CST – Computer Simulation Technology

EMC Analysis of Electrical Machines

A typical motor or generator includes multiple design elements which can cause electromagnetic compatibility (EMC) issues. As well as the main inductances of the motor itself, there is also a parasitic capacitance between the coil and the housing, between the coil and the shaft, and between implemented sensors. This parasitic capacitance is responsible for the common mode coupling and capacitive coupling. This whitepaper shows how EMC relevant properties of electrical machines can be extracted by 3D EM simulation.

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