVESTAS WIND SYS AS·Filed 2016·Granted Mar 19, 2019·0 cites·16 claims
- 4939US8686695B2Direct power and stator flux vector control of a generator for wind energy conversion systemTRIPATHI ANSHUMAN·Filed 2009·Granted Apr 1, 2014·0 cites·26 claims
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