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سی و دومین کنفرانس بین المللی مهندسی برق
A New High Voltage Gain Non-isolated DC-DC Converter
نویسندگان :
Ahmadreza Ghanaatian
1
Reza Takarli
2
Abolfazl Vahedi
3
1- دانشگاه علم و صنعت ایران
2- دانشگاه علم و صنعت ایران
3- دانشگاه علم و صنعت ایران
کلمات کلیدی :
DC-DC Converter،Interleaved converter،Built-in transformer،Coupled inductors،Voltage multiplier،High step-up converter
چکیده :
This research presents a novel DC-DC converter intended for distribution systems based on interleaved technique. This design incorporates a built-in transformer (BIT), coupled inductors (CIs), a switched capacitor (SC) technique, and voltage multiplier cells (VMCs). Among the outstanding features of the alliance of these elements, we can mention high voltage gain, high power density, and reduction of the voltage stress of the elements by increasing the turn ratio CIs or BIT and the ability to adjust the turn ratio to enhance voltage gain. It also reduces the components' current stress and the incoming current's ripple value. In this converter, the leakage energy is recycled. These innovations substantially improve the overall efficiency of the system. The reduced voltage stress allows for low-voltage rate switches, which reduces conduction losses and costs. It is discussed in detail how the converter operates and its characteristics. A simulation with input/output voltage 20V and 800V, respectively, is developed to verify the theoretical analysis.
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