Lars Döfnäs

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Ludvika, SE

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Patents Grantslast 30 patents

Information Patent Grant
Black start of a multilevel voltage source converter
- Patent number 9,667,133
- Issue date May 30, 2017
- ABB Schweiz AG
- Fabienne Chataignere
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Capacitor discharge in a cell based voltage source converter
- Patent number 8,779,730
- Issue date Jul 15, 2014
- ABB Technology AG
- Ying Jiang-Häfner
- 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
Voltage source converter
- Patent number 7,239,535
- Issue date Jul 3, 2007
- ABB Technology Ltd.
- Roland Siljeström
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Recovery of transmitted power in an installation for transmission o...
- Patent number 5,701,241
- Issue date Dec 23, 1997
- Asea Brown Boveri AB
- Lars Dofnas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
BLACK START OF A MULTILEVEL VOLTAGE SOURCE CONVERTER
- Publication number 20160028303
- Publication date Jan 28, 2016
- ABB Technology Ltd.
- Fabienne CHATAIGNERE
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
RC-IGBT SWITCHING PULSE CONTROL
- Publication number 20160020764
- Publication date Jan 21, 2016
- ABB Technology Ltd.
- Annika LOKRANTZ
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CAPACITOR DISCHARGE IN A CELL BASED VOLTAGE SOURCE CONVERTER
- Publication number 20130200859
- Publication date Aug 8, 2013
- ABB TECHNOLOGY AG
- Ying Jiang-Häfner
- 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
Voltage source converter
- Publication number 20060044849
- Publication date Mar 2, 2006
- Roland Siljestrom
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER