| 摘要 |
FIELD: electric engineering, possible use in electric drives with broad engine speed alternation range, for example, by control signal. ^ SUBSTANCE: device for adjustment of electric engine rotation frequency contains adjuster of rotation frequency, rotor position indicator, two multiplexers, two adders, two impulse generators, frequency-phase discriminator, sine-cosine generator of support signal. ^ EFFECT: achievement of broad range of adjustment and smooth rotation of shaft of non-contact direct current engine in area of low and infra-low frequencies. ^ 2 dwg |
