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Simple method for calculating I2t rating

Simple method for calculating I2t rating

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© The Institution of Electrical Engineers
Published

The behaviour of fuses and power semiconductors at transient overload can be well characterised by the I2t rating. The paper gives an approximate and easy-to-use method for calculating I2t rating. To apply this method, only the broken-line envelope of the amplitude density function has to be known.

Inspec keywords: transients; rectifying circuits; power electronics; electric fuses; overcurrent protection

Other keywords: power electronics; broken-line envelope; transient overload; fuses; rectifier; I2t rating; energy; amplitude density function; power semiconductors

Subjects: Power electronics, supply and supervisory circuits; Semiconductor devices; Fuses

References

    1. 1)
      • B. Audone . Graphical harmonic analysis. IEEE Trans. , 2 , 72 - 74
    2. 2)
      • L. Tihanyi . Calculating the energy content of transient signals. EMC Technology , 2 , 36 - 44
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