1. DC cables

1.1 Areas of DC power transmission

There are many reasons why high-voltage direct current (HVDC) power transmission was chosen, and the reader may wish to refer to the article in this treatise on High-voltage direct current power transmission [57] . Among these are the following:

• interconnection of two networks of the same or different frequencies and network stabilization ;

• very long-distance transmission (> 600 km for lines); from 40 km upwards (depending on the power to be transmitted), HVDC power transmission via