Problem displying voltage/current when using Phasor type, /FFT problem
3 views (last 30 days)
Show older comments
Hello, I'm modeling a wind farm connected to an electrical grid and have to analyse power quality problems caused by the wind farm. When starting my model i made partial use of the example that was given with the block (Wind farm with a DFIG, or however it is called). Since I used this block I am forces to use the powergui in Phasor Type mode and i have no experience with that.
Now here is my question.
Is it possible display voltage/current measurement onto a scope so that it looks sinusoidal/harmonic, or is it in Phasor type only possible to display magnitude and phase. I tried to use the sequence analyser to break the voltage (lets say Vabc) into magnitude and phase, and using math operation blocks make v(t)=sqrt2*mag*sin(phase*t+fi) to get something with a harmonic look (I took the time out of a clock). The problem is the sine that i get is nowhere near the frequency i should get (60 Hz). I want to get the signal to use the powergui FFT to make a harmonical analysis, compute THD, ect.
If anybody with experience using phasor type in matlab could help I would be very thankful.
0 Comments
Answers (0)
See Also
Categories
Find more on Spectral Measurements in Help Center and File Exchange
Products
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!