换流设备是整流设备、逆变设备和直流变换的总称，其中整流设备可将交流电变换为直流电，逆变设备可将直流电变换为交流电，直流变换设备可将一种电压的直流电变换为另一种或几种电压的直流电。
一个循环换流器将用于调节设备的电力供应。
A cycloconverter will be used to regulate the electrical supply to the equipment.
另外宣布的是，ABB还被选中为两座换流站提供800千伏特高压直流变压器设备。
As separately announced, ABB has also been selected to supply the 800 kilovolt (kV) UHVDC transformers for both converter stations.
低压直流输电系统是换流站内重要设备之一，直接影响到整个直流输电系统及相关交流系统的安全稳定运行。
The low voltage DC system is one of the most important equipments in converter station, which is closely associated with the safety and stability of DC transmission system and correlative AC system.
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