the AC side voltage

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drop-in anchors As a result of the controlled rectifier, the AC side voltage and current, the rectifier load power factor changes. When the control angle α is large, low power fa ctor, required by the system to provide a large amount of reactive power, must be carried out in situ of compensation, in order to avoid that the bulk transfer of reactive power in the distribution lines. Also the rectifier load access to the AC current non-sine wave, which contains a large number of harmonics, these harmonics cause additional heat, vibration, noise, and interference in the power system equipment can also cause damage to the capacitor, should seek to be suppressed. DC side harmonic interference with communication lines should be added to the the rectifier number of phases or the installation of the DC filter to prevent it. The thyristor switching time of a few microseconds following this wave radio frequency band (0.6 ~ 1.6MHz) interference suppression measures should be taken to.power load unbalance