Heinz-Hermann Letas

Person

Bovenau, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Control of a wind turbine by changing rotation rate parameters
- Patent number 11,018,609
- Issue date May 25, 2021
- SENVION GMBH
- Heinz-Hermann Letas
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine having low-harmonic converter system, and method for o...
- Patent number 10,879,783
- Issue date Dec 29, 2020
- SENVION GMBH
- Heinz-Hermann Letas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for wind turbine circuit breaking
- Patent number 10,637,248
- Issue date Apr 28, 2020
- SENVION GMBH
- Heinz-Hermann Letas
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind turbine having an expanded voltage range
- Patent number 10,389,137
- Issue date Aug 20, 2019
- SENVION GMBH
- Heinz-Hermann Letas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Chopper-boosted converter for wind turbines
- Patent number 9,787,174
- Issue date Oct 10, 2017
- Senvion SE
- Heinz-Hermann Letas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wind turbine having improved overvoltage protection
- Patent number 9,515,594
- Issue date Dec 6, 2016
- Senvion SE
- Heinz-Hermann Letas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor load reduction in a wind power plant
- Patent number 9,416,772
- Issue date Aug 16, 2016
- Senvion SE
- Jens Altemark
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind farm harmonic predictor and method for predicting harmonics
- Patent number 9,397,599
- Issue date Jul 19, 2016
- Senvion SE
- Heinz-Hermann Letas
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind energy plant testing device
- Patent number 9,121,882
- Issue date Sep 1, 2015
- Senvion SE
- Heinz-Hermann Letas
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Control circuit and method for converters of wind turbines
- Patent number 8,934,270
- Issue date Jan 13, 2015
- Senvion SE
- Heinz-Hermann Letas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Monitoring device for pitch systems of wind energy systems
- Patent number 8,749,082
- Issue date Jun 10, 2014
- Senvion SE
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind energy system having a connection protection device
- Patent number 8,710,689
- Issue date Apr 29, 2014
- Senvion SE
- Heinz-Hermann Letas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for operating a wind power plant with excess voltage in the...
- Patent number 8,692,419
- Issue date Apr 8, 2014
- Repower Systems SE
- Jens Fortmann
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Energy supply for a blade adjustment device pertaining to a wind en...
- Patent number 8,405,237
- Issue date Mar 26, 2013
- Repower Systems AG
- Karsten Warfen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind energy installation having a double-energized asynchronous gen...
- Patent number 8,400,003
- Issue date Mar 19, 2013
- Repower Systems AG
- Heinz-Hermann Letas
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind energy installation with negative sequence system regulation a...
- Patent number 8,390,138
- Issue date Mar 5, 2013
- Repower Systems AG
- Jens Fortmann
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Phase-angle offsettng converter to minimize damaging effects of sud...
- Patent number 8,378,514
- Issue date Feb 19, 2013
- Repower Systems AG
- Jens Fortmann
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Wind park with voltage regulation of the wind energy systems and op...
- Patent number 8,373,291
- Issue date Feb 12, 2013
- Repower Systems AG
- Jorg Zeumer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Drive circuit and method for inverters of wind energy installations
- Patent number 8,368,239
- Issue date Feb 5, 2013
- Repower Systems AG
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Rotor blade adjustment device for a wind turbine
- Patent number 8,344,532
- Issue date Jan 1, 2013
- Repower Systems AG
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Method for the operation and use of a converter
- Patent number 8,189,353
- Issue date May 29, 2012
- Repower Systems AG
- Heinz-Hermann Letas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wind energy installation with an autonomous energy supply for a bla...
- Patent number 8,106,525
- Issue date Jan 31, 2012
- Repower Systems AG
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind energy installation with an extended rotation speed range
- Patent number 8,084,875
- Issue date Dec 27, 2011
- Repower Systems AG
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Wind power plant comprising a reactive power module for supporting...
- Patent number 7,741,728
- Issue date Jun 22, 2010
- Repower Systems AG
- Jens Fortmann
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Wind park with robust reactive power adjustment system and method f...
- Patent number 7,606,638
- Issue date Oct 20, 2009
- Repower Systems AG
- Jens Fortmann
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

