19 December, 2011

Load flow Solution of IEEE-5 Bus by NR method

IEEE-5 Bus

NUMBER OF LINES                               =          7
NUMBER OF BUSES                              =          5
NUMBER OF GENERATOR BUSES     =          0
TOLERANCE VALUE                             =          0.0001

            In all these BUS DATA’s type-3 indicates slack bus, type-2 indicates PQ / load bus, type-1 indicates PV / generator bus.  

                                                                       LINE DATA

SB
EB
R (p.u)
X (p.u)
Ys
Tap
1
2
0.02
0.06
0.03
1
1
3
0.08
0.24
0.025
1
2
3
0.06
0.18
0.02
1
2
4
0.06
0.18
0.02
1
2
5
0.04
0.12
0.015
1
3
4
0.01
0.03
0.01
1
4
5
0.08
0.24
0.025
1


                                                                      BUS DATA

Bus
No.
Type
Generation
Load
Voltage
Q min.
Q max.
V min.
V max.
Real
Reactive
Real
Reactive
1
3
0
0
0
0
1.06
0
0
0.95
1.1
2
2
0.4
0.3
0.2
0.1
1
-0.4
0.5
0.95
1.1
3
2
0
0
0.45
0.15
1
-0.06
0.24
0.95
1.1
4
2
0
0
0.4
0.05
1
0
0.4
0.95
1.1
5
2
0
0
0.6
0.1
1
-0.06
0.24
0.95
1.1

                                                       POWER FLOW SOLUTION

B.No

Type
Generation
Load demand
Bus voltages Solved
Real
React
Real
React
Volt Mag
Ang (Deg)
1
3
1.2959
-0.0742
0
0
1.06
0
2
2
0.4
0.3
0.2
0.1
1.0474
-2.8063
3
2
0
0
0.45
0.15
1.0242
-4.997
4
2
0
0
0.4
0.05
1.0236
-5.3291
5
2
0
0
0.6
0.1
1.0179
-6.1503

                                                              LINE  FLOWS

1
2
0.8886
-0.0858
0.014104
-0.02431
2
1
-0.8745
0.0615
1
3
0.4072
0.0116
0.01192
-0.01855
3
1
-0.3953
-0.0301
2
3
0.2469
0.0355
0.003515
-0.03238
3
2
-0.2434
-0.0678
2
4
0.2794
0.0296
0.004413
-0.02966
4
2
-0.2749
-0.0593
2
5
0.5482
0.0734
0.011252
0.001758
5
2
-0.537
-0.0717
3
4
0.1887
-0.052
0.000356
-0.0199
4
3
-0.1884
0.0321
4
5
0.0633
-0.0228
0.000307
-0.05118
5
4
-0.063
-0.0283


Total loss from line flows          =          0.04586822 -j 0.17421143
Total shunt loss                         =          0.00000000 -j 0.00000000
Slack bus power                        =          1.29587 -j 0.07421
Total Generation                       =          1.69587 +j 0.22579
Total Load                                =          1.6500  + 0.4000
System loss                               =          0.04587 -j 0.17421

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