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.

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。

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Due to considering the interaction of harmonics at ac and DC sides of converter station, the calculation result is more close to actual situation.

由于考虑了换流站交直流侧谐波的相互作用，该计算结果与实际情况更为接近。

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The paper introduces the method of AC and DC filters tuning at Longquan converter station, and the final tuning results.

介绍了龙泉换流站交、直流滤波器调谐的方法和最终调谐结果。

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