Protection and Control of Modern Power Systems

Table 1 Electromechanical modes

From: Effective damping of local low frequency oscillations in power systems integrated with bulk PV generation

Case	Electromechanical modes	Status
CFV	\(- 0.0003 \pm j8.6441\)	Stable
	\(\omega_{d} = 1.3758 Hz\)
	\(\zeta = 3.4706 \times 10^{ - 5}\)
AVR with deactivated PSS	\(+ 0.189 \pm j8.632\)	Unstable
	\(\omega_{d} = 1.373Hz\)
	\(\zeta = -\) 0.0219

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