+4 votes
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I am working on a project for three phase STATCOM. There are 3 PI controllers used. I need to find the values of kp and  ki of these controllers. So how can I actually find the values?  If I need to find the transfer fucntion, then how to model my block? Can anyone help?

Thank you!

asked Apr 30, 2018 in Electrical by RockShyak
edited Apr 30, 2018 by slow_learner | 226 views
This might be helpful :
 (1) A typical PID tuning procedure: (1) Use relay control to estimate the motor model; (2) Use Z-N formula to initialize Kp and Ki; (3) Use trial and error to adjust Kp and Ki or other method such as iterative feedback tuning (IFT), internal model control (IMC), etc.

more read at:
https://www.researchgate.net/post/How_to_calculate_Kp_and_Ki_values10

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