THREE-PHASE CAPACITANCE TRANSDUCER FOR POWER SUPPLY OF ACTIVE LOAD Russian patent published in 2014 - IPC H02M5/12 

FIELD: electricity.

SUBSTANCE: invention relates to electrical engineering. Three-phase capacitance transducer for power supply of active load contains two groups of in-series connected diode and storage capacitor and two groups of in-series connected thyristor and integrating capacitor connected in parallel to the respective storage capacitors. At that the two groups of in-series connected diode and storage capacitor are connected to two phases of the three-phase electrical mains as per voltage doubling circuit (Latour scheme), integrating capacitors from the groups of in-series connected thyristor and integrating capacitor are interconnected in-series and in parallel to the active load and a protective device while control electrodes of thyristors are connected to the thyristor control unit which inputs are connected to the three-phase electrical mains. The thyristor control unit contains a resistor voltage summator-divider, a comparator and two control circuits. The first circuit consists of in-series inverter, the first differentiating circuit, the first trigger pulse univibrator with power amplifier and the first output transformer while the second circuit consists of the in-series second differentiating circuit, the second trigger pulse univibrator with power amplifier and the second output transformer.

EFFECT: extension of application area.

3 cl, 4 dwg