Fluxgate current transducer

Method A method of operating a fluxgate current transducer including a fluxgate device comprising a saturable soft magnetic core and an excitation coil, and a signal processing circuit comprising a control circuit and a voltage generator connected to the control circuit for generating an alternating current in the excitation coil, the voltage generator generating a voltage oscillating between a maximum positive voltage (+U) and a maximum negative voltage (−U) configured to alternatingly saturate the saturable soft magnetic core, wherein the control circuit generates overload pulse signals currents that actuate an overload circuit portion connected to the control circuit to generate overload pulse signals through the excitation coil over time windows (Tn) after detection of the excitation coil current reaching positive and negative threshold currents (+S3, −S3) representative of saturation of the saturable soft magnetic core, said overload pulse signals being generated during at least one of a plurality of alternating voltage periods (P) of the voltage generator, the overload current generated after detection of the saturation of the saturable soft magnetic core in a same alternating voltage period having the same polarity as the excitation coil current in said same alternating voltage period.