subsynchronous

The HVDC transmission system may lead to subsynchronous oscillation under certain circumstances.

高压直流输电系统在一定条件下可能引发系统的次同步振荡.

To investigate the subsynchronous oscillation ( SSO) problem of the steam turbine generators near the rectifier station of Guizhou-Guangdong ⅱ± 500 kV DC transmission link, the unit interaction factor ( UIF) analysis and the time domain simulation methods are adopted.

针对贵广二回直流输电系统可能引起整流站附近汽轮发电机组次同步振荡的问题，采用机组作用系数法和时域仿真方法进行了分析。

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。