Inventor
Lars-Erik Juhlin
Inventor
Ludvika, SE
Overview
Patents· 29 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Jprimary
H02JElectric power networks27%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution27%
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 systems17%
H02HEmergency protective circuit arrangements15%
H01HElectric switches3%
H02BBoards, substations or switching arrangements for the supply or distribution of electric power3%
F03DWind motors1%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g1%
G01RMeasuring electric variables1%
G01VGeophysics1%
PatentTitleYear
9,667,043'Device for high frequency current damping'20179,112,347'DC grid and a method of limiting the effects of a fault in a DC grid'20159,054,557'Voltage balancing of symmetric HVDC monopole transmission lines after earth faults'20159,000,623'Using the transfer switch of a hybrid circuit breaker as selector switch'20158,970,222'Line fault detector'20158,947,843'Fast breaker failure detection for HVDC circuit breakers'20158,946,917'Method for controlling power flow within a wind park system, controller, computer program and computer program products'20158,884,176'HVDC breaker and control apparatus for controlling an HVDC breaker'20148,847,430'Power flow control in a meshed HVDC power transmission network'20148,817,427'Current limitation system for limiting the effects of a fault in a DC grid and a method of operating a current limitation system'20148,736,112'Multi-terminal DC transmission system and method and means for control there-of'20148,553,433'DC voltage compensation in a multi-terminal HVDC power transmission network'20138,345,457'Voltage source converter for high voltage direct current power transmission'20138,339,818'Method and device to compensate for an asymmetrical DC bias current in a power transformer connected to a high voltage converter'20128,081,497'Converter station'20118,014,178'Converter station'20116,570,384'Location of a cable in a dc connection in a bipolar 12-pulse system for transmission of electrical energy by means of high-voltage direct current'20035,701,239'High-voltage direct current transmission installation having a high voltage regulation capability'19975,677,852'Method and arrangement for detecting and damping transcient oscillations at or near a natural resonant frequency in a power transmission system'19975,627,735'Method and device for compensation of unbalance in a series compensated converter station'19975,621,626'Method and device for control of an installation for transmission of high-voltage direct current'19974,259,713'High voltage direct current transmission'19814,199,804'Method and apparatus for controlling the alternating voltage of a static convertor'19804,126,892'Selective voltage and current control for high voltage D.C. transmission systems'19784,024,454'Holding circuit for static convertor valves'19774,023,087'Overvoltage protection for a direct current transmission'19774,023,086'Control system for rectifier equipment'19773,978,389'Series-connected static convertors with re-starting regulator after fault'19763,962,625'Convertor station with parallel-connected static convertors'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1981Patents assigned to ASEA AB (8)· patent assignee history
1976–2017Based in Ludvika, SE· patent location history
1997Patents assigned to ASEA BROWN BOVERI (4)· patent assignee history
2011–2015Patents assigned to JUHLIN LARS-ERIK (14)· patent assignee history
2012–2015Patents assigned to ABB TECHNOLOGY AG (13)· patent assignee history
2014–2015Patents assigned to BERGGREN BERTIL (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JUHLIN LARS-ERIKself | 14 | 2011–2015 |
| ABB TECHNOLOGY AG | 13 | 2012–2015 |
| ASEA AB | 8 | 1976–1981 |
| ASEA BROWN BOVERI | 4 | 1997 |
| BERGGREN BERTIL | 3 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ludvika, SE | 29 | 1976–2017 |