Inventor
WALDMANN HERMANN
13 patents
⚠️ This page may combine multiple inventors who share the name “WALDMANN HERMANN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIEMENS AG
11 patentsUS4419621ADec 6, 1983
Monitoring system for the capacitor batteries of a three-phase filter circuit
SIEMENS AG59 citations94
US3968422AJul 6, 1976
Method and apparatus for the static compensation of reactive power
SIEMENS AG45 citations92
US4409542AOct 11, 1983
Monitoring system for an LC filter circuit in an AC power network
SIEMENS AG49 citations90
US5294857AMar 15, 1994
Synchronous machine having control coils for compensating mechanical oscillations of the rotor
SIEMENS AG11 citations73
US4507703AMar 26, 1985
System for error-protected operation of multipanel, power distribution network switches
SIEMENS AG21 citations73
US4393345AJul 12, 1983
Circuit for damping hunting by electric machines
SIEMENS AG11 citations72
US4008428AFeb 15, 1977
Circuit arrangement with a number of frequency converters, particularly Y-connected direct frequency converters
SIEMENS AG8 citations72
US4429338AJan 31, 1984
Earth contact monitoring device for a polyphase three-phase filter circuit
SIEMENS AG17 citations71
US4205368AMay 27, 1980
Method for the transmission of DC current between at least one rectifier station and several inverter stations
SIEMENS AG16 citations65
US4326230AApr 20, 1982
Circuit for monitoring the voltage stress of a capacitor
SIEMENS AG4 citations60
US3934184AJan 20, 1976
Arrangement for regulating the speed of an asynchronous motor
SIEMENS AG5 citations54