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Inventor

Lennart Harnefors

Inventor
Eskilstuna, SE

Overview

14→
Patents
2012–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H02Mprimary
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems38%
H02JElectric power networks28%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%
G05BControl or regulating systems in general10%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters3%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses3%
PatentTitleYear
10,770,900Method and control system for controlling a voltage source converter using power-synchronization control202010,389,129Method and control system for controlling a voltage source converter using power-synchronization control201910,270,328Multilevel converter with energy storage201910,193,469Multi-level power converter and a method for controlling a multi-level power converter201910,170,914Voltage source converter (VSC) control system with active damping20199,531,292'Arrangement, method and computer program product concerned with tapping of power from a DC power line to an AC power line'20169,461,473'Method and apparatus for damping oscillations in a power system'20169,190,932'Method and device for controlling a multilevel converter'20158,564,981'Modular multi-level power converter with second and third order harmonics reduction filter'20138,553,435'Power converter with multi-level voltage output and harmonics filter'20138,498,133'Controlling a high-voltage direct-current (HVDC) link'20138,400,796'Power converter with distributed cell control'20138,400,793'Method in a cascaded two-level converter, control device and computer program products'20138,330,398'Method and system to start multiple AC motors supplied by a power converter via a common AC bus'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2015Patents assigned to HARNEFORS LENNART (7)· patent assignee history
2012–2013Patents assigned to ABB TECHNOLOGY AG (3)· patent assignee history
2012–2020Based in Eskilstuna, SE· patent location history
2013Patents assigned to ABB RESEARCH LTD (3)· patent assignee history
2013Based in Ludvika, SE· patent location history
2016Patents assigned to ABB TECHNOLOGY LTD (2)· patent assignee history
2019–2020Patents assigned to ABB SCHWEIZ AG (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARNEFORS LENNARTself72012–2015
ABB SCHWEIZ AG52019–2020
ABB RESEARCH LTD32013
ABB TECHNOLOGY AG32012–2013
ABB TECHNOLOGY LTD22016
Locations
LocationPatentsSpan
Eskilstuna, SE132012–2020
Ludvika, SE12013