Inventor
KNAAK HANS-JOACHIM
DE13 patents
Patents
13 patentsUS9875861B2Jan 23, 2018
Device and method for switching a direct current
SIEMENS AG7 citations79
US5471377ANov 28, 1995
Process for controlling a power supply which supplies power to an electrostatic filter in which secondary circuit states are determined based on measured primary circuit values and in which short circuits are detected
SIEMENS AG17 citations72
US10505467B2Dec 10, 2019
Converter station with diode rectifier
SIEMENS AG2 citations71
US9960603B2May 1, 2018
Installation for transmitting electrical power
SIEMENS AG5 citations71
US9853562B2Dec 26, 2017
Converter station with diode rectifier
SIEMENS AG3 citations71
US9748848B2Aug 29, 2017
Modular multilevel DC/DC converter for HVDC applications
SIEMENS AG5 citations71
US9705406B2Jul 11, 2017
Modular multi-level DC-DC converter for HVDC applications
SIEMENS AG3 citations71
US10470259B2Nov 5, 2019
Power supply for a non-linear load with multilevel matrix converters
SIEMENS AG2 citations67
US10243357B2Mar 26, 2019
Apparatus and method for switching a direct current
SIEMENS AG1 citations60
US10468884B2Nov 5, 2019
Device and method for controlling a load flow in an alternating-voltage network
SIEMENS AG1 citations59
US9831657B2Nov 28, 2017
Device for switching a direct current in a pole of a DC voltage network
SIEMENS AG1 citations45
US10333389B2Jun 25, 2019
Converter module for a multi-stage converter and method for operating said converter module
SIEMENS AG0 citations40
US9806532B2Oct 31, 2017
Method for switching an operating current
SIEMENS AG0 citations39