Mitigation of magnetic fields near transmission lines using a passive loop conductor

This paper presents a concept to reduce the magnetic field generated from ac overhead transmission lines. The mitigation of magnetic field is performed by using a passive loop conductor. The method is applied to a flat transmission line configuration which is used frequently in extra high-voltage system. The effect of width and height of passive loop conductor on the reduction of magnetic field intensity is further investigated. Numerical results of magnetic field mitigation and further discussion are provided.