Volume 33 Issue 3
Mar.  2021
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Wang Dongxing, Zhu Yanyan, Zhou Liren, et al. Grey correlation analysis on related factors of temperature drift in magnetic modulated DCCT[J]. High Power Laser and Particle Beams, 2021, 33: 034002. doi: 10.11884/HPLPB202133.200286
Citation: Wang Dongxing, Zhu Yanyan, Zhou Liren, et al. Grey correlation analysis on related factors of temperature drift in magnetic modulated DCCT[J]. High Power Laser and Particle Beams, 2021, 33: 034002. doi: 10.11884/HPLPB202133.200286

Grey correlation analysis on related factors of temperature drift in magnetic modulated DCCT

doi: 10.11884/HPLPB202133.200286
  • Received Date: 2020-10-15
  • Rev Recd Date: 2020-12-30
  • Available Online: 2021-03-30
  • Publish Date: 2021-03-05
  • To further improve the temperature characteristics of magnetic modulation DCCT (Direct Current Current Transducer), the effects of various parts on the DCCT performance about temperature coefficient are found out by dividing the magnetic modulation DCCT into parts with grey correlation theory; at the same time, a comprehensive evaluation method of temperature coefficient of magnetic modulation DCCT is proposed. According to the working principle of magnetic modulation DCCT, DCCT is divided into three parts: printed circuit board (PCB), coil and sampling resistance. The temperature coefficients of them of the whole DCCT, PCB, coil and sampling resistance are measured respectively; then, temperature coefficient of each part of the 7 tested DCCT is calculated by using the grey correlation theory, and the correlation coefficients between the parts are obtained. Based on factors of the temperature characteristics and actual requirements, a concept DCCT is set as the reference. Using the grey correlation theory, the temperature comprehensive evaluation of the 7 tested magnetic modulation DCCTs is provided. The results provide a direction to reduce the temperature sensitivity of DCCT.
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