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Substation Equipment: Converter Stations

Converter Stations
Converter stations are located at the terminals of a DC transmission line. Converter stations can change alternating current into direct current or change direct current to alternating current. Sometimes converter stations are located at a generation power plant or at transmission substations. Two unsynchronized AC transmission systems can be connected together with converter stations.

Converter stations are also found in most substations for converting the emergency battery back-up system to AC power for use in an emergency.


Figure 1. Converter station in battery room
Figure 1. Converter station in battery room
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