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An extended magnet in a passive dI/dt limiter : The 6th joint magnetism and magnetic materials (MMM)−intermag conference (1994)

Young, S. J. ; Dawson, F. P. ; Konrad, A.

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 76 (1994), S. 6874-6876

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: This article examines a composite magnetic device which has the potential to function as a rate of current change (dI/dt) limiter. A possible application of such a device is to protect voltage-source-fed systems, either ac or dc, from overcurrents during fault situations. The operation of this dI/dt limiter is discussed, and performance equations are derived. Results obtained from this analysis are compared to a set of finite element simulations. An improvement to the basic design is suggested, in which the permanent magnet slices are extended in order to decrease the amount of leakage flux surrounding the dI/dt limiter.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.358098

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