Low-Cost Buck Converter and Voltage Sensing Method for Low-Voltage Systems
Jong-cheol Kim1, Seong-mi Park2, Sung-jun Park3
1Jong-cheol Kim, Department of Electrical Engineering, Chonnam National University, Gwangju, Korea, East Asia.
2Seong-mi Park, Department of Lift Design, Korea Lift College, Geochang, Korea, East Asia.
3Sung-jun Park, Department of Electrical Engineering, Chonnam National University, Gwangju, Korea, East Asia.
Manuscript received on 20 June 2019 | Revised Manuscript received on 27 June 2019 | Manuscript Published on 22 June 2019 | PP: 379-384 | Volume-8 Issue-8S2 June 2019 | Retrieval Number:H10700688S219/19©BEIESP
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open-access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Small, low-voltage buck converters commonly used in the renewable energy industry, the micro grid, and the automotive industry require insulated gate amplifier voltages, which can be a significant economic burden on the system. Methods/Statistical analysis: Therefore, in this paper, we propose a voltage detection method that detects the voltage of the converter and the low side buck converter that does not require the insulation gate amplifier voltage by changing the switch position from + side to – side. To verify this, we used simulations and compared them with existing converters. Findings: Unlike the conventional buck converter, the Modified buck converter can sense the voltage when the switch is turned on, but when the switch is off, the output voltage and the voltage of the switch are added to the output terminal, Accurate sensing is impossible. For this reason, a voltage sensing method different from the conventional one is required for the Modified converter. Improvements/Applications: low-side Buck-converter that does not require isolated gate amplifier voltage and a voltage detection method to detect the voltage of this converter.
Keywords: Buck Converter, Voltage Sensing Method, Low-Voltage, Low-Cost.
Scope of the Article: Remote Sensing, GIS and GPS