216735 ⎘
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to both voltage and current; responsive to phase angle between voltage and current using at least one homopolar quantity
Method and control system for fault direction detection
#2Method and control system for faulted phase detection
#3Circuit for breaking alternating current
#4Active limiting circuit for intrinsically safe equipment
#5Circuit for breaking alternating current
#6Method for operating an electric gardening and/or forestry apparatus system, protective electronic circuit, protective electronic circuit system, accumulator system and electric gardening and/or forestry apparatus system
#7Method and device for detecting a ground-fault direction in an electric three-phase network
#8Fault detection and direction determination
#9Asset condition monitoring in an electric motor
#10Method and apparatus for differential protection of an electric connection
#11Method and arrangement for generating an error signal
#12Method and system for protecting an electrical power transmission network
#13Method of Generating Fault Indication in Feeder Remote Terminal Unit for Power Distribution Automation System
#14Apparatus and method for determining a faulted phase of a three-phase ungrounded power system
#15Fault location using measurements of current and voltage from one end of a line
#16Automated calibration of I/O over a multi-variable eye window