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Electromagnetic compatibility and protection of electric energy meters from strong magnetic fields

机译:电磁兼容性和保护电能从强磁场

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摘要

Power theft through electric energy meters tampering causes significant revenue losses. One of the meter tampering method involves manipulation using strong magnetic fields to distort the process of energy calculation by saturation of current transformers' cores. This paper presents an approach towards effective shielding of the power meters' sensitive elements from external magnetic fields. The theory of magnetic materials and the methods to calculate magnetic fields in the presence of these materials are used to develop a refined protective shield.
机译:通过电能计量篡改电力盗窃导致严重的收入损失。其中一个仪表篡改方法涉及使用强磁场操纵来扭曲电流互感器核心的能量计算过程。本文介绍了一种朝向外部磁场的功率计敏感元素有效屏蔽的方法。磁性材料理论及其在这些材料存在下计算磁场的方法用于开发精制的保护罩。

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