Title:	Output Overvoltage in DC-DC Switching Converters in Case of Sudden Unloading
Authors:	Hammerbauer, Jiří Štork, Milan
Citation:	2021 International Conference on Applied Electronics: Pilsen, 7th – 8th September 2021, Czech Republic, p. 47-50.
Issue Date:	2021
Publisher:	University of West Bohemia
Document type:	conferenceObject konferenční příspěvek
URI:	http://hdl.handle.net/11025/45564
ISBN:	978–80–261–0972–3 (Print) 978–80–261–0973–0 (Online)
ISSN:	1803–7232 (Print) 1805–9597 (Online)
Keywords:	převodník buck;boost konvertor;indukční energie;ztráta zatížení;přepětí;ochrana
Keywords in different language:	buck converter;boost converter;inductor energy;load loss;overvoltage;protection
Abstract in different language:	In present time the high efficiency switching DC/DC converters, e.g. buck and boost are often used. This work describes some problems of DC-DC converters, which can occur, when the load is suddenly disconnected or simultaneous disconnection of the load and the capacitor at the output. The results were derived both by simulation but also by measurement. A special measuring system has been developed for these measurements, which enables the realization of fault conditions. Therefore, measurements were performed on 2 different types of DC-DC converters. The results of simulations and measuring are presented in the work. Error conditions usually cause an overvoltage that can damage the equipment connected to the converter. A solution how to prevent overvoltage and thus damage connected systems is also described.
Rights:	© University of West Bohemia, 2021
Appears in Collections:	Konferenční příspěvky / Conference Papers (KEI) Applied Electronics 2021 Applied Electronics 2021

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