# How do I develop a standard 5 Bus System Load Flow in Simulink with the given data?

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Shubhranshu Tiwary on 16 Feb 2017
Commented: Janice Tiong on 15 Dec 2017
Standard 5 Bus System
Bus Data:
(MW) (MVAR) (MW) (MVAR)
1 1.06 0.00 0 0 0 0 ;
2 1.00 0.00 40 30 20 10 ;
3 1.00 0.00 00 0 45 15 ;
4 1.00 0.00 00 0 40 5 ;
5 1.00 0.00 00 0 60 10;
Line Data:
%----------------r-------x------------b-------Transformation Ratio-----
line = 1 2 0.02 0.06 0.03 1.0;
1 3 0.08 0.24 0.025 1.0;
2 3 0.06 0.18 0.02 1.0;
2 4 0.06 0.18 0.02 1.0;
2 5 0.04 0.12 0.015 1.0;
3 4 0.01 0.03 0.01 1.0;
4 5 0.08 0.24 0.025 1.0;
Line Power Flow Limits:
Line 1 = 175;
Line 2 = 79.87;
Line 3 = 82.5;
Line 4 = 82.5;
Line 5 = 87.5;
Line 6 = 142.88;
Line 7 = 79.87;
I have developed a Fast-Decoupled Load Flow program using the above model and data. To proceed with my work further, I want to develop a Simulink model of the Standard 5 Bus system. I am attaching the diagram for the same. After that I want to use a trained Neural Network to determine state of the system by reading Voltage magnitudes or MW power flow on the lines.
I have tried developing a single phase system for the above model, but I think its faulty. I am not properly acquainted with Simulink. Please help.

Janice Tiong on 15 Dec 2017
I need help for this too.Did you solve the problem ?

Shubhranshu Tiwary on 15 Dec 2017
I developed the 3-phase model long back. Using PSAT you can also develop Single phase models to get accurate results of load flow methods. But I still can't get good results on 3-phase models with load flow.
Janice Tiong on 15 Dec 2017
I have problem with coding too. (Command:Unbalanced or unexpected parenthesis or bracket.)

Nakul on 30 May 2017
Perform load flow and obtain the bus voltage and angles. Now use three phase voltage source and transmission line with correct data obtained from load flow. If you are interested in steady state result you can use phasor model.