Ripple current cancellation circuit

  title={Ripple current cancellation circuit},
  author={M. Schutten and R. Steigerwald and J. Sabate},
  journal={Eighteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2003. APEC '03.},
  pages={464-470 vol.1}
A ripple current cancellation technique injects AC current into the output voltage bus of a converter that is equal and opposite to the normal converter ripple current. The output current ripple is ideally zero, leading to ultra-low noise converter output voltages. The circuit requires few additional components, no active circuits are required. Only an additional filter inductor winding, an auxiliary inductor, and small capacitor are required. The circuit utilizes leakage inductance of the… Expand
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