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Technical Note on Inductance of Fuses in High-Frequency Power Electronic Circuits Released

Apr 1, 1999 12:00 PM, By EC&M Staff

In response to the increasing use of semiconductor fuses to protect IGBT inverters against the effects of short-circuit faults, Gould Shawmut, Newburyport, Mass., recently released its Technical Note: Inductance of Fuses in High-Frequency Power Electronic Circuits.

As these circuits operate at high frequencies, typically 2 kHz to 20 kHz, the switching di/dt is high. Therefore, the circuit inductance must be kept low to minimize transient over voltages. This technical note analyzes how to minimize inductance with the addition of fuses into a circuit.

The company has experience in the application of fuses for protecting inverters up to 2kV.

For more information, contact Gould Shawmut, 374 Merrimac St., Newburyport, Mass. 01950; Phone (978) 462-6662; website: www.gouldshawmut.com.

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