Inventor · disambiguated record
Lennart Harnefors
Also filed as: HARNEFORS LENNART
19 granted patents·5 pending applications·74 citations·filing 2007–2024
92Inventor score
Files withABB SCHWEIZ AG11HARNEFORS LENNART5HITACHI ENERGY SWITZERLAND AG3ABB TECHNOLOGY LTD2DOEFNAES LARS1
Top patents by PatentIndex Score
24 records- 0187US8400796B2Power converter with distributed cell controlDOEFNAES LARS·Filed 2008·Granted Mar 19, 2013·28 cites·14 claims
- 0286US10389129B2Method and control system for controlling a voltage source converter using power-synchronization controlABB SCHWEIZ AG·Filed 2018·Granted Aug 20, 2019·5 cites·20 claims
- 0379US9190932B2Method and device for controlling a multilevel converterHARNEFORS LENNART·Filed 2012·Granted Nov 17, 2015·7 cites·20 claims
- 0475US10193469B2Multi-level power converter and a method for controlling a multi-level power converterABB SCHWEIZ AG·Filed 2015·Granted Jan 29, 2019·3 cites·20 claims
- 0574US8400793B2Method in a cascaded two-level converter, control device and computer program productsJONSSON TOMAS·Filed 2009·Granted Mar 19, 2013·15 cites·11 claims
- 0672US10170914B2Voltage source converter (VSC) control system with active dampingABB SCHWEIZ AG·Filed 2015·Granted Jan 1, 2019·2 cites·20 claims
- 0770US11424679B2Buck boost converter cell for MMCHITACHI ENERGY SWITZERLAND AG·Filed 2019·Granted Aug 23, 2022·2 cites·19 claims
- 0870US8498133B2Controlling a high-voltage direct-current (HVDC) linkPAPAFOTIOU GEORGIOS·Filed 2011·Granted Jul 30, 2013·3 cites·14 claims
- 0966US10770900B2Method and control system for controlling a voltage source converter using power-synchronization controlABB SCHWEIZ AG·Filed 2019·Granted Sep 8, 2020·1 cites·19 claims
- 1062US10270328B2Multilevel converter with energy storageABB SCHWEIZ AG·Filed 2015·Granted Apr 23, 2019·2 cites·20 claims
- 1158US8564981B2Modular multi-level power converter with second and third order harmonics reduction filterHARNEFORS LENNART·Filed 2010·Granted Oct 22, 2013·2 cites·18 claims
- 1257US12381398B2Grid forming vector current controlABB SCHWEIZ AG·Filed 2020·Granted Aug 5, 2025·0 cites·18 claims
- 1355US2024405704A1Method of reducing vibrations in an electric motorABB SCHWEIZ AG·Filed 2024·Application pending·0 cites
- 1455US2025227900A1Method and Arrangement for Balancing of DC-Link Voltages in Series Connected InvertersABB SCHWEIZ AG·Filed 2024·Application pending·0 cites
- 1554US9531292B2Arrangement, method and computer program product concerned with tapping of power from a DC power line to an AC power lineABB TECHNOLOGY LTD·Filed 2013·Granted Dec 27, 2016·1 cites·20 claims
- 1650US11735928B2Multi-port grid forming control for grid intertiesHITACHI ENERGY SWITZERLAND AG·Filed 2020·Granted Aug 22, 2023·0 cites·18 claims
- 1750US11239764B2Voltage-source converter control systemABB SCHWEIZ AG·Filed 2021·Granted Feb 1, 2022·0 cites·12 claims
- 1849US2025226736A1Control of a voltage source converterABB SCHWEIZ AG·Filed 2023·Application pending·0 cites
- 1947US8553435B2Power converter with multi-level voltage output and harmonics filterHARNEFORS LENNART·Filed 2008·Granted Oct 8, 2013·2 cites·20 claims
- 2047US2025167665A1Damping higher order harmonics in average dc link voltagesABB SCHWEIZ AG·Filed 2023·Application pending·0 cites
- 2146US9461473B2Method and apparatus for damping oscillations in a power systemABB TECHNOLOGY LTD·Filed 2013·Granted Oct 4, 2016·0 cites·24 claims
- 2244US11646653B2Switching circuit with snubber componentsHITACHI ENERGY SWITZERLAND AG·Filed 2019·Granted May 9, 2023·0 cites·20 claims
- 2343US8330398B2Method and system to start multiple AC motors supplied by a power converter via a common AC busHARNEFORS LENNART·Filed 2007·Granted Dec 11, 2012·1 cites·9 claims
- 2442US2011153113A1Control of a voltage source converter using synchronous machine emulationHARNEFORS LENNART·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →