Builing a Shunt active power filter in the synchronous reference frame
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This schema representing a shunt active power filter in the synchronous reference frame, I'm focusing on the Area in the red box !
I want to learn how to build my own shunt active power filter in the synchronous reference frame from scratch, i understood pretty much the method behind it, but i am stack within Simulink, i followed the steps of the Algorithm one by one :
- Get the load's current (scope : I_Load)
- Clark Tranforation (scope : ab_Frame)
- PLL Gives the SinW/CosW (scope : PLL)
- Park transformation (scope : dq_Frame)
- Extraction of the Harmonics currents (i*d & i*q)
- Back from dq_Frame to ab_Frame (Park Inv)
- Back from ab_Frame to abc_Frame (Clark Inv)
My Simulink Model :
I'm stack at step 5 (The blue box) Now that i have I_load in the dq frame,
How can i extract the compensation current i*d and i*q from iq_Load and id_Load ?
what is the simplest way to do that ? (in the schema up, they use an FTJ (the Orange box), what is that ? some also put LPF ( at 2*pi*50) why ?) .
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SCOPE OF THE CURRENT I_Load :
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Answers (1)
abdelkader yousfi
on 21 Jul 2016
thank you I need MATLAB file about you "Builing a Shunt active power filter in the synchronous reference frame"
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