FIELD: electric engineering, namely, engineering of devices for controlling static transformers of direct current to alternating current, used for acceleration of frequency pickup of asynchronous engines, possible usage for engineering various adjusting and controlling systems.
SUBSTANCE: in programmed setting generator of directional action, containing, connected serially, clock generator, impulse counter, digital-analog converter and controllable transformer of current to frequency, in accordance to invention, controllable transformer of current to frequency is made with circuit with integrating capacitors and input of controllable transformer of current to frequency is connected to output of digital-analog converter through additionally provided current stabilizer.
EFFECT: increased precision and increased dynamic frequency alternation range.
1 dwg
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Authors
Dates
2006-08-10—Published
1982-08-23—Filed