Abstract
Since DC-DC converters have many applications which include their use in electric vehicles, renewable energy sources and so on, if these converters fail, they cause the entire system to fail. Therefor these converters should have high reliability. One way to increase reliability is quick fault diagnosis in order to create a proper reply to a fault. In this paper, an evaluation of the fault diagnosis methods for the open circuit and short circuit faults at non-isolated single switch (NISS) DC-DC converters is presented. An analysis based on their efficiency and complexity is provided which can be a guidance and reference to decide the appropriate fault diagnosis method for different usage. In order to give some indicative results, simulations are accomplished on a boost converter to evaluate the proposed methods.
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