Method of operating a voltage converter, and a voltage...

Details Method of operating a voltage converter, and a voltage... Method of operating a voltage converter, and a voltage...

H - Electricity

02

M

H02M 3/337 (2006.01) H02M 1/00 (2006.01)

Patent

CA 2147147

In a voltage converter for switching mode, for example a push-pull voltage converter (GW), during a starting operation the switching-on pulses for the switching elements (S1, S2) are dimensioned to be of different length, specifically in such a way that the mean value of the energy-consuming current does not exceed a prescribed limiting value. By contrast with conventional methods, there is no regulation of the switching-on pulses, but the different switching-on times in a plurality of subphases are prescribed in a fixed fashion as a function of the inductance (LS) of the DC/DC voltage converter (GW). The method according to the invention ensures that the mean value of the inrush current cannot become substantially higher than a prescribed nominal value. This is advantageous, in particular, for the power supply of travelling wave amplifiers.

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