The PSSs in power system should be coordinated properly in order to borrow reasonable damping for electromechanical mode from non-electromechanical mode.

• 所以,PSS在系统中要合理地配置和恰当地选择参数,以使系统机电振荡模式能够从非机电模式那里“借”来足够而合理的阻尼。