FIELD: electricity.
SUBSTANCE: filter-compensating device comprises a three-phase load connected as "star", a compensation unit from three LC-circuits with fixed parameters, a switch, and three current sensors, a three-phase booster transformer, a rectifier, a device for calculation of reactive power, three autonomous voltage inverters, a three-phase measurement voltage transformer, a synchronisation device, a system of inverters control, which are in a certain relation with each other.
EFFECT: higher power coefficient in all modes of load operation, including a rated one, due to control of reactive power of a filter-compensating device with simultaneous increase of voltage level at a three-phase load.
2 dwg