The common commerical frequency voltage test apparatus are divided into two categories, namely the traditional step up transformer system and series resonance system.

常见的工频耐压设备大致可分为两类：传统的升压变压器系统和串联谐振系统。

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Detail analysis and digital simulations of NGH Scheme are presented for suppression and countermeasures of subsynchronous resonance (SSR) in a power system with series compensation.

针对串联补偿系统次同步谐振(SSR)问题的抑制及防止措施，对NGH次同步谐振阻尼方案作了详细的理论分析和仿真研究。

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Through the analysis series, found the curve for former fourth-order magnetic resonance frequency of single degree of freedom magnetic bearing system changes with the axial gap and bias current;

通过一系列的分析，找到了单自由度磁轴承系统前四阶共振频率随轴向磁隙和偏置电流的变化规律曲线；

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