On the Maximum Permissible Working Voltage of Commercial Power Silicon Diodes and Thyristors

Obreja, V.V.N.

doi:10.1109/isie.2007.4374631

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…With operating voltage and temperature above the rating parameters, leakage current increases dramatically and the diodes fail into short circuit at the chip's peripheral surface [14,15]. Experiments show that the diodes operation temperature can be increased without risks of failure by improving the junction edge current control, like a junction passivation process [16,17]. A further research reveals the mechanism is junction carrier avalanche multiplication, and the weak spots are near the chips' edge [18].…”

Section: Rising Of Leakage Currentmentioning

confidence: 99%

Overview of catastrophic failures of freewheeling diodes in power electronic circuits

Blaabjerg

Wang

et al. 2013

Microelectronics Reliability

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Emerging applications (e.g. electric vehicles, renewable energy systems, more electric aircrafts, etc.) have brought more stringent reliability constrains into power electronic products because of safety requirements and maintenance cost issues. To improve the reliability of power electronics, better understanding of failure modes and failure mechanisms of reliability-critical components in power electronic circuits are needed. Many efforts have been devoted to the reduction of IGBT failures, while the study on the failures of freewheeling diodes is less impressive. It is of importance to investigate the catastrophic failures of freewheeling diodes as they could induce the malfunction of other components and eventually the whole power electronic circuits. This paper presents an overview of those catastrophic failures and gives examples of the corresponding consequences to the circuits.

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Section: Rising Of Leakage Currentmentioning

confidence: 99%

Overview of catastrophic failures of freewheeling diodes in power electronic circuits

Blaabjerg

Wang

et al. 2013

Microelectronics Reliability

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“…The degradation of power diodes occurs due to electrical and temperature stresses [47]. The failure modes of the diode are short circuit and open circuit failure [48].…”

Section: Rectifier Diode Faultsmentioning

confidence: 99%

Condition monitoring of brushless synchronous generators using wireless sensors

Padmanabhan¹

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On the Maximum Permissible Working Voltage of Commercial Power Silicon Diodes and Thyristors

Cited by 2 publications

References 7 publications

Overview of catastrophic failures of freewheeling diodes in power electronic circuits

Overview of catastrophic failures of freewheeling diodes in power electronic circuits

Condition monitoring of brushless synchronous generators using wireless sensors

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