熔断器保护的IGBT特性

Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95 Pub Date : 1995-02-21 DOI:10.1109/PEDS.1995.404947

J. de Palma, C. Mulertt, S. Duong, C. Schaeffer

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引用次数: 4

摘要

大功率IGBT的外壳可能被高故障电流严重损坏。快速保险丝可以消除这个问题。研究和试验表明，特殊设计的保险丝可以防止IGBT爆炸，并使电路电感低于可接受值。为了了解IGBT在短路时的热行为，从而选择合适的熔断器，提出了一个热模型。

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IGBT characterisation for their protection by fuses

The case of a power IGBT can be severely damaged by high fault currents. Fast fuses can eliminate this problem. Studies and tests show that a specially designed fuse can prevent an IGBT from exploding and keep the circuit inductance below acceptable values. A thermal model is proposed in order to see how an IGBT behaves thermally during short circuits and thus to select the appropriate fuse.<>

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Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95

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