216763 ⎘
Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
Sub-classes:ANTI-EXPLOSION ELECTRONIC DEVICE AND METHOD THEREOF
#2Apparatus and method for determining transformer state based on correction of dissolved gas data
#3Explosion-proof apparatus
#4Temperature based fluid level estimation in an electrical device
#5Anomaly diagnosis device and anomaly diagnosis method for oil-hydraulic operating mechanism
#6Overload protection device and method, storage medium, compressor and electric appliance
#7Power electronics installation
#8Self-disconnecting power source apparatus
#9Self-disconnecting power source apparatus
#10Explosion-proof device
#11Protection monitoring system with fault indicators
#12Rapid pressure rise detection and management system
#13Power control unit with remote sensor
#14LIQUID LEVEL CONTROL SWITCH DEVICE AND THE CONTROL CIRCUIT THEREOF
#15Protection apparatus and method of terminal
#16Providing electricity to essential equipment during an emergency
#17Safety device for a power transformer, and related power transformer using such a safety device
#18Protection monitoring system with fault indicators
#19Battery pack for a vehicle
#20Vehicle battery safety system
#21Method and system for transformer dissolved gas harmonic regression analysis
#22Method for exception-based notification of the condition of an apparatus
#23Method and device for prevention and protection of electrical transformer against explosion and fire