![]() This methodological study aims at designing methods and reducing the effects of 2-wire set loops-the simplest and most practical. Installing passive loops, with relatively low construction costs, leads to lower magnetic field reduction rates than installing underground cables and a weakness to not solving the landscape problem. ![]() Magnetic field reduction is currently done through underground power lines however, the disadvantage of this process is high construction costs. Depending on whether a separate power supply is needed or not, there are two types of wire loops: passive loop and active loop. Methods to reduce magnetic fields from power lines include shielding with wire loops, incorporating split phases and compaction techniques, installing underground power lines, converting to high-voltage direct current (HVDC), and increasing the ground clearance of transmission towers. In Korea, an electrician who was maintaining a 22.9 kV power line died of leukemia, which has recently been recognized as an occupational disease. The problem is that each study produces different results, among which the effect of exposure to magnetic fields on childhood leukemia is a major one. There are currently no new studies or research progress being made in this direction that is notable, and the number of civil complaints is gradually increasing. The controversy over the risk of the human body being affected by electromagnetic fields emitted from 60 Hz power lines continues without end.
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