sir
when using the scaleload function,when run the opf its showing the error
attached below.what is the problem,how can i rectify it.
mpc=loadcase('case14o');
>> for t=1:2
mpc(t)=mpc;
mpc(t).bus = scale_load(0.5, mpc(t).bus);
results(t) = runopf(mpc(t));
end
MATPOWER Version 5.1, 20-Mar-2015 -- AC Optimal Power Flow
MATLAB Interior Point Solver -- MIPS, Version 1.2, 20-Mar-2015
(using built-in linear solver)
Converged!
Converged in 0.09 seconds
Objective Function Value = 3306.85 $/hr
================================================================================
| System Summary |
================================================================================
How many? How much? P (MW) Q (MVAr)
--------------------- ------------------- ------------- -----------------
Buses 14 Total Gen Capacity 772.4 -52.0 to 148.0
Generators 5 On-line Capacity 772.4 -52.0 to 148.0
Committed Gens 5 Generation (actual) 132.9 5.2
Loads 11 Load 129.5 36.8
Fixed 11 Fixed 129.5 36.8
Dispatchable 0 Dispatchable -0.0 of -0.0 -0.0
Shunts 1 Shunt (inj) -0.0 21.3
Branches 20 Losses (I^2 * Z) 3.35 14.07
Transformers 3 Branch Charging (inj) - 24.3
Inter-ties 0 Total Inter-tie Flow 0.0 0.0
Areas 1
Minimum Maximum
------------------------- --------------------------------
Voltage Magnitude 1.018 p.u. @ bus 3 1.060 p.u. @ bus 9
Voltage Angle -9.03 deg @ bus 14 0.00 deg @ bus 1
P Losses (I^2*R) - 0.99 MW @ line 1-2
Q Losses (I^2*X) - 3.03 MVAr @ line 1-2
Lambda P 29.65 $/MWh @ bus 1 32.32 $/MWh @ bus 14
Lambda Q -0.30 $/MWh @ bus 9 0.49 $/MWh @ bus 14
================================================================================
| Bus Data |
================================================================================
Bus Voltage Generation Load Lambda($/MVA-hr)
# Mag(pu) Ang(deg) P (MW) Q (MVAr) P (MW) Q (MVAr) P Q
----- ------- -------- -------- -------- -------- -------- ------- -------
1 1.052 0.000* 112.11 2.44 - - 29.648 -
2 1.038 -2.321 20.79 5.54 10.85 6.35 30.393 -
3 1.018 -6.100 0.00 7.91 47.15 9.50 31.515 -
4 1.023 -4.914 - - 23.90 -1.95 31.142 -0.025
5 1.023 -4.187 - - 3.80 0.80 30.934 0.065
6 1.058 -7.189 0.00 -4.73 5.60 3.75 31.030 -0.001
7 1.051 -6.293 - - - - 31.085 -0.209
8 1.041 -6.293 0.00 -6.00 - - 31.085 -0.213
9 1.060 -7.008 - - 14.75 8.30 31.052 -0.300
10 1.056 -7.185 - - 4.50 2.90 31.124 -0.199
11 1.055 -7.254 - - 1.75 0.90 31.119 -0.080
12 1.049 -7.743 - - 3.05 0.80 31.333 0.106
13 1.044 -7.862 - - 6.75 2.90 31.529 0.202
14 1.022 -9.025 - - 7.45 2.50 32.319 0.485
-------- -------- -------- --------
Total: 132.90 5.15 129.55 36.75
================================================================================
| Branch Data |
================================================================================
Brnch From To From Bus Injection To Bus Injection Loss (I^2 * Z)
# Bus Bus P (MW) Q (MVAr) P (MW) Q (MVAr) P (MW) Q (MVAr)
----- ----- ----- -------- -------- -------- -------- -------- --------
1 1 2 75.34 -1.19 -74.35 -1.55 0.994 3.03
2 1 5 36.77 3.62 -36.09 -6.12 0.679 2.80
3 2 3 35.95 0.81 -35.38 -3.05 0.568 2.39
4 2 4 27.51 -1.03 -27.10 -1.34 0.408 1.24
5 2 5 20.82 0.96 -20.59 -3.92 0.233 0.71
6 3 4 -11.77 1.46 11.86 -2.56 0.092 0.24
7 4 5 -28.64 9.00 28.76 -8.64 0.115 0.36
8 4 7 12.64 -2.40 -12.64 2.72 0.000 0.32
9 4 9 7.35 -0.75 -7.35 1.02 -0.000 0.27
10 5 6 24.12 17.87 -24.12 -15.99 0.000 1.89
11 6 11 1.02 0.82 -1.02 -0.81 0.001 0.00
12 6 12 4.90 1.48 -4.87 -1.42 0.029 0.06
13 6 13 12.60 5.21 -12.49 -5.00 0.110 0.22
14 7 8 -0.00 6.06 0.00 -6.00 0.000 0.06
15 7 9 12.64 -8.77 -12.64 9.01 -0.000 0.24
16 9 10 5.24 3.02 -5.23 -2.99 0.010 0.03
17 9 14 0.00 0.00 0.00 0.00 0.000 0.00
18 10 11 0.73 0.09 -0.73 -0.09 0.000 0.00
19 12 13 1.82 0.62 -1.81 -0.61 0.007 0.01
20 13 14 7.55 2.71 -7.45 -2.50 0.101 0.21
-------- --------
Total: 3.349 14.07
================================================================================
| Voltage Constraints |
================================================================================
Bus # Vmin mu Vmin |V| Vmax Vmax mu
----- -------- ----- ----- ----- --------
9 - 0.940 1.060 1.060 178.709
================================================================================
| Generation Constraints |
================================================================================
Gen Bus Active Power Limits
# # Pmin mu Pmin Pg Pmax Pmax mu
---- ----- ------- -------- -------- -------- -------
3 3 8.485 0.00 0.00 100.00 -
4 6 8.970 0.00 0.00 100.00 -
5 8 8.915 0.00 0.00 100.00 -
Gen Bus Reactive Power Limits
# # Qmin mu Qmin Qg Qmax Qmax mu
---- ----- ------- -------- -------- -------- -------
5 8 0.213 -6.00 -6.00 24.00 -
Subscripted assignment between dissimilar structures.
