| 摘要 |
<p>Rectifier-type electric drive in which a shaft position indicator (2) of a synchronous machine is electrically connected to the address input of a permanent memorizing device (10). The output bus of the memorizing device (10) is connected to controlling inputs (11) of code/pulse duration converters (12), the number of which corresponds to that of the windings of the synchronous machine and the outputs of which are connected to the pulse duration presetting inputs (17) of corresponding commutators (18), the pulse polarity presetting inputs (26) of which are connected to corresponding outputs of the permanent memorizing device (10), whereas the outputs are connected to the windings of the synchronous machine (1). There is also a unit (34) for voltage/pulse period conversion, one input (35) of which is connected to a power source (25) connected also to the commutators (18), another input (33) of which is connected to the output of a driving oscillator (32) connected to the input (31) of a controlled frequency divider (28), and the output of which is connected to the triggering inputs (36) of the code/pulse duration converters (12). The module code of the controlling signal is fed to the controlling input (29) of the divider (28), whereas the output of the divider (28) is connected to the pulse frequency presetting inputs (30) of the converters (12).</p> |
