Equivalent Modeling, Design and Analysis of Integrated Magnetics Ćuk Converter

Anushree Ramanath, Abhijit Kshirsagar, Sreekanth Thamballa, Ned Mohan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations


Harnessing solar energy for residential applications is becoming increasingly popular. Ripple-free terminal currents along with compact design are the most desired features for a photovoltaic interface and Ćuk converter is an ideal candidate due to its wide operating range. Modifying the conventional Ćuk converter by adding coupled inductors and isolation forms the integrated magnetics Ćuk converter. Input inductor, output inductor and transformer windings are wound on a single magnetic structure thus leading to reduction in EMI. The obtained topology is capable of operating as a DC transformer with ripple-free input and output currents and eliminates the need for large output filter capacitor. However, adaption of such a topology is low due to complex design criteria and lack of simple procedure for determining ideal component values that yield 'zero-ripple' terminal currents. This paper provides a novel, descriptive approach with an analytical basis for determining the component values that cater to a wide range of applications for an integrated magnetics Ćuk converter and compares it with the conventional Ćuk converter topology. MATLAB scripts, PLECS and ANSYS Simplorer models are used for validation of the presented analysis.

Original languageEnglish (US)
Title of host publication51st North American Power Symposium, NAPS 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728104072
StatePublished - Oct 2019
Event51st North American Power Symposium, NAPS 2019 - Wichita, United States
Duration: Oct 13 2019Oct 15 2019

Publication series

Name51st North American Power Symposium, NAPS 2019


Conference51st North American Power Symposium, NAPS 2019
Country/TerritoryUnited States


  • ANSYS Simplorer
  • Coupled
  • Electro-Magnetic Interference (EMI)
  • Integrated Magnetics
  • Isolated
  • Photovoltaic (PV)
  • Simulink
  • Zero-Ripple
  • Ćuk converter


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