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.
采用串联电压谐振产生高压起辉，必须采取过流保护措施。 电子镇流器高次谐波的产生及其所带来的危害。
We also should take protective measures for the volt power bright spots that produced by the series voltage resonance and the higher harmonic produced by the Electronic Ballast.
在介损测量基本原理的基础上，分析了串联谐振的基本原理，提出了电流互感器进行高电压介损测量时的设备配置，结合典型事例给出了测试结果。
Based on principium of medium loss measurement, principium of series resonance is analyzed, and device layout of current mutual inductance used in high voltage medium loss measure is presented.
本文研制了一套在调频串联谐振电压下进行介质损耗因数测量的系统。
The author has developed a dissipation factor measuring system using the variable frequency series resonant voltage.
为使系统的功率因数较高，采用电压源型负载串联谐振中频逆变器和频率跟踪技术。
In order to improve the power parameter further, the intermediate frequency inversion of an electric voltage power type series resonance and frequency trace technique are adopted.
但是CVT内部等值电容与电抗串联可能产生次谐波谐振，引起过电压，会使CVT损坏。
The subharmonic vibration, however, caused by the series connection of equivalent capacity inside CVT with the reactor may lead to over-voltage which might damage CVT.
串联电感又会与电学上容性的超声电机产生谐振影响超声电机上电压的高低。
Meanwhile, since the USM is capacitive, its voltage would be interfered by resonant excited by the inductors.
串联电感又会与电学上容性的超声电机产生谐振影响超声电机上电压的高低。
Meanwhile, since the USM is capacitive, its voltage would be interfered by resonant excited by the inductors.
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