Thyristor valves for high voltage direct current (HVDC) power transmission - Part 1: Electrical test...
Applies to thyristor valves with metal oxide surge arresters
directly connected between the valve terminals, for use in a line
commuted commutated converter for high voltage d.c. power
transmission or as part of a back-to-back link. Retricted to
electrical type and production tests. Tests are based on air
insulated valves.
Valves à thyristors pour le transport d'énergie en courant continu à haute tension (CCHT) - Par...
S'applique aux valves à thyristors équipées de parafoudres à oxyde
métallique directement connectés entre les bornes des valves, qui
sont destinées à être utilisées au niveau d'un convertisseur commuté par le réseau pour le transport d'énergie en courant continu à haute tension ou dans une liaison en opposition. Limitée aux essais de type électrique et de série. Les essais sont…
Appliance coupler for household and similar general purposes - Part 2-3: Appliance coupler with a de...
Applies to two-pole non-reversible appliance couplers for cold conditions for a.c. only, with a degree of protection against ingress of water higher than IPX0, with a rated voltage not exceeding 250 V and rated current not exceeding 10 A for a 50 Hz or 60 Hz supply.
They are intended for the connection of the supply cord to portable electrical appliances of class II for household, commercial…
Global maritime distress and safety system (GMDSS) - Part 8: Shipborne watchkeeping receivers for th...
Specifies the minimum requirements for shipborne receivers intended to be connected to an external installation, including a decoder for digital selective calling (DSC), and used as receivers for watchkeeping on DSC channels on board ships operating in the maritime mobile MF, MF/HF and VHF bands.
