216721 ⎘
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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers responsive to earthing of the neutral conductor
GROUND FAULT CIRCUIT INTERRUPTER (GFCI) WITH LIMIT DETECTION AND ADAPTIVE SAMPLE ACCUMULATION WINDOW
#2APPARATUSES AND METHODS FOR PASSIVE FAULT MONITORING OF CURRENT SENSING DEVICES IN PROTECTIVE CIRCUIT INTERRUPTERS
#3Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters
#4Ground fault circuit interrupter (GFCI) devices, systems, and methods
#5GROUND FAULT CIRCUIT INTERRUPTER (GFCI) DEVICES, SYSTEMS, AND METHODS
#6Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters
#7Systems and methods of grounded neutral fault detection by single frequency excitation and leakage spectral analysis
#8Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters
#9Systems and methods for improving restricted earth fault protection
#10Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters
#11Method for locating an electrical arc fault and electrical installation protection device implementing such a method
#12Monitor device, ground fault protection circuit and techniques
#13Circuit interrupter providing grounded neutral protection and method of controlling the same
#14Ground fault current interrupter circuit
#15Integrated arc fault and ground fault current sensing package
#16GFCI with capacitive power supply circuit
#17Grounded neutral detection circuit and circuit interrupter including the same
#18Apparatuses and methods for passive fault monitoring of current sensing devices in protective circuit interrupters
#19Multi-winding ground fault sensor
#20ELECTRICAL SAFETY CONTROL DEVICE
#21Earth surface potential and harmonic mitigating transformers
#22Arc fault and ground fault interrupter using dual ADC
#23Electric leakage determination circuit for electric leakage circuit breaker
#24Circuit interrupter providing grounded neutral protection and method of controlling the same
#25Self-testing features of sensing and control electronics for a power grid protection system
#26Methods and appratus for ground fault circuit interrupt detection using a single transformer
#27Thermally protected resettable GFCI
#28Ground fault detection device
#29Methods and apparatus for multi-frequency ground fault circuit interrupt grounded neutral fault detection
#30Methods and appraratus for ground fault circuit interrupt detection using a single transformer
#31Corded leakage-current detection and interruption apparatus
#32Residual current device with double grounded neutral fault detection
#33Single-sensor microcontroller-based approach for ground fault circuit interrupters