202906 ⎘
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Details; Cases ; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices; Oil reservoirs or tanks; Lowering means therefor Protective arrangements responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
Arc extinguishing systems
#2Expandable turret for electrical equipment
#3Subsea power distribution device and system
#4Burst protector for high-voltage device
#5Safety device for a power transformer, and related power transformer using such a safety device
#6Device for explosion prevention of an on load tap changer including a rupture element
#7Low force low oil trip mechanism
#8DEVICE AND METHOD FOR MONITORING A GAS VOLUME IN A UNIT FILLED WITH LIQUID
#9Expansion Vessel for Stepping Switches
#10Transformer conservator isolation valve (TCIV)
#11Device and method for monitoring a gas volume in a unit filled with liquid