The Improved Unified Power Quality Conditioner with the Modular Multilevel Converter for Power Quality Improvement

Table 3

% THD of the proposed system with the harmonic order.

Order of harmonics	% THD only with nonlinear load (without filter)	% THD with linear and nonlinear load	% THD only with nonlinear load (with filter)
1	100	100	100
3	0	2.40	0
5	14.54	3.39	1.83
7	6.86	1.45	0.94
11	2.38	0.58	0.64
13	1.62	0.43	0.44
17	0.61	0.22	0.40
19	0.74	0.16	0.15