Performance Analysis of Grid-Connected Distributed Generation System Integrating a Hybrid Wind-PV Farm Using UPQC

Table 2

Conditions assumed to regulate the flow of real power via the Wind-PV-UPQC.

Operating conditions	RMS values of the currents (A) and voltages (V)
	OPM1	127	127		127	8.02	8.01	8.04		128	128		128	—	—	—
OPM 2	127	127		127	4.34	4.35	4.36		126		126	126	7.18	7.19	7.18
OPM 3	126	116		106	7.18	7.16	7.14		115		116	116	6.39	6.40	6.40
Total harmonic distortion (%)
OPM1	1.8	1.9		1.9	2.5	2.6	2.4	2.4			1.9	1.6	—	—	—
OPM 2	1.7	1.8		1.7	5.5	5.5	4.8	2.5			2.2	1.7	29	29	28
OPM 3	10.6	9.9		9.9	4.5	3.9	3.9	2.2			2.0	1.5	29	28	29
Power factor (PF)
	Utility grid							Load
	Phase “a”		Phase “b”			Phase “c”		Phase “a”				Phase “b”		Phase “c”
OPM1	−0.99		−0.99			−0.99		—				—		—
OPM 2	0.99		0.98			0.98		0.96				0.96		0.96
OPM 3	1.0		0.98			0.99		0.96				0.96		0.96