621.3.04 8 621.316 6 actuator 1 bistable electromagnet 1 bistable latch 1 boundary conditions 1 coil 1 dynamics of the bumper with permanent magnets 1 electromagnetic field 1 high-temperature superconducting 1 in-plane magnetic field 1 induction heating 1 induction-dynamic drive 1 magnetic permeability 1 magnetic pulse treatment 1 magnets with radial magnetization 1 mathematical model 1 mechanical calculations 1 moving objects 1 multiphysics model 1 permanent magnets 1 quasistatic heating 1 shaft deformation 1 vacuum circuit breaker 1 vacuum circuit breakers 1 актуатор 1 бистабильный фиксатор 1 бистабильный электромагнит 1 вакуумные выключатели 1 вакуумный выключатель 1