2013
DOI: 10.4130/jaev.11.1659
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Fault Diagnosis of Power Components in Electric Vehicles

Abstract: Battery, power electronics and electric motor are the main components of electric vehicles (EVs

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Cited by 24 publications
(3 citation statements)
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“…The electric damage in such systems is caused by the voltages induced from the inverters, which are needed to convert direct current into alternating current [4]. Additionally, a voltage difference between the driveshaft and the motor housing induces damaging mechanisms like discharges through the tribological contacts in the load zone of adjacent bearings [5,6]. The degree of harmfulness of bearing currents can be determined using the apparent bearing current density, which is the electric current passing through the bearing divided by the Hertzian contact area.…”
Section: Introductionmentioning
confidence: 99%
“…The electric damage in such systems is caused by the voltages induced from the inverters, which are needed to convert direct current into alternating current [4]. Additionally, a voltage difference between the driveshaft and the motor housing induces damaging mechanisms like discharges through the tribological contacts in the load zone of adjacent bearings [5,6]. The degree of harmfulness of bearing currents can be determined using the apparent bearing current density, which is the electric current passing through the bearing divided by the Hertzian contact area.…”
Section: Introductionmentioning
confidence: 99%
“…This increases the likeliness for currents appearing not only in motor bearings, but also in transmission bearings, especially in the case of insufficient isolation between motor and transmission [7,8]. Electric rolling bearing damages are responsible for a large amount of failures in e-drive systems [9,10]. Due to the new mobility concepts focusing on electric vehicles bearing faults caused by electric damages, these become more important within the scope of research [11,12].…”
Section: Introductionmentioning
confidence: 99%
“…Traditionally, when there is any short-circuit fault, the faulty phase can be disabled and remedied with the open-circuit fault-tolerant operation [27]- [29]. However, the conventional approach purposely boosting up the remaining healthy armature sets for torque compensations [30]- [32]. Hence, all the armature sets are required to design with the higher tolerant factors, resulting in the increased material costs.…”
Section: Introductionmentioning
confidence: 99%