Analytical Assessment of DC Components Generated by Renewable Energy Resources with Inverter-Based Interconnection System due to Even Harmonics

Table 3

Approximate relation for the maximum DC component versus the harmonic percentage.

Harmonic order	𝐹nc	Maximum DC component on voltages; 𝑉^𝐴𝑂(𝑡), 𝑉^𝐵𝑂(𝑡), and 𝑉^𝐶𝑂(𝑡)	Maximum DC component on voltages; 𝑉^𝐴𝐵(𝑡), 𝑉^𝐵𝐶(𝑡), and 𝑉^𝐶𝐴(𝑡)
2nd	9–159	≅ 0.01⋅𝐴ℎ	≅ 0.035⋅𝐴ℎ
4th	9–159	≅ 0.008⋅𝐴ℎ	≅ 0.03⋅𝐴ℎ
6th	9–159	≅ 0.007⋅𝐴ℎ	≅ 0.03⋅𝐴ℎ
8th	15–159	≅ 0.006⋅𝐴ℎ	≅ 0.02⋅𝐴ℎ
10th	15–159	≅ 0.005⋅𝐴ℎ	≅ 0.02⋅𝐴ℎ
8th or 10th	9	≅ 0.09⋅𝐴ℎ	≅ 0.42⋅𝐴ℎ