摘要
分析了相间磁干扰对点式光学电流互感器的影响,并结合实验结果进行了讨论。相间磁干扰对测量产生的影响与很多因素有关。如果高压导线的间距足够宽,在不加特别电磁屏蔽措施的情况下,测量结果可以达到0.2级的准确度要求;但高压导线的间距不够宽,则必须采用相应的措施。就如何消除这种相间干扰提出了几点建议。
The disturbance related to electromagnetic crosstalk between phases within point type optical current transformer (OCT)is analyzed, followed by a discussion combining theory with the experiment results. The disturbance is influenced by many factors of the system. As a matter of fact, the OCT can achieve accuracy 0.2 class without special electromagnetic shielding on the condition that the interval between conductors is wide enough. However, if the interval is not wide enough, special shielding is necessary. Moreover, some suggestions are given how to eliminate the errors caused by the disturbance.
出处
《传感器技术》
CSCD
北大核心
2004年第4期16-18,共3页
Journal of Transducer Technology
基金
国家自然科学基金资助项目(50377011)
