Device for driving a rotary-anode X-ray tube

Details Device for driving a rotary-anode X-ray tube Device for driving a rotary-anode X-ray tube

1982-02-01

1983-03-15

Smith, Alfred E.

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

318727, H02P 742, H05G 166, H05G 170

Patent

active

043768946

ABSTRACT:
The invention relates to a drive system for a rotary-anode X-ray tube which comprises an asynchronous motor. The current through the stator windings is generated by two pulse-width modulators to which sinusoidal signals which are phase-shifted 90.degree. with respect to one another are supplied by a sine and a cosine memory. The amplitude thereof is controlled in dependence on the amplitude of the current through the relevant stator winding.

REFERENCES:
patent: 4259580 (1981-03-01), Vogler

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