FIELD: x-ray engineering, possible use for controlling objects by means of x-ray radiation.
SUBSTANCE: in accordance to the invention, equipment may be connected to any voltage (1) of electric power supply, independently from voltage value within range 90-264 V, while electric power of equipment is fed into universal source (8) of alternating/constant current voltage, and also to controllable transformer (2) of current and to equipment (9) for adjusting input voltage, a set of capacitors (4) is charged at constant voltage, which is independent from electric supply voltage (1), where charging of aforementioned set of capacitors (4) may be performed in programmed way by means of input current programmer (3), to which end aforementioned input current programmer (3) influences controllable current transformer (2) in such a way, that charging of a set of capacitors (4) may be performed in sufficiently fast manner, preventing dips in the network, caused by charging of capacitors, and also overload of connection to powering electric network, aforementioned set of capacitors has an inverting power amplifier (5) connected to it, output of which is connected to high voltage transformer (6), and also, x-ray equipment has devices responsible for estimation of input voltage, and on basis of the latter - activation relays (10), which may be conventional or solid and which correspond to points of connection of powering transformer (12) of auxiliary equipment, for example, markers (13), arresters (14), collimators (15) and ionization chambers (16), without necessity of conduction of any manual measurement in electric supply feed depending on network voltage, where powering transformer (12) is analogically controlled by means of control block (11).
EFFECT: possible usage of x-ray equipment independently from electric power voltage and frequency supply, and also avoided dip of electric network power.
1 dwg
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Authors
Dates
2008-01-27—Published
2003-02-07—Filed