陡降大电流形成的高梯度强磁场对智能配电设备的电磁干扰分析Analysis on Electromagnetic Interferences of High-Gradient Strong Magnetic Filed due to Steeply Dropping High Current in Intelligent Power Distribution Equipments
韩筛根;张重乐;邓宏芬;安世虎;
摘要(Abstract):
对陡降大电流形成的高梯度强磁场的产生机制以及由此产生的强电磁干扰现象进行了详细分析,阐述了智能配电设备遭受电磁干扰的现象与表征,通过理论分析和实际试验,证明了陡降大电流形成的高梯度强磁场是影响智能配电设备运行安全的重大电磁干扰源,提出了运用数字量替代模拟量、光纤传输技术、空间方位分离等技术措施和时间闭锁分割、频率划分与滤波、吸收与旁路等技术方法,或将这些抗干扰措施进行优化组合,系统性解决和消除此类干扰问题的方案。
关键词(KeyWords): 陡降;大电流;高梯度;智能配电设备;电磁干扰
基金项目(Foundation):
作者(Author): 韩筛根;张重乐;邓宏芬;安世虎;
Email:
DOI: 10.13335/j.1000-3673.pst.2010.09.003
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