Safety-Critical EMI Problems Between AM Transmitters and Cranes
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.
The shielding effectiveness (SE) of an enclosure has been simulated by using CST MICROWAVE STUDIO® (CST MWS) and then compared to measurement from a known reference case. Despite the fact that the shielded enclosure was simulated neglecting many details,...
Crosstalk Effects of Shielded Twisted Pairs
This article deals with the modeling and simulation of shielded twisted pairs with CST CABLE STUDIO™. The quality of braided shields is investigated with respect to perfect solid shields. Crosstalk effects are calculated for unshielded twisted pairs,...
Electrical Fast Transient/Burst (EFT/B) Susceptibility of an LV Circuit Breaker
The coupled voltage at component level has been simulated using CST MICROWAVE STUDIO SUITE® for two PCB releases of the same Low Voltage Circuit Breaker (LV-CB) electronic control scheme. The results show a good agreement with actual measurements.
Optimization of Torque in a Permanent Magnet Synchronous Motor (PMSM) for Traction Applications
This article summarizes the simulation and optimization of a Permanent Magnet Synchronous Motor (PMSM) commonly used for traction in automotive and transportation systems.
The aim is to apply CST EM STUDIO® (CST EMS) to the optimization of two conflicting...
RFID System Design using 3D EM Simulation Tools
RFID is becoming an increasingly important technology with diverse applications in inventory management and product tracking, identification, timing and the biomedical sector, amongst others. Electromagnetic simulation has become an indispensable design...
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