Inventor
JUHLIN LARS-ERIK
SE27 patents
⚠️ This page may combine multiple inventors who share the name “JUHLIN LARS-ERIK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
JUHLIN LARS-ERIK
7 patentsUS8947843B2Feb 3, 2015
Fast breaker failure detection for HVDC circuit breakers
JUHLIN LARS-ERIK9 citations83
US8847430B2Sep 30, 2014
Power flow control in a meshed HVDC power transmission network
JUHLIN LARS-ERIK5 citations72
US8884176B2Nov 11, 2014
HVDC breaker and control apparatus for controlling an HVDC breaker
JUHLIN LARS-ERIK3 citations62
US8553433B2Oct 8, 2013
DC voltage compensation in a multi-terminal HVDC power transmission network
JUHLIN LARS-ERIK2 citations62
US8339818B2Dec 25, 2012
Method and device to compensate for an asymmetrical DC bias current in a power transformer connected to a high voltage converter
JUHLIN LARS-ERIK2 citations62
US9054557B2Jun 9, 2015
Voltage balancing of symmetric HVDC monopole transmission lines after earth faults
JUHLIN LARS-ERIK0 citations41
US8970222B2Mar 3, 2015
Line fault detector
JUHLIN LARS-ERIK0 citations41
ASEA AB
7 patentsUS4259713AMar 31, 1981
High voltage direct current transmission
ASEA AB19 citations79
US4199804AApr 22, 1980
Method and apparatus for controlling the alternating voltage of a static convertor
ASEA AB5 citations62
US3978389AAug 31, 1976
Series-connected static convertors with re-starting regulator after fault
ASEA AB6 citations62
US4023086AMay 10, 1977
Control system for rectifier equipment
ASEA AB0 citations52
US4023087AMay 10, 1977
Overvoltage protection for a direct current transmission
ASEA AB1 citations51
US4024454AMay 17, 1977
Holding circuit for static convertor valves
ASEA AB1 citations49
US3962625AJun 8, 1976
Convertor station with parallel-connected static convertors
ASEA AB1 citations46
ASEA BROWN BOVERI
3 patentsUS5701239ADec 23, 1997
High-voltage direct current transmission installation having a high voltage regulation capability
ASEA BROWN BOVERI17 citations73
US5627735AMay 6, 1997
Method and device for compensation of unbalance in a series compensated converter station
ASEA BROWN BOVERI15 citations73
US5621626AApr 15, 1997
Method and device for control of an installation for transmission of high-voltage direct current
ASEA BROWN BOVERI4 citations62
BERGGREN BERTIL
3 patentsUS9000623B2Apr 7, 2015
Using the transfer switch of a hybrid circuit breaker as selector switch
BERGGREN BERTIL5 citations72
US8817427B2Aug 26, 2014
Current limitation system for limiting the effects of a fault in a DC grid and a method of operating a current limitation system
BERGGREN BERTIL2 citations60
US9112347B2Aug 18, 2015
DC grid and a method of limiting the effects of a fault in a DC grid
BERGGREN BERTIL1 citations49