APPENDIX B

NINE-BUS POWERSYSTEM CASE STUDY

TABLE B.1. Branch Data

From Bus To Bus R, pu X, pu B, pu Limit, MW

1 4 0 0.0576 0 2004 5 0.017 0.092 0.158 2005 6 0.039 0.17 0.358 1003 6 0 0.0586 0 2506 7 0.0119 0.1008 0.209 1007 8 0.0085 0.072 0.149 2008 2 0 0.0625 0 2008 9 0.032 0.161 0.306 2009 4 0.01 0.085 0.176 200

Power System Monitoring and Control, First Edition. Hassan Bevrani, Masayuki Watanabe,and Yasunori Mitani. 2014 John Wiley & Sons, Inc. Published 2014 by John Wiley & Sons, Inc.

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TABLE B.4. Exciter Data

Low Pass Filter Regulator Exciter Output Limits

Generator Tr Ka Ta Ke Te Efmin Efmax

G1 20e�3 200 0.001 1 0 0 7G2 20e�3 200 0.001 1 0 0 12.3G3 20e�3 200 0.001 1 0 0 12.3

TABLE B.2. Generator Data

Generator G1 G2 G3

Nominal power (MVA) 128 247.5 192Type Hydro Steam SteamSpeed (rpm) 180 3600 3600VL–L (KV) 16.5 18.3 13.8Xd 0.146 0.8958 1.3125X0d 0.0608 0.1198 0.1813

X00d

0.205 0.155 0.22Xq 0.0969 0.8645 1.2578X0q

0.0969 0.1969 0.25

X00q

0.221 0.143 0.292

XL 0.0336 0.0521 0.0742T 0d 8.96 6 5.89

T 00d

0.02 0.02 0.02

T 0qo 0.00002 0.535 0.6

T 00q0 0.02 0.02 0.02

RS 2.8544e-3 2.8544e-3 2.8544e-3H (on 100MW) 23.64 3.01 6.4

Reactance values are in pu on 100MVA base, and all generators are equipped with a governor and PSS.

TABLE B.3. Load Data

Load Load A Load B Load C

Bus No. 9 5 7Active power (MW) 125 90 100Reactive power (MVAR) 50 30 35Number of blocks 6 4 5

APPENDIX B : N INE-BUS POWER SYSTEM CASE STUDY 255