216719 ⎘
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 involving voltage comparison
Leakage Protection Circuit, Electrical Equipment, and Leakage Protection Method
#2SHORT-CIRCUIT PROTECTION CIRCUIT AND LIGHTING DEVICE
#3CIRCUIT INTERRUPTING DEVICE FOR PROVIDING GROUND FAULT AND OPEN NEUTRAL PROTECTION IN TEMPORARY POWER APPLICATIONS
#4Circuit interrupting device for providing ground fault and open neutral protection in temporary power applications
#5LEAKAGE PROTECTION CIRCUIT AND LIGHTING SYSTEM
#6Circuit interrupting device for providing ground fault and open neutral protection in temporary power applications
#7Device for discharging over voltages and its use
#8Self-check chip of leakage protector
#9Circuit interrupting device for providing ground fault and open neutral protection in temporary power applications
#10Ground fault protection in a high resistance grounding system
#11Drive circuit, liquid crystal drive controller, and liquid crystal display device
#12Circuit interrupting device for providing ground fault and open neutral protection in temporary power applications
#13Device, battery and method for spark detection based on transient currents
#14Method and apparatus for operating a power distribution system
#15Drive circuit, liquid crystal drive controller, and liquid crystal display device
#16Method for identifying the type of a grid automatically and inverter device thereof
#17Electrical power supply panel with increased safety through monitoring and control
#18Devices and methods for fault indication connector circuits
#19Systems, methods, and devices for bipolar high voltage direct current ground fault detection
#20DISTRIBUTION OF ELECTRIC ENERGY ON A VESSEL
#21Apparatus for detecting malfunction of relay
#22Electric leakage protection device and feed control device
#23Transient protection for multi-terminal HVDC grid
#24System for detecting a falling electric power conductor and related methods
#25DIGITAL CURRENT LEAKAGE BREAKER
#26Power system including a load panel protecting a facility from a broken or missing neutral of a split phase electrical distribution configuration
#27MOTHERARD PROTECTION CIRCUIT
#28Undervoltage lockout circuit, switch control circuit and power supply device comprising the undervoltage lockout circuit
#29System for detecting a falling electric power conductor and related methods
#30Control apparatus, an on-vehicle device and a system
#31CONTROL APPARATUS, AN ON-VEHICLE DEVICE AND A METHOD
#32SAFETY OUTPUT DEVICE FOR USE IN A POWER CONVERTER AND POWER CONVERTER PROVIDED WITH THE SAME
#33Increased Voltage Vehicle Electrical System
#34Power line resistance sensing device