采用德国西门子IGBT变频，电压反馈串联谐振电路。变换效率高达97.5%以上。
Adopt IGBT frequency conversion of German Siemens and voltage feedback series resonance circuit. The conversion efficiency is reaching up to above 97.5%.
最后探讨了串联谐振式限流器对继电保护和电网过电压的影响。
Finally, the impact of series resonant current limiter on relay protection and over voltage in grid was explored.
并且通过串联阻尼电阻以限制调节过程中谐振引起的电压升高。
Meanwhile, the voltage rise caused by resonance in course of adjusting is controlled by series damping resistance.
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