星用镉镍蓄电池组的充退磁效果研究

摘要

Objective To study the effect of magnetizing and demagnetizing of Ni-Cd battery pack power storage commonly used in low-orbit satellite. Methods The relationship between different magnetizing/demagnetizing parameters (frequency,waveforms, intensity,etc.)and the magnetizing/demagnetizing results were analyzed in the zero-magnetic field environment. Furthermore, we studied the capacity of anti-magnetic pollution of battery pack and the effect of different demagnetization field on its magnetic performance. Results The results showed that Ni-Cd battery pack was prone to magnetization, and the three-direction demagnetization effect was better when the demagnetization field was 4.5 mT and the frequency was 1.5 Hz. Conclusion This paper proposed the suitable magnetization/demagnetization parameters for Ni-Cd battery pack, which improved the reliability of spacecraft magnetism control.%目的：研究国内低轨道卫星常用的储能电源镉镍蓄电池组的充退磁效应。方法在零磁场环境下，研究不同的充退磁参数（强度、频率、波形等）与充退磁效果的关系，考察其抗磁污染的能力以及不同的退磁场对其磁效应的影响。结果镉镍蓄电池组比较容易充磁，退磁强度为4.5 mT,频率为1.5 Hz，三方向退磁效果比较好。结论提出了适合镉镍蓄电池组的充退磁参数，提高了航天器部件磁试验的可靠性。