Voltage Stability Analysis of Front-End Speed Controlled Wind Turbine Integrated into Regional Power Grid Based on Bifurcation Theory

Table 3

The parameter value of each bifurcation point.

Parameter	Bifurcation point
	H1	H2	LP1	LP2
δm	4.586695	4.663054	4.622897	3.372529
ω	0	0	0	0
	−0.136046	−0.186939	−0.570637	−0.467516
	1.153463	1.162657	0.629028	0.392306
Efd	−0.223735	−0.235736	0.02399	0.208029
θ	0.030299	0.087054	0.646247	−0.416301
	1.313229	1.330030	0.961642	0.708759
V	15.267681	18.129817	26.329532	23.031749