... of a 23 0 kV real case study Power Quality – Monitoring, Analysis and Enhancement 34 C1 C 2 C3 C4 C5 C6 C7 (%) Sinusoidal 25 0 0 0 0 0 0 100 Transient 2 23 0 0 0 0 0 92 Flicker ... level (d2), and third decomposed level (d3) 0 0.05 0.1 0.15 0 .2 0 .25 -101V(pu)0 0.05 0.1 0.15 0 .2 0 .25 -0. 02 00. 02 d10 0.05 0.1 0.15 0 .2 0 .25 -0.100.1d30 0.05 0.1 0.15 0 .2 0 .25 -0.500.5Time ... the system due to a fault at bus 34. 1 ,2 1,34 1,41 2, 2 34,34 41,41 2, 1 2, 34 2, 411,1 34,34 41,4134,1 34 ,2 34,411,1 2, 2 41,4141,1 41 ,2 41,341,1 2, 2 34,3401 1 1101 111 0 111 1 0dfvzz...