| 摘要 |
<p>An apparatus 'servo semiconductor device for DC power control' comprising a signal producing device having a movable cursor fitted with and guided by two carbon brushes and springs with studs for linear movement and restoring its position, auxiliary and power contacts means for handling small and heavy current, a miniature motor means operable via a set of gears train to rotate a specially designed Rotary Drum which produces intermittently two DC commands of variable duration, one being of small fixed amplitude and other of higher fixed amplitude which handles full power initiating a stake of semiconductor IGBT'S, after handling of low power, to load with zero loss of electrical energy in control device and in this way the core object of the load is controlled.</p> |
