提出了一系列降损措施，改善电网运行环境。
Proposing a series of loss-reducing measures to improve grid operating environment.
有源电力滤波器用于动态抑制谐波和补偿无功，可以有效地改善电网质量。
Active power filter is used for dynamic harmonic suppressing and compensation reactive current, which can effectively improve power network quality.
为了抑制谐波污染，改善电网品质，目前多在电源前级加入功率因数校正环节。
In order to restrain harmonic pollution and improve power system quality, power factor correction (PFC) circuit is applied in pre-stage of power supply.
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