ieee 30 bus distribution system
TRANSCRIPT
IEEE 30-bus distribution system with non-linear loads
Sajad Jashfar
Department of Electrical and Computer Engineering, Kerman Graduate University of Technology, Kerman, Iran.
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29
30
31
22
16
17
18
10
11
14
15
13
12
23
24
28
27
26
25
19
20
21
2 3 4
5 6 7 8 9
VFD
ASD 1
ASD 2
6 - pulse 2
6 - pulse 2
6 - pulse 1
6 - pulse 3
C6
C7
C5
C3
C4
C1 C2
Substation
VFD ASD i
6 - pulse i
: six - pulse convertor type i
: Variable frequency drive
: Adjustable speed drive type i
Figure1: IEEE 30-bus distribution system with non-linear AC drives.
Table I: Bus data for the IEEE 30-bus distribution system (23 kV)
Bus number P (MW) Q (MVar)
1 0 0
2 0.522 0.174
3 0 0
4 0 0
5 0.936 0.312
6 0 0
7 0 0
8 0 0
9 0 0
10 0.189 0.063
11 0 0
12 0.336 0.112
13 0.657 0.219
14 0.783 0.261
15 0.729 0.243
16 0.477 0.159
17 0.549 0.183
18 0.477 0.159
19 0.432 0.144
20 0.672 0.224
21 0.495 0.165
22 0.207 0.069
23 0.522 0.174
24 1.917 0.639
25 0 0
26 1.116 0.372
27 0.549 0.183
28 0.792 0.264
29 0.882 0.294
30 0 0
31 0.884 0.294
Table II: Line data for the IEEE 30-busdistributionsystem (23 kV)
From bus To bus R (ohm) X (ohm)
2 3 0.2788 0.0148
2 29 0.2788 0.0148
3 4 0.4438 0.4391
4 5 0.8639 0.7512
4 23 0.4438 0.4391
5 6 0.8639 0.7512
6 7 1.3738 0.7739
7 8 1.3738 0.7739
7 19 0.8639 0.7512
7 22 0.8639 0.7512
8 9 1.3738 0.7739
9 10 1.3738 0.7739
9 16 0.8639 0.7512
10 11 1.3738 0.7739
11 12 1.3738 0.7739
12 13 1.3738 0.7739
13 14 1.3738 0.7739
14 15 1.3738 0.7739
16 17 1.3738 0.7739
17 18 1.3738 0.7739
19 20 0.8639 0.7512
20 21 1.3738 0.7739
23 24 0.4438 0.4391
24 25 0.8639 0.7512
25 26 0.8639 0.7512
26 27 0.8639 0.7512
27 28 1.3738 0.7739
29 30 0.2788 0.0148
30 31 1.3738 0.7739
Table III: Harmonic spectrums of the non-linear loads (23 kV)
Harmonic order Magnitude, % Phase, deg Magnitude, % Phase, deg Magnitude, % Phase, deg
Six-pulse type 1 Six-pulse type 2 PWM-ASD 1
1 100 0 100 0 100 0
5 20 0 19.1 0 2 0
7 14.3 0 13.1 0 1.2 0
11 9.1 0 7.2 0 5.5 0
13 7.7 0 5.6 0 3.7 0
17 5.9 0 3.3 0 0.2 0
19 5.3 0 2.4 0 0 0
23 4.3 0 1.2 0 0.2 0
25 4 0 0.8 0 0.4 0
29 3.4 0 0.2 0 0 0
31 3.2 0 0.2 0 0 0
Six-pulse type 3 PWM-ASD 2 Six-pulse VFD
1 100 0 100 0 100 0
5 42 0 82.8 -135 23.52 111
7 14.3 0 77.5 69 6.08 109
11 7.9 0 46.3 -62 4.57 -158
13 3.2 0 41.2 139 4.2 -178
17 3.7 0 14.2 9 1.8 -94
19 2.3 0 9.7 -155 1.37 -92
23 2.3 0 1.5 -158 0.75 -70
25 1.4 0 2.5 98 0.56 -70
29 0 0 0 0 0.49 -20
31 0 0 0 0 0.54 7
Table IV: Capacitor data for the 30-bus distribution system (23 kV)
Capacitor C1 C2 C3 C4 C5 C6 C7
bus location 2 2 14 16 20 24 26
kVar 900 600 600 600 300 900 900
Table V: Non-linear load data for the 30-busdistribution system (23 kV)
Non-linear Non-linear load type kW kVar
bus number pulse-width modulation (PWM)
6 adjustable speed drive type 2 575 326
8 six-pulse type 2 436 231
8 PWM adjustable speed drive type 1 247 158
12 six-pulse type 1 347 176
21 six-pulse type 3 315 156
25 six-pulse variable frequency drive 454 229
30 six-pulse type 2 527 242
Table V: Transformer data for the 30-busdistribution system (23 kV)
HV- Side 69 KV
LV- Side 23 KV
Rated Power 52.9 MVA
Short Circuit Voltage Uk 0.35 %
Ratio X/R 19.5 p.u.
Frequency 50 Hz
References
[1] A. Ulinuha, M.A.S. Masoum, S. Islam,"Hybrid genetic-fuzzy algorithm for volt/var/total harmonic distortion
control of distribution systems with high penetration of non-linear loads",IET Generation, Transmission and
Distribution, 2011, Vol. 5, Iss. 4, pp. 425–439.
[2] Ewald F. Fuchs, Mohammad A. S. Masoum, "Power Quality in Power Systems and Electrical Machines", 2008,
Elsevier, ISBN: 978-0-12-369536-9.
[3] Grainger, J.J., Civanlar, S.: ‘Volt/Var control on distribution systems with lateral branches using shunt
capacitors and voltage regulators. Part III: the numerical result’, IEEE Trans. Power Appar. Syst., 1985, 104,
(11), pp. 3291–3297
[4] Hu, Z., Wang, X., Chen, H., Taylor, G.A.: ‘Volt/Var control in distribution systems using a time-interval-based
approach’, IEE Proc. Gener. Transm. Distrib., 2003, 150, (5), pp. 548–554