Research Paper | Electrical Engineering | India | Volume 5 Issue 1, January 2016
The Derivative of a Switched Coupled Inductor DC?DC Step-Up Converter by Using a Voltage Lift Network with Closed Loop Control for Micro Source Applications
Sangeetha K  | Akhil A. Balakrishnan
Abstract: The derivative of a switched coupled inductor DC-DC step-up converter by using voltage lift network for micro source application is handling in this paper. High voltage gain is obtained by employing a switched coupled inductor and a switched capacitor in to one converter. The coupled inductor charges the capacitor, the voltage gain can be effectively increased, and the turns ratio of the coupled inductor can be also reduced. The output and the voltage conversion ratio of this converter can be enlarged by adding a voltage lift network. A module with capacitor and diode will form the voltage lift network. In this derivative circuit, capacitors are charged in parallel during the switch-on period and are discharged in series during the switch-off period. Beside from high voltage gain, lower conduction loss and higher power conversion efficiency is also offered as compared to conventional dc-dc converter. The steady state analysis and operating principles in continuous conduction mode are discussed. To study the performance of the switched coupled inductor high step up DC-DC converter with voltage lift network, simulations has been carried out in MATLAB 2013 environment. The derivative circuit design and its implementation with closed loop control are given with operational results. The simulation results are tested for an input voltage of 20V. The input voltage is stepped up to output voltage of 220V, while by adding voltage lift network output voltage is lifted to 325V, which can be used for various applications.
Keywords: coupled inductor, high step-up converter, switched capacitor, voltage lift network
Edition: Volume 5 Issue 1, January 2016,
Pages: 1121 - 1127
How to Cite this Article?
Sangeetha K, Akhil A. Balakrishnan, "The Derivative of a Switched Coupled Inductor DC?DC Step-Up Converter by Using a Voltage Lift Network with Closed Loop Control for Micro Source Applications", International Journal of Science and Research (IJSR), Volume 5 Issue 1, January 2016, pp. 1121-1127, https://www.ijsr.net/get_abstract.php?paper_id=NOV152989
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