Electrode line
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An electrode line is an electrical connection from a static inverter plant of a high voltage direct current transmission system to the earth grounding electrode (cathode or anode). The grounding electrode is for the prevention of electro-chemical corrosion and for the avoidance of electromagnetic influence, located some kilometers away from the static inverter station, so for this a separate line connection is necessary. This can be implemented depending upon the situation of the electrode (ashore or in the sea) as ground cables, as overhead line, or as a combination of ground cable and overhead line. Electrode lines are mostly used with systems that have an operating voltage of approx. 10-20kV (medium voltage range).
