Fuse Protection of IGBT Modules against Explosions

Frede Blaabjerg; Florin Iov; Karsten Ries

Fuse Protection of IGBT Modules against Explosions

Frede Blaabjerg

Florin Iov

Karsten Ries

Vol. 2, No. 2, pp. 88-94, Apr. 2002

10.6113/JPE.2001.02.2.88

IGBT protection

IGBT fuses

added inductance

high-frequency loading

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Abstract

The demand for protection of power electronic applications has during the last couple of years increased regarding the high-power IGBT modules. Even with an active protection, a high power IGBT still has a risk of exhibiting a violent rupture in the case of a fault if IGBT Fuses do not protect it. By introducing fuses into the circuit this will increase the circuit inductance and slight increase the over-voltage during the turn-off of the diode and the IGBT. It is therefore vital when using fuses that the added inductance is kept at a minimum. This paper discuss three issues regarding the IGBT Fuse protection. First, the problem of adding inductance of existing High-Speed and new Typower fuses in DC-link circuit is treated, second a short discussion of the protection of the IGBT module is done, and finally, the impact of the high frequency loading on the current carrying capability of the fuses is presented.

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Cite this article

[IEEE Style]

F. Blaabjerg, F. Iov, K. Ries, "Fuse Protection of IGBT Modules against Explosions," Journal of Power Electronics, vol. 2, no. 2, pp. 88-94, 2002. DOI: 10.6113/JPE.2001.02.2.88.

[ACM Style]

Frede Blaabjerg, Florin Iov, and Karsten Ries. 2002. Fuse Protection of IGBT Modules against Explosions. Journal of Power Electronics, 2, 2, (2002), 88-94. DOI: 10.6113/JPE.2001.02.2.88.