CST – Computer Simulation Technology

Resolving Safety-Critical EMI Problems Between AM Transmitters and Cranes Using a 3D Field Solver

January 2014

Resolving Safety-Critical EMI Problems Between AM Transmitters and Cranes Using a 3D Field Solver
Electromagnetic fields from two high-power AM transmitters close to a construction site induced dangerously high voltages in crane booms, damaging equipment and injuring workers. With construction halted, a solution was urgently required. Electromagnetic simulation was used to identify the cause of the problem when conventional on-site analysis approaches failed, and allowed the engineers to compare possible countermeasures quickly. The chosen solution, a large inductive coupling to the ground, was successfully implemented and construction was able to continue.

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