UNIT TO CONTROL POWER INVERTER OF DC CONVERSION INTO AC OF CIRCUIT OF RESONANT POWER CONVERTER, IN PARTICULAR, DC CONVERTER INTO DC FOR USE IN CIRCUITS OF HIGH VOLTAGE GENERATOR OF UP-TO-DATE DEVICE OF COMPUTER TOMOGRAPHY OR X-RAY SYSTEM

摘要

FIELD: electricity.SUBSTANCE: circuit of power conversion of resonance type comprises a phase-to-phase transformer (406), serially connected to at least one serially connected resonant circuit (403a and 403a' or 403b and 403b') at the outlet of two cascades (402a+b) of the power inverter of DC conversion into AC, supplying to the high-voltage transformer (404) with multiple primary windings. The phase-to-phase transformer (406) serves to eliminate mismatch (?I) of resonant output currents (I, I) of cascades (402a+b) of the power inverter of DC conversion into AC. The method of control guarantees that the phase-to-phase transformer (406) is not saturated, provides for operation under zero current and provides for minimised losses of power at the inlet.EFFECT: provision of efficient control of supplied output power under zero current in each cycle of switching for elimination of losses.16 cl, 9 dwg