Abstract
In two laboratories, one high voltage and the other one high current, various metal test cylinders were subjected to current pulses, up to 15 kA for the simulation of aircraft susceptibility to high transient currents and voltages. Surge current and corresponding dB/dt time functions were recorded during the tests (B is the magnetic flux density). The project is related to the electromagnetic (EM) compatibility performance of an aircraft in case of transient (i.e., surge) currents, such as lightning strokes. The paper reviews (step-by-step) the processing of surge current and dB/dt test data, and illustrates all steps with examples. Processing the test data makes the EM compatibility evaluation of the test results possible. Evaluation of the test results gives information on the magnitude and wave shape of transient EM field related quantities in the internal area of the fuselage of an aircraft that result in EM interference with on-board electronics.
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