216734 ⎘
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 involving phase comparison between current and voltage or between values derived from current and voltage
COMPLEX FAULT PROTECTION METHOD AND SYSTEM FOR SINGLE RETURN LINE OF ARC SUPPRESSION COIL GROUND SYSTEM
#2NETWORK PROTECTOR FOR SECONDARY DISTRIBUTION NETWORK THAT INCLUDES DISTRIBUTED ENERGY RESOURCES
#3Current-based directional element in a power delivery system
#4Hybrid air-gap / solid-state circuit breaker
#5Network protector control for spot network fed from feeder sources having voltage differences
#6Circuit interruption apparatuses
#7Electricity amount detection method and device, terminal and storage medium
#8Hybrid air-gap / solid-state circuit breaker
#9System and method for detecting, localizing and quantifying excess voltage drop in three-phase AC circuits
#10Apparatus and method for controlling adaptive reclosing based on transient stability
#11Detection of capacitor bank fuse/switch failure
#12Systems and methods for swing angle estimation in an electrical power system
#13System and method for measuring an integrated circuit age
#14Electronic circuit and method for determining an impedance
#15Circuit protection device and protection method
#16Fault direction determination
#17Controller for a motor and a method of controlling the motor
#18Directional fault current indicator
#19AC power backfeed protection based on voltage
#20Automated AC line filter and surge suppression apparatus and method
#21Fault detection apparatus and method