A non-isolated quasi-Z-source-based high-gain DC-DC converter
المؤلف | Mahmood, Arshad |
المؤلف | Zaid, Mohammad |
المؤلف | Khan, Shahrukh |
المؤلف | Siddique, Marif Daula |
المؤلف | Iqbal, Atif |
المؤلف | Sarwer, Zeeshan |
تاريخ الإتاحة | 2022-02-27T05:38:26Z |
تاريخ النشر | 2022 |
اسم المنشور | International Journal of Circuit Theory and Applications |
المصدر | Scopus |
الرقم المعياري الدولي للكتاب | 0098-9886 |
الملخص | To overcome the problems associated with Z-source-based DC-DC converters, a quasi-Z-source (QZS)-based high-gain DC-DC boost converter with switched capacitors is proposed in this work. Z-source-based DC-DC converters have problems like low-voltage gain, discontinuous input current, and high-voltage stress on the active and passive components. The proposed converter can produce a high-voltage gain of more than 10 times for a duty cycle of less than 0.5. The converter has other desirable features like reduced voltage stress across the switching components and continuous input current (CIC). It comprises a QZS cell made up of switched inductors and a voltage multiplier cell (VMC) made up of switched capacitors. The power loss analysis is done using PLECS software by incorporating the real parameters of switches and diodes from the datasheet. A hardware prototype of 200 W is developed in the laboratory to verify the working of the converter. In experimental results for an output power of 200 W, the converter is operated with a source voltage of 33 V at a duty ratio of 0.4 providing an output voltage of 395 V. The converter performance is good in open-loop conditions and is verified through experimental results. |
راعي المشروع | This work was supported by the Qatar University?Marubeni Concept to Prototype Development Research Grant MCTP?CENG?2020?2 from the Qatar University. |
اللغة | en |
الناشر | John Wiley and Sons Ltd |
الموضوع | Gain measurement HVDC power transmission Duty ratio (?) Duty ratios High gain Input current Quasi-Z-source Switched capacitor Voltage multiplier cell Voltage multipliers Voltage stress Z-Source DC-DC converters |
النوع | Article |
الصفحات | 653-682 |
رقم العدد | 2 |
رقم المجلد | 50 |
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