本文分析了整流器在不同换流重叠角时的桥臂反压波形及谐波分量。
The waveform of the reverse voltage across the bridge arms and the harmonic contents are analysed.
本文将一种三角形联接方式的交交变频器应用于分频输电系统中，这种接线方式的交交变频换流站的优点是接线方式简单，整流桥数量减少50%。
In this thesis, a new cyclo converter with the delta connection is applied in the FFTS, which can simplify the connection and decrease the number of bridge circuits by 50%.
仿真结果表明：当南桥、华新换流站发生直流输电单双极闭锁以及交、直流侧 短路 故障时，不会给系统带来稳定问题。
The results show that occurrence of the single or double pole block on the DC lines, or short-circuit faults on the DC or AC lines will not influence seriously on power system stability.
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