pulse-width modulation широтно-імпульсна модуляція 5 широтно-импульсная модуляция 4 total harmonic distortion 3 permanent magnet brushless motor 2 бесконтактный двигатель с постоянными магнитами 2 Latour-Graetz rectification circuits 1 Q factor 1 Taylor series 1 active rectifier 1 autonomous voltage inverter 1 combined controlled rectifiers 1 conduction loss 1 control 1 control system 1 controller 1 driver 1 electric drive 1 electromagnetic interference 1 energy efficiency 1 generalized derivative 1 input filter 1 microstepping 1 microstepping mode 1 multilevel inverter 1 output filter 1 phase control 1 power factor correction 1 pulsations factor 1 pulse component 1