per-unit synchronous reactance

例句：

1. 1. The power system needs to be designedwith a high degree of per-unitsynchronous reactance to ensure stability.
   为了确保系统的稳定性，需要设计具有高程度的单位同步电抗。
2. 2. The designof the transmission line is crucial for minimizing per-unit synchronous reactance and improving efficiency.
   传输线路的设计对于减少单位同步电抗和提高效率至关重要。
3. 3. The optimization of the control system caneffectively reduce per-unit synchronous reactance, which in turn improves theoverall performance of the power system.
   优化控制系统可以有效地减少单位同步电抗，从而提高电力系统的整体性能。