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Active power filters To reduce or mitigate harmonics, active harmonic filters can be installed. They use a combination of transistors and capacitors that filter current waves. Injecting reverse current to eliminate undesirable harmonic components. You can optimize your power supply by minimizing harmonics. The advantages of active power filters These filters are much more responsible than passive filters There is no resonance issue It can remove any harmonics For voltage regulation It is used to provide reactive power compensation It ensures reliable operation It can also be used to gain passband. No loading problems The input load is not loaded by the active filter with OPAMP It doesn't have any insertion loss It allows for isolated control of input and output impedances Active filters have smaller components than passive filters.
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