Lennart Harnefors

Person

Ludvika, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Switching circuit with snubber components
- Patent number 11,646,653
- Issue date May 9, 2023
- Hitachi Energy Switzerland AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Buck boost converter cell for MMC
- Patent number 11,424,679
- Issue date Aug 23, 2022
- Hitachi Energy Switzerland AG
- Aravind Mohanaveeramani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Voltage-source converter control system
- Patent number 11,239,764
- Issue date Feb 1, 2022
- ABB Schweiz AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and control system for controlling a voltage source converte...
- Patent number 10,770,900
- Issue date Sep 8, 2020
- ABB Schweiz AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and control system for controlling a voltage source converte...
- Patent number 10,389,129
- Issue date Aug 20, 2019
- ABB Schweiz AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multilevel converter with energy storage
- Patent number 10,270,328
- Issue date Apr 23, 2019
- ABB Schweiz AG
- Tomas Tengner
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Multi-level power converter and a method for controlling a multi-le...
- Patent number 10,193,469
- Issue date Jan 29, 2019
- ABB Schweiz AG
- Lennart Harnefors
- G05 - CONTROLLING REGULATING
Information Patent Grant
Voltage source converter (VSC) control system with active damping
- Patent number 10,170,914
- Issue date Jan 1, 2019
- ABB Schweiz AG
- Lennart Harnefors
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Arrangement, method and computer program product concerned with tap...
- Patent number 9,531,292
- Issue date Dec 27, 2016
- ABB TECHNOLOGY LTD
- Kalpesh Hirjibhai Bhalodi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for damping oscillations in a power system
- Patent number 9,461,473
- Issue date Oct 4, 2016
- ABB Technology Ltd.
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and device for controlling a multilevel converter
- Patent number 9,190,932
- Issue date Nov 17, 2015
- ABB AB
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Modular multi-level power converter with second and third order har...
- Patent number 8,564,981
- Issue date Oct 22, 2013
- ABB Research Ltd.
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter with multi-level voltage output and harmonics filter
- Patent number 8,553,435
- Issue date Oct 8, 2013
- ABB Technology AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Controlling a high-voltage direct-current (HVDC) link
- Patent number 8,498,133
- Issue date Jul 30, 2013
- ABB Research Ltd.
- Georgios Papafotiou
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method in a cascaded two-level converter, control device and comput...
- Patent number 8,400,793
- Issue date Mar 19, 2013
- ABB Research Ltd.
- Tomas Jonsson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Power converter with distributed cell control
- Patent number 8,400,796
- Issue date Mar 19, 2013
- ABB Technology AG
- Lars Döfnäs
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and system to start multiple AC motors supplied by a power c...
- Patent number 8,330,398
- Issue date Dec 11, 2012
- ABB Technology AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Switching Circuit with Snubber Components
- Publication number 20220368246
- Publication date Nov 17, 2022
- Hitachi Energy Switzerland AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Buck Boost Converter Cell for MMC
- Publication number 20220045610
- Publication date Feb 10, 2022
- ABB Power Grids Switzerland AG
- Aravind Mohanaveeramani
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Voltage-Source Converter Control System
- Publication number 20210367529
- Publication date Nov 25, 2021
- ABB Schweiz AG
- Lennart Harnefors
- G05 - CONTROLLING REGULATING
Information Patent Application
Method And Control System For Controlling A Voltage Source Converte...
- Publication number 20190265663
- Publication date Aug 29, 2019
- ABB Schweiz AG
- Lennart Harnefors
- G05 - CONTROLLING REGULATING
Information Patent Application
Method And Control System For Controlling A Voltage Source Converte...
- Publication number 20190157870
- Publication date May 23, 2019
- ABB Schweiz AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
VOLTAGE SOURCE CONVERTER (VSC) CONTROL SYSTEM WITH ACTIVE DAMPING
- Publication number 20180278058
- Publication date Sep 27, 2018
- ABB Schweiz AG
- Lennart HARNEFORS
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MULTI-LEVEL POWER CONVERTER AND A METHOD FOR CONTROLLING A MULTI-LE...
- Publication number 20180138825
- Publication date May 17, 2018
- ABB Schweiz AG
- Lennart HARNEFORS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTILEVEL CONVERTER WITH ENERGY STORAGE
- Publication number 20180026519
- Publication date Jan 25, 2018
- ABB Schweiz AG
- Tomas TENGNER
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND APPARATUS FOR DAMPING OSCILLATIONS IN A POWER SYSTEM
- Publication number 20160218510
- Publication date Jul 28, 2016
- ABB Technology Ltd.
- Lennart HARNEFORS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ARRANGEMENT, METHOD AND COMPUTER PROGRAM PRODUCT CONCERNED WITH TAP...
- Publication number 20160118908
- Publication date Apr 28, 2016
- ABB Technology Ltd.
- Kalpesh Hirjibhai BHALODI
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
METHOD AND DEVICE FOR CONTROLLING A MULTILEVEL CONVERTER
- Publication number 20150162848
- Publication date Jun 11, 2015
- ABB AB
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MODULAR MULTI-LEVEL POWER CONVERTER WITH SECOND AND THIRD ORDER HAR...
- Publication number 20130027995
- Publication date Jan 31, 2013
- ABB RESEARCH LTD.
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROLLING A HIGH-VOLTAGE DIRECT-CURRENT (HVDC) LINK
- Publication number 20120033461
- Publication date Feb 9, 2012
- ABB Research Ltd.
- Georgios Papafotiou
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD IN A CASCADED TWO-LEVEL CONVERTER, CONTROL DEVICE AND COMPUT...
- Publication number 20110273915
- Publication date Nov 10, 2011
- Tomas Jonsson
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER WITH MULTI-LEVEL VOLTAGE OUTPUT AND HARMONICS FILTER
- Publication number 20110261598
- Publication date Oct 27, 2011
- ABB TECHNOLOGY AG
- Lennart Harnefors
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
POWER CONVERTER WITH DISTRIBUTED CELL CONTROL
- Publication number 20110222323
- Publication date Sep 15, 2011
- Lars Dofnas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CONTROL OF A VOLTAGE SOURCE CONVERTER USING SYNCHRONOUS MACHINE EMU...
- Publication number 20110153113
- Publication date Jun 23, 2011
- Lennart Harnefors
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD AND SYSTEM TO START MULTIPLE AC MOTORS SUPPLIED BY A POWER C...
- Publication number 20100164412
- Publication date Jul 1, 2010
- Lennart Harnefors
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Lennart Harnefors

