Power Quality Monitoring Analysis and Enhancement Part 1 potx

... Preface IX Part 1 Power Quality Monitoring, Classification, Measurements, and Analysis 1 Chapter 1 Power Quality Monitoring 3 Kazem Mazlumi Chapter 2 Wavelet and PCA to Power Quality Disturbance ... , B2A 1 pref , 1 A pref , CA 1 pref , 1 j3 2 j3 2 kf k f kf k kf ff f kf k kf ff vv v vav Z Z v vav Z Z = =+ =− (19 ) Power Quality – Monitorin...

Ngày tải lên: 19/06/2014, 11:20

... to a fault at bus 34. 1, 2 1, 34 1, 41 2,2 34,34 41, 41 2 ,1 2,34 2, 41 1 ,1 34,34 41, 41 34 ,1 34,2 34, 41 1 ,1 2,2 41, 41 41, 1 41, 2 41, 34 1, 1 2,2 34,34 01 1 1 1 01 1 11 0 1 11 1 0 dfv zz z zz z zzz zzz V zz ... disturbance and detail coefficients d1, d3 and d5, respectively. 0 0.05 0 .1 0 .15 0.2 0.25 -1 0 1 V(pu) 0 0.05 0 .1 0 .15 0.2 0.25 -1 0...

Ngày tải lên: 19/06/2014, 11:20

... Quality in Unbalanced Electrical Network 3 01 0 5 10 15 20 0.9 0.95 1 1.05 1. 1 Step Voltage a,b,c 0 5 10 15 20 0.9 0.92 0.94 0.96 0.98 1 0 5 10 15 20 0.92 0.94 0.96 0.98 1 1.02 1. 04 0 5 10 ... compensation–unbalance at bus 30 Power Quality – Monitoring, Analysis and Enhancement 306 important power quality problems in the power distribution syst...

Ngày tải lên: 19/06/2014, 11:20

... also known as shift power factor is: 1 11 1 cos P PF S φ == (64) The total power factor is given by the following expression: () 1 1 11 1 1 22 22 11 1 *1 1 * () 1* 1 HH H N VV PP P PF SP ... − = =−+−  (11 2) Power Quality – Monitoring, Analysis and Enhancement 44 Where the fundamental and harmonic components are respectivelly: 11 11 1 cos h PVI φ...

Ngày tải lên: 19/06/2014, 11:20

... 50.5 8 10 01 1002 10 03 10 04 2 01 1006 10 07 10 08 10 09 202 25 312 5 312 5 312 5 312 5 625 312 5 312 5 312 5 312 5 625 Table 2, cont. For some line frequencies the values of N and M computed from (1) are ... 2 10 01 5 01 1003 2 51 2 01 503 10 07 252 10 09 10 1 5 2500 12 50 2500 625 500 12 50 2500 625 2500 250 Table 1, cont. f line 49.5 49.55 49.6 49.65 49.7 4...

Ngày tải lên: 19/06/2014, 11:20

... Vol. 14 , No. 4, (19 99), pp. 14 11 14 16. Hooshmand, R.; Enshaee, A.; (2 010 ) Detection and classification of single and combined power quality disturbances using fuzzy systems oriented by particle ... Processing and Applications (PCSPA), Issue Date: 17 -19 Sept. 2 010 . IEEE 11 59: 19 95, Recommended practice for monitoring electric power quality, 19 95. Jayasree,...

Ngày tải lên: 19/06/2014, 11:20

... Tools and Intelligent Systems Applied to Power Quality Analysis 12 9 Fig. 7. Distribution Power System Simulated 0.07 0.08 0.09 0 .1 0 .11 0 .12 0 .13 0 .14 0 .15 0 .16 -1 -0.5 0 0.5 1 x 10 4 Time ... rate, Er1 and Er2 are the errors between V1 and V2 and respectively Ve and Er1/Er2 is the last column of Table 2. Power Quality – Monitoring, Analysi...

Ngày tải lên: 19/06/2014, 11:20

... 2.75/2.7 41/ 41 1. 5 /1. 5 26/26 2.75/2.5 16 1/74 1. 5 /1. 3 14 6/33 2.75/5 2 81/ -12 3 1. 5/2.7 266/ -15 0.7 7 1/ 1 -25/-25 2.3/2.3 -15 / -15 1/ 1.2 -14 5/ -15 2.3 /1. 6 -13 5/-22 1/ 2.2 -265/ -16 0 2.3/3.9 ... V 13 2 .1 o 208.59 V 14 4 o Test 3 Test 4 Amplitude Angle Amplitude Angle v a 19 7.57 V 0 o 19 7.57 V 0 o v b 17 1.34 V -12 5. 21 o 17 1...

Ngày tải lên: 19/06/2014, 11:20

... 0 0 ,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 1 ,1 0 2 4 6 8 10 1 214 16 18 2022 I [p.u] |Ucosθ2| [p.u ] 0 0 ,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1 1 ,1 0,8 0,9 1 1, 1 1,2 1, 3 1, 4 I [p.u] |Ucosθ2| [p.u ] (b) Fig. 17 . Example results ... 0,0E+00 1, 0E-05 2,0E-05 3,0E-05 4,0E-05 5,0E-05 6,0E-05 7,0E-05 8,0E-05 12 345678 910 111 213 1 415 θ h Harmonic source at the cust...

Ngày tải lên: 19/06/2014, 11:20

... 10 5 I 10 5 1 2 I s 10 5 I 10 5 1 2 I s 10 0 50 U 1 1 2 5025 0 U 1s 10 0 50 U 1 1 2 5025 0 U 1s 10 0 U 10 0 50 U P 1 = 397.8 P 2 = 29.0 P s = 3(P 1s +P 2s ) =12 80.4 ... a power system side and R n , X n – load side. Measured current 10 5 I 10 5 1 I s 10 5 I 10 5 1 2 I s Measured voltage 10 0 50 U 1 50 25 1...

Ngày tải lên: 19/06/2014, 11:20