Talkative Power Conversion Strategy Based on Direct Sequence Spread Spectrum with Gold Sequence

In DC-DC converter, power and signal dual modulation(PSDM) is often introduced to integrate data modulation and power conversion for talkative power conversion(TPC). In this paper, a novel FSK PSDM strategy based on Direct Sequence Spread Spectrum(DSSS) with Gold sequence is proposed for better anti-jamming performance, owing to the characteristics of DSSS and the exceptional correlation properties of Gold sequence. Additionally, the principles of the modulation and demodulation scheme are analyzed. Code division multiple access(CDMA) concept is employed in the communication system composed of multiple converters. Finally, a 250W DC microgrid(DCMG) system applying this method is constructed to verify the feasibility of the proposed communication strategy.