LH

Lars Helle

VA Vestas Wind Systems A/S: 45 patents #2 of 1,023Top 1%
Overall (All Time): #61,433 of 4,157,543Top 2%
46
Patents All Time

Issued Patents All Time

Showing 25 most recent of 46 patents

Patent #TitleCo-InventorsDate
12199520 Medium voltage safety procedure and housing Cem Özgür Gerçek 2025-01-14
12015333 Intelligent discharge control for modular multilevel converter Cem Özgür Gerçek, Ciprian Biris 2024-06-18
11901809 Modular multilevel converter pre-charging Masoud Parkhou, Cem Özgür Gerçek 2024-02-13
11563385 DC chopper for MMC cell with integrated chopper resistor Ciprian Biris, Cem Özgür Gerçek, Duy Duc Doan, Tune Pedersen 2023-01-24
11365721 Wind energy park with airborne wind energy systems and a direct current (DC) internal grid Morten Lindholm, Thomas S. Bjertrup Nielsen, Torben Petersen 2022-06-21
11286904 Method of controlling a wind turbine generator Gert Karmisholt Andersen, Poul Møhl Dyrlund, Morteza Rabi, Duy Duc Doan 2022-03-29
11258345 Method for operating a plurality of chopper circuits Torsten Lund 2022-02-22
11211878 DC chopper for MMC cell with integrated chopper resistor Ciprian Biris, Cem Özgür Gerçek, Duy Duc Doan, Tune Pedersen 2021-12-28
11156207 Operation of a wind turbine during grid loss using a power storage unit Torben Møller Hansen, Niels Erik Danielsen, Tusitha Abeyasekera, Ghada Ali Diaa Hillawi, Laurids Givskov Jørgensen +1 more 2021-10-26
11098694 Method of controlling a wind turbine generator Gert Karmisholt Andersen, Morteza Rabi, Poul Møhl Dyrlund 2021-08-24
10914283 Electrical recombination Søren Viisholm Trankjær, Torben Petersen 2021-02-09
10763670 Rotating transformer and inductive coupling Søren Viisholm Trankjær, Torben Petersen 2020-09-01
10700624 Control of a wind turbine generator for reduced tonal audibility Gert Karmisholt Andersen, Kent Tange, Søren ANDERSEN, Duy Duc Doan, Jens Peter Biltoft +1 more 2020-06-30
10590914 Controlled inrush current for converter-connected grid filter Tusitha Abeyasekera, Duy Duc Doan, Gert Karmisholt Andersen, Søren ANDERSEN, Tune Pedersen +1 more 2020-03-17
10483865 Converters for wind turbine generators Tusitha Abeyasekera, Duy Duc Doan, Allan Holm Jørgensen, John Godsk Nielsen, Søren ANDERSEN 2019-11-19
10298140 Wind turbine converter control John Godsk Nielsen, Søren ANDERSEN, Duy Duc Doan 2019-05-21
10250042 Wind-turbine converter control for modular string converters Tusitha Abeyasekera, Duy Duc Doan, Søren ANDERSEN, John Godsk Nielsen 2019-04-02
10236686 Reactive power support from wind turbine facilities John Godsk Nielsen, Søren ANDERSEN, Duy Duc Doan 2019-03-19
10236687 Fault tolerant wind turbine converter system John Godsk Nielsen, Søren ANDERSEN, Duy Duc Doan 2019-03-19
9837824 Connection system for power generation system with DC output Philip Carne Kjær, Dumitru-Mihai Valcan 2017-12-05
9722520 Direct power and stator flux vector control of a generator for wind energy conversion system Anshuman Tripathi, Cao Yu, Allan Holm Jörgensen, Saurabh Gupta 2017-08-01
9698593 Methods and systems for reducing the impact of a generator short circuit in a wind turbine Victor Donescu 2017-07-04
9476408 Method of controlling a wind turbine generator and apparatus for controlling electric power generated by a wind turbine generator Shu Yu Cao, Anshuman Tripathi, Kim B. Larsen, Gert Karmisholt Andersen 2016-10-25
9306473 Variable rotor speed wind turbine, wind park, method of transmitting electric power and method of servicing or inspecting a variable rotor speed wind turbine Philip Richard Jacobsen Carne Kjaer 2016-04-05
9252601 Method for controlling a power converter in a wind turbine generator Yin Bo, Heng Deng, Kim B. Larsen, Mogens Lau 2016-02-02