民用智能电能表在直流强磁场中的抗干扰性能的研究

Research on Anti-jamming Performance of Civil Smart Electricity Meter in DC Strong Magnetic Field

文中针对民用智能电能表的直流强磁干扰的典型窃电方式,详细阐述了电能表在直流强磁铁干扰下的计量性能,指明电能表的电流采样回路是受强磁干扰的关键部分。通过理论分析与实验验证,提出电能表通过合理科学设计和制造,可以有效提高电能表的抗直流强磁场干扰的性能,在提升民用智能电能表的抗干扰性能方面具有重要的参与价值。

This paper is aimed at the typical electricity stealing type of the dc magnetic interference of the civil smart electricity meter, the measurement performance of the electric energy meter under the interference of the DC magnet is described in detail, and it is pointed out that the current sampling circuit of the electric energy meter is a key part of the strong magnetic interference. Through the theoretical analysis and experimental verification, the proposed electric energy meter,through a reasonable scientific design and manufacturing, can effectively improve the electric energy meter anti-DC strong magnetic field interference performance, it is of great value in improving the anti-jamming performance of the civil smart electricity energy meter.