Dear Colleagues,
I want to ask about the different functions of the coupling inductor in the shunt active filters beside the suppression of high frequency harmonics.
I am grateful in advance.
The role of coupling inductor is to reduce the source current ripple but you have to select the value correctly.ie if you choose higher value means the current starts lag the voltage. and also the coupling capacitor is to maintain the constant voltage across the inverter.
The coupling inductor in a shunt active power filter is a key component that performs several important functions.
In summary, the coupling inductor plays a crucial role in the shunt active power filter by providing electrical isolation, transfer of harmonic currents, passive filtering, and smooth DC link voltage.
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