Abstract
Secondary power supplies, including on-board electronic equipment, extend the range of operating frequencies in order to increase the efficiency of the converters. This leads to the deterioration of electromagnetic environment. We propose a protective device for the spacecraft power bus based on lumped elements, which is characterized by high reliability, radiation resistance, and low mass-dimensional parameters. This device suppresses common and differential conducted interference in high-current power circuits. The results of the circuit simulation and field experiments in the frequency domain are presented. The obtained results are analysed, and the practical recommendations are given regarding the design of noise-suppressing devices based on elements with lumped parameters.
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