Information Patent Application
Control of a Wind Turbine by Changing Rotation Rate Parameters
- Publication number 20190214927
- Publication date Jul 11, 2019
- SENVION GMBH
- Heinz-Hermann LETAS
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND FARM WITH AUTONOMOUS PHASE ANGLE REGULATION
- Publication number 20190170117
- Publication date Jun 6, 2019
- SENVION GMBH
- Heinz-Hermann LETAS
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE HAVING LOW-HARMONIC CONVERTER SYSTEM, AND METHOD FOR O...
- Publication number 20190097520
- Publication date Mar 28, 2019
- SENVION GMBH
- Heinz-Hermann LETAS
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE WITH FEED LINE
- Publication number 20180287369
- Publication date Oct 4, 2018
- SENVION GMBH
- Heinz-Hermann LETAS
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Application
WIND TURBINE HAVING AN EXPANDED VOLTAGE RANGE
- Publication number 20160308368
- Publication date Oct 20, 2016
- SENVION GMBH
- Heinz-Hermann LETAS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
WIND TURBINE HAVING IMPROVED OVERVOLTAGE PROTECTION
- Publication number 20150333677
- Publication date Nov 19, 2015
- Senvion SE
- Heinz-Hermann LETAS
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
CHOPPER-BOOSTED CONVERTER FOR WIND TURBINES
- Publication number 20150048683
- Publication date Feb 19, 2015
- Senvion SE
- Heinz-Hermann Letas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
WIND FARM HARMONIC PREDICTOR AND METHOD FOR PREDICTING HARMONICS
- Publication number 20130207393
- Publication date Aug 15, 2013
- REPOWER SYSTEMS SE
- Heinz-Hermann LETAS
- G01 - MEASURING TESTING
Information Patent Application
CONTROL CIRCUIT AND METHOD FOR CONVERTERS OF WIND TURBINES
- Publication number 20130170254
- Publication date Jul 4, 2013
- REPOWER SYSTEMS SE
- Heinz-Hermann Letas
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MONITORING DEVICE FOR PITCH SYSTEMS OF WIND ENERGY SYSTEMS
- Publication number 20110181045
- Publication date Jul 28, 2011
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND ENERGY PLANT TESTING DEVICE
- Publication number 20110175620
- Publication date Jul 21, 2011
- REPOWER SYSTEMS AG
- Heinz-Hermann Letas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
WIND ENERGY SYSTEM HAVING A CONNECTION PROTECTION DEVICE
- Publication number 20110031762
- Publication date Feb 10, 2011
- REPOWER SYSTEMS AG
- Heinz-Hermann Letas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
WIND ENERGY INSTALLATION HAVING A DOUBLE-ENERGIZED ASYNCHRONOUS GEN...
- Publication number 20100320762
- Publication date Dec 23, 2010
- REPOWER SYSTEMS AG
- Heinz-Hermann Letas
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
WIND PARK WITH VOLTAGE REGULATION OF THE WIND ENERGY SYSTEMS AND OP...
- Publication number 20100312409
- Publication date Dec 9, 2010
- REPOWER SYSTEMS AG
- Jorg Zeumer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD FOR OPERATING A WIND POWER PLANT WITH EXCESS VOLTAGE IN THE...
- Publication number 20100207463
- Publication date Aug 19, 2010
- REPOWER SYSTEMS AG
- Jens Fortmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
MOTOR LOAD REDUCTION IN A WIND POWER PLANT
- Publication number 20100181769
- Publication date Jul 22, 2010
- REPOWER SYSTEMS AG
- Jens Altemark
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
ROTOR BLADE ADJUSTMENT DEVICE FOR A WIND TURBINE
- Publication number 20100148506
- Publication date Jun 17, 2010
- REPOWER SYSTEMS AG
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Overvoltage protective device for wind energy installations
- Publication number 20100091417
- Publication date Apr 15, 2010
- REPOWER SYSTEMS AG
- Heinz-Hermann LETAS
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND ENERGY INSTALLATION WITH NEGATIVE SEQUENCE SYSTEM REGULATION A...
- Publication number 20100052322
- Publication date Mar 4, 2010
- REPOWER SYSTEMS AG
- Jens Fortmann
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
CONTROLLABLE PHASE-ANGLE CONVERTER
- Publication number 20100001527
- Publication date Jan 7, 2010
- REPOWER SYSTEMS AG
- Jens Fortmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD FOR THE OPERATION AND USE OF A CONVERTER
- Publication number 20090322079
- Publication date Dec 31, 2009
- REPOWER SYSTEMS AG
- Heinz-Hermann Letas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DRIVE CIRCUIT AND METHOD FOR INVERTERS OF WIND ENERGY INSTALLATIONS
- Publication number 20090322086
- Publication date Dec 31, 2009
- REPOWER SYSTEMS AG
- Heinz-Hermann LETAS
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
WIND ENERGY INSTALLATION WITH AN AUTONOMOUS ENERGY SUPPLY FOR A BLA...
- Publication number 20090243296
- Publication date Oct 1, 2009
- REPOWER SYSTEMS AG
- Heinz-Hermann Letas
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind energy installation with an extended rotation speed range
- Publication number 20090021014
- Publication date Jan 22, 2009
- REPOWER SYSTEMS AG
- Heinz-Hermann LETAS
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Energy Supply for a Blade Adjustment Device Pertaining to a Wind En...
- Publication number 20090001726
- Publication date Jan 1, 2009
- REPOWER SYSTEMS AG
- Karsten Warfen
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Wind Power Plant Comprising a Reactive Power Module For Supporting...
- Publication number 20080252076
- Publication date Oct 16, 2008
- Jens Fortmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Wind Park with Robust Reactive Power Adjustment System and Method f...
- Publication number 20080073912
- Publication date Mar 27, 2008
- REpower Systems AG
- Jens Fortmann
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Heinz-Hermann Letas