Person

Patents Grantslast 30 patents

Switching circuit with snubber components

Buck boost converter cell for MMC

Voltage-source converter control system

Method and control system for controlling a voltage source converte...

Method and control system for controlling a voltage source converte...

Multilevel converter with energy storage

Multi-level power converter and a method for controlling a multi-le...

Voltage source converter (VSC) control system with active damping

Arrangement, method and computer program product concerned with tap...

Method and apparatus for damping oscillations in a power system

Method and device for controlling a multilevel converter

Modular multi-level power converter with second and third order har...

Power converter with multi-level voltage output and harmonics filter

Controlling a high-voltage direct-current (HVDC) link

Method in a cascaded two-level converter, control device and comput...

Power converter with distributed cell control

Method and system to start multiple AC motors supplied by a power c...

Patents Applicationslast 30 patents

Switching Circuit with Snubber Components

Buck Boost Converter Cell for MMC

Voltage-Source Converter Control System

Method And Control System For Controlling A Voltage Source Converte...

Method And Control System For Controlling A Voltage Source Converte...

VOLTAGE SOURCE CONVERTER (VSC) CONTROL SYSTEM WITH ACTIVE DAMPING

MULTI-LEVEL POWER CONVERTER AND A METHOD FOR CONTROLLING A MULTI-LE...

MULTILEVEL CONVERTER WITH ENERGY STORAGE

METHOD AND APPARATUS FOR DAMPING OSCILLATIONS IN A POWER SYSTEM

ARRANGEMENT, METHOD AND COMPUTER PROGRAM PRODUCT CONCERNED WITH TAP...

METHOD AND DEVICE FOR CONTROLLING A MULTILEVEL CONVERTER

MODULAR MULTI-LEVEL POWER CONVERTER WITH SECOND AND THIRD ORDER HAR...

CONTROLLING A HIGH-VOLTAGE DIRECT-CURRENT (HVDC) LINK

METHOD IN A CASCADED TWO-LEVEL CONVERTER, CONTROL DEVICE AND COMPUT...

POWER CONVERTER WITH MULTI-LEVEL VOLTAGE OUTPUT AND HARMONICS FILTER

POWER CONVERTER WITH DISTRIBUTED CELL CONTROL

CONTROL OF A VOLTAGE SOURCE CONVERTER USING SYNCHRONOUS MACHINE EMU...

METHOD AND SYSTEM TO START MULTIPLE AC MOTORS SUPPLIED BY A POWER C...