Słowa kluczowe: power transformer, main insulation, turn-to-turn insulation, equivalent circuit, electric machines, single-phase motor, permanent magnet, high efficiency motor, maszyny elektryczne, silnik jednofazowy, magnesy trwałe, silnik wysokosprawny, electrical machines, BLDC motors, magnetic structure, transients, squirrel cage induction motor, rotary-linear induction motor, design and technology process, outer rotor PM electrical machines, thermal calculations, thermal tests of electrical machines, linear induction motor, thermal analysis, synchronous machines, steady-state performance, harmonic balance method, PM electrical machines, IPMSM optimization, FEM, experimental research, synchronous machine, spectral analysis, fault diagnosis, synchronous generator, inductance distributions, induced voltages, Discrete Fourier Transform (DFT), two and three-point IpDFT method, estimation of signal parameters, spectral leakage, time windows RVCI, diagnosis of electrical motors, magnetic anisotropy, PM synchronous machine, anisotropy, dynamo steel sheets, specific power loss, powder metallurgy, cryogenic condition, synchronous motor, synchronization, FEM calculation, induction generator, single-phase, self-excitation, field-circuit modeling, turbogenerator, diagnostics, suspension, technical condition, finite element methods, mobile working machine, generator, wind turbine, simulator, test stand, PMSG generator, control systems, simulation studies, piezoelectric transducer, sensor, actuator, resonant transducer, finite element method, permanent magnet synchronous motor, asynchronous motor, power factor, efficiency, variable rotational speed, costs of electricity generation, modernizations of turbogenerators, CAD software, influence of geometric dimensions on torque value, hydrogenerator, field-circuit model, cogging torque, two-phase motor, BLDC machine, hybrid drive, motoring operation, generating operation, switched reluctance motor, three-phase motor, winding pole configurations, single-phase axial-flux machine, ferrite magnet generator, wind turbine application, Hamiltonian equations, error analysis, relative error, high speed drive, simulation model, PMSM, homogenization, magnetic gear, electromagnetic brake, eddy currents, More Electric Aircraft, Aircraft Electric Power Systems, PMSM motor, distributed winding, concentrated winding, induction motors, broken bar, mechanical fault, Fourier, Simulink, transformer, free and forced magnetization, ANSYS/RMxprt program, small hydropower plant, variable speed operation, optimizing algorithm, matrix converter, permanent magnet machine, high speed co-generation unit