Person

Patents Grantslast 30 patents

Control of a wind turbine by changing rotation rate parameters

Wind turbine having low-harmonic converter system, and method for o...

Systems and methods for wind turbine circuit breaking

Wind turbine having an expanded voltage range

Chopper-boosted converter for wind turbines

Wind turbine having improved overvoltage protection

Motor load reduction in a wind power plant

Wind farm harmonic predictor and method for predicting harmonics

Wind energy plant testing device

Control circuit and method for converters of wind turbines

Monitoring device for pitch systems of wind energy systems

Wind energy system having a connection protection device

Method for operating a wind power plant with excess voltage in the...

Energy supply for a blade adjustment device pertaining to a wind en...

Wind energy installation having a double-energized asynchronous gen...

Wind energy installation with negative sequence system regulation a...

Phase-angle offsettng converter to minimize damaging effects of sud...

Wind park with voltage regulation of the wind energy systems and op...

Drive circuit and method for inverters of wind energy installations

Rotor blade adjustment device for a wind turbine

Method for the operation and use of a converter

Wind energy installation with an autonomous energy supply for a bla...

Wind energy installation with an extended rotation speed range

Wind power plant comprising a reactive power module for supporting...

Wind park with robust reactive power adjustment system and method f...

Patents Applicationslast 30 patents

Control of a Wind Turbine by Changing Rotation Rate Parameters

WIND FARM WITH AUTONOMOUS PHASE ANGLE REGULATION

WIND TURBINE HAVING LOW-HARMONIC CONVERTER SYSTEM, AND METHOD FOR O...

WIND TURBINE WITH FEED LINE

WIND TURBINE HAVING AN EXPANDED VOLTAGE RANGE

WIND TURBINE HAVING IMPROVED OVERVOLTAGE PROTECTION

CHOPPER-BOOSTED CONVERTER FOR WIND TURBINES

WIND FARM HARMONIC PREDICTOR AND METHOD FOR PREDICTING HARMONICS

CONTROL CIRCUIT AND METHOD FOR CONVERTERS OF WIND TURBINES

MONITORING DEVICE FOR PITCH SYSTEMS OF WIND ENERGY SYSTEMS

WIND ENERGY PLANT TESTING DEVICE

WIND ENERGY SYSTEM HAVING A CONNECTION PROTECTION DEVICE

WIND ENERGY INSTALLATION HAVING A DOUBLE-ENERGIZED ASYNCHRONOUS GEN...

WIND PARK WITH VOLTAGE REGULATION OF THE WIND ENERGY SYSTEMS AND OP...

METHOD FOR OPERATING A WIND POWER PLANT WITH EXCESS VOLTAGE IN THE...

MOTOR LOAD REDUCTION IN A WIND POWER PLANT

ROTOR BLADE ADJUSTMENT DEVICE FOR A WIND TURBINE

Overvoltage protective device for wind energy installations

WIND ENERGY INSTALLATION WITH NEGATIVE SEQUENCE SYSTEM REGULATION A...

CONTROLLABLE PHASE-ANGLE CONVERTER

METHOD FOR THE OPERATION AND USE OF A CONVERTER

DRIVE CIRCUIT AND METHOD FOR INVERTERS OF WIND ENERGY INSTALLATIONS

WIND ENERGY INSTALLATION WITH AN AUTONOMOUS ENERGY SUPPLY FOR A BLA...

Wind energy installation with an extended rotation speed range

Energy Supply for a Blade Adjustment Device Pertaining to a Wind En...

Wind Power Plant Comprising a Reactive Power Module For Supporting...

Wind Park with Robust Reactive Power Adjustment System and Method f...