The problem of IEEE 14 bus in power generation system. to show frequency as a graph.

Good day, Sir!

I would like to simulate power generation issues related to 'IEEE 14 Bus'.

So, I down loaded a file that modeled IEEE 14 bus by Simulink from a website.

But, the problem is this model doesn't show the frequency data as a graph but voltages.

The main objective is controlling each generator by observing the frequency of each generator.

If you have any idea to change this model to observe or showing frequency, Please let me know.

The modeling file is attached, I download this file from a website.

Thank you. sir!

* I am the Newbie of Simulink. so... plz let me know as easily as possible.

Answer 1

[Joel Van Sickel]

Hello Sangho,

If you want to view the frequency in the simulation, you can use the PLL block to measure frequency. However, a word of warning that this will slow the simulaiton down due to the extra computation required, especially if use multiple of them. Please see: https://www.mathworks.com/help/physmod/sps/powersys/ref/pll3ph.html

You could also use this example: https://www.mathworks.com/help/physmod/sps/examples/fft-analysis-during-simulation.html

You can also analyze frequency content through post processing. Matlab has an fft command you can use to look at the frequency content of signals. https://www.mathworks.com/help/matlab/ref/fft.html Or you can use the powergui block to look at the frequency graph: https://www.mathworks.com/help/physmod/sps/powersys/ref/powergui.html

As you are new to Simulink and Matlab, it may be useful to go through these onramp courses to get a better foundation as frequency analysis of a power system is more advanced.

Matlab: https://www.mathworks.com/learn/tutorials/matlab-onramp.html

Simulink: https://www.mathworks.com/learn/tutorials/simulink-onramp.html

Regards,

Joel

[Sangho Park]

Thank you, sir!

It will be definitely helpful to me.

Have a good day, sir!