Fault diagnoses for all the stages of the power electronic converter

This paper presents a fault detection, classification, and diagnoses for all the successive stages of the power electronic converter, including; the three phase rectifier, the dc-dc converter, and finally the single phase inverter. The paper provides a number of proposed algorithms for the open circuit fault diagnoses of these stages. The inputs of these algorithms are the voltage and current measurements of these stages after they undergo certain signal processing so that the inputs of the proposed algorithms could efficiently reflect the fault occurrence and behaviour.