Analysis of electric field control methods for foil coils in high-voltage linear actuators

Analysis of electric field control methods for foil coils in high-voltage linear actuators

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This paper describes multiple electric field control methods for foil coils in high-voltage coreless linear actuators and their sensitivity to misalignment.The investigated read more field control methods consist of resistive, refractive, capacitive and geometrical solutions for mitigating electric stress at edges and corners of foil coils.These field control methods are here evaluated using 2-D boundary element and finite element methods.

A comparison is presented between the field control methods and their ability to mitigate electric stress in coreless linear actuators.Furthermore, the sensitivity to misalignment of the field control methods is investigated.