Control system for starter for X-ray tubes

Details Control system for starter for X-ray tubes Control system for starter for X-ray tubes

1984-05-08

1988-07-26

Church, Craig E.

X-ray or gamma ray systems or devices

Electronic circuit

For electrode movement

378 94, H05G 166

Patent

active

047605880

ABSTRACT:
A boost circuit for providing rapid acceleration of anode rotating motors for X-Ray tubes features provision for supplying to the motor for a limited period of time a relatively high power AC excitation at a frequency well above that corresponding to the rotation speed to be maintained during exposure. Once proper operating speed is reached, the motor power supply voltage is reduced to a safe power level with respect to the stator windings, and the frequency is reduced to correspond to the desired running speed during exposure. In the preferred embodiment the changeover is governed by means of an empirically adjusted timer; however, changeover may be controlled by a variety of means.

REFERENCES:
patent: 3641408 (1972-02-01), Fiocca
patent: 3787724 (1974-01-01), Pedersen et al.
patent: 3832553 (1974-08-01), Seifert

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