Abstract
This research proposes passive techniques for magnetic field mitigation in the 69/115 kV underground power system installed by the Metropolitan Electricity Authority (MEA). The passive techniques which are: conductive loop, conductive shield, and ferromagnetic shield were designed and simulated by using the Finite Element Method Magnetics (FEMM) program. A comparison of the magnetic field with and without a mitigation system is obtained. Finally, the simulation results show that all passive techniques can reduce the magnetic field values to be lower than the reference value given by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) and European standards.
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