Power Quality and Performance Analysis of Grid-Connected Solar PV System Based on Recent Grid Integration Requirements

Table 3

Current distortion limits for system rated 120 V to 69 kV.

Maximum harmonic current distortion in percent of
Individual harmonic order (odd harmonics)
						TDD
<20	4.0	2.0	1.5	0.6	0.3	5.0
	7.0	3.5	2.5	1.0	0.5	8.0
	10.0	4.5	4.0	1.5	0.7	12.0
	12.0	5.5	5.0	2.0	1.0	15.0
>1000	15.0	7.0	6.0	2.5	1.4	20.0

 = maximum short-circuit current at PCC;  = maximum demand load current (fundamental frequency component).