216716 ⎘
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 two spaced portions of a single system, e.g. at opposite ends of one line, at input and output of apparatus using pilot wires or other signalling channel involving current comparison
Integrated circuit-based nano-relay
#2Current differential relay apparatus
#3Charging protection method, terminal, and charger
#4Method for controlling an installation allowing DC current to be transmitted in a network while protecting said network from a short circuit fault
#5Method, protective device and protective system for detecting a fault on a line of an electrical power supply system
#6Current differential protection method for self-adaptive half-wavelength line based on time-difference method
#7Protective relay device
#8Over-current protection apparatus and method
#9Household appliance and apparatus and method for detecting arc fault in the same
#10Photovoltaic power generation system and method for shutting down the same
#11Photovoltaic system and rapid shutdown method thereof
#12System and method for protection against electric shock
#13Method and apparatus for sensing a fault in a power system
#14Fault location in DC networks
#15Power distribution systems and methods of operating power distribution systems with partial differential protection
#16Current source converter differential protection method and relay protection device
#17Fuse protection for a line
#18Transmission line protective relay device
#19Signal generation circuit
#20Current differential protection
#21Electrical power supply system having internal fault protection
#22Method for improving power distribution protection
#23Fault protection for aircraft power systems
#24Power management and distribution system having a fault detection and isolation assembly and method
#25CURRENT MEASUREMENT AND COMPARING ASSEMBLY FOR A POWER DISTRIBUTION SYSTEM AND METHOD FOR MEASURING AND COMPARING CURRENT
#26Electric distribution system protection
#27System for electric distribution system protection and control and method of assembling the same
#28Method and system for programming and implementing automated fault isolation and restoration using sequential logic
#29RATE OF CHANGE DIFFERENTIAL PROTECTION
#30Methods and Systems Involving Monitoring Circuit Connectivity
#31Photovoltaic power generating device, and controlling method
#32Multi-terminal power line protection relay system
#33Transit time fixation device
#34Method and apparatus for high-speed fault detection in distribution systems
#35ARRANGEMENT AND METHOD FOR GENERATING A FAULT SIGNAL
#36Differential protection method, system and device
#37Circuit protection system