Adaptive Parameter Estimation for Static Var Generators Based on Wind Speed Fluctuation of Wind Farms

Table 4

Estimated parameters when the observed quantity is active power (P) or reactive power (Q).

Estimated parameter	Real value	Observed quantity, P		Observed quantity, Q
		Estimated value	Error (%)	Estimated value	Error (%)
Kdp	0.1E − 3	9.68E − 5	3.200	9.74E − 5	2.600
Kdi	0.02	0.0211	5.500	0.01938	3.100
Kqp	5	4.8132	3.376	4.7992	4.016
Kqi	1000	999.101	0.089	988.217	1.178
KPI	0.3	0.30127	0.420	0.2932	2.260
KII	10	9.5521	4.479	10.149	1.490
L	0.22	0.19789	10.05	0.2413	9.682