What is a HVDC system?

What is a HVDC system?

A high-voltage direct current (HVDC) is a transmission system which uses direct electric current (DC) to transmit electricity. It is more efficient over long distances than the usual high-voltage alternating current (HVAC).

What is a HVDC line in Canada?

HVDC transmission line in Canada. A high-voltage direct current (HVDC) is a transmission system which uses direct electric current (DC) to transmit electricity. It is more efficient over long distances than the usual high-voltage alternating current (HVAC).

How many suppliers are involved in HVDC?

Multiple suppliers are involved: three different VSC HVDC valve suppliers, two different HVDC land/sea cable suppliers and three different control & protection system/equipment suppliers. /  22.65556°N 100.66667°E  / 22.65556; 100.66667  ( HVDC Nuozhadu Static Inverter Plant)

How many converter stations are there in a HVDC project?

HVDC projects for long-distance transmission have two (or rarely, more) converter stations and a transmission line interconnecting them. Generally overhead lines are used for interconnection, but an important class of HVDC projects use submarine power cables.