کنفرانس مهندسی برق ایران

صفحه اصلی / سی و سومین کنفرانس بین المللی مهندسی برق

A Non-Isolated Common Ground Dual-Input DC-DC Converter with a High Voltage Gain for Photovoltaic Power Generation Systems

نویسندگان :

Hamed Abdi¹ Naghi Rostami² Ebrahim Babaei³

1- دانشگاه تبریز 2- دانشگاه تبریز 3- دانشگاه تبریز

کلمات کلیدی :

PV systems،dual-input DC-DC converters،common ground،high step-up DC-DC converters

چکیده :

In this paper, a new dual-input DC-DC converter is proposed for application in photovoltaic (PV) systems. The proposed converter design uses an improved switched capacitor (SC) cell and a three-winding coupled inductor (3WCI). The proposed converter is suitable for the mentioned application, particularly for PV systems connected to a high-voltage bus, due to its high voltage gain, common ground, and low input current ripple. The dual-input feature, along with the low voltage and current stress on the semiconductor devices, reduces the construction cost and improves the reliability of the proposed converter. The analysis of the proposed converter is performed in steady state, and the derived relationships are validated through simulations in PSCAD/EMTDC and MATLAB softwares.

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