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工频磁场对电磁继电器动态特性影响的三维有限元分析

, PP. 51-56

Keywords: 工频磁场,电磁继电器,有限元,电磁兼容

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Abstract:

外部磁场对于电磁继电器动态特性的干扰,是研究继电器电磁兼容性的一个重要内容。本文以典型的拍合式电磁继电器为研究对象,针对其受到工频磁场干扰的情况,采用三维有限元方法建立了仿真模型。通过仿真计算,详细分析了继电器的吸合时间、电磁力矩、吸合速度以及吸合电流随外部工频磁场变化的规律,并定量给出了动态特性的各参数随磁场变化的曲线。实验结果和仿真分析结果符合得较好,从而验证了仿真分析的正确性。本文所得结论对于研究电磁继电器的电磁兼容性和抗干扰能力具有一定的借鉴意义。

References

[1]  Minegishi S. Frequency spectra of the arc current due to opening electric contacts in air[J]. IEEE Transactions on EMC, 1989, 31(4): 342-345.
[2]  李岐新, 刘青. 电磁继电器的电磁干扰现象及抑制方法[J]. 继电器, 1998, 26(1): 51-57.
[3]  黄道春, 阮江军, 余世峰, 等. 特高压紧凑型输电线路工频电场强度计算[J]. 高电压技术, 2006, 32(7): 69-71.
[4]  卢斌先, 王泽忠, 李成榕, 等. 500kV变电站开关操作瞬态电场测量与研究[J]. 中国电机工程学报, 2004, 24(4): 133-137.
[5]  Nils H, Dieter K. Overvoltages in secondary circuits of medium-voltage switchgear generated by multiple regnitions of circuit breakers [J]. IEEE Transactions on EMC, 1999, 41(4): 510-515.
[6]  Hosaka H, Kuwano H. Design and fabrication of miniature relay matrix and investigation of electromechanical interference in multi-actuator[R]. IEEE Workshop on Micro Electromechanical System, 1994: 313-318.
[7]  Yamaguchi T, Kawase Y, Shiomoto H, et al. 3-D finite-element analysis of dynamic characteristics of twin-type electromagnetic relay[J]. IEEE Trans. Magn., 2002, 38(2): 361-364.
[8]  Zhai G F, Yang W Y, Zhou X. 3-D finite element analysis of dynamic characteristics of twin-type relay interfered by uniform constant magnetic field[J]. IEICE Transactions on Electronics, 2008, 91(8): 1215-1221.
[9]  Uchimura K, Fujita H, Ikesue S, et al. Noise induced by showering arc in switching relays and malfunction of digital circuits owing to its noise[C]. IEEE International Symposium on Electromagnetic Compatibility, Nagoya, Japan, 1989, 9: 400-405.
[10]  Kawase Y, Miyatani O, Yamaguchi T, et al. Numerical analysis of dynamic characteristics of electromagnets using 3-D finite-element method with edge elements[J]. IEEE Trans. Magn., 1994, 30: 3248-3251.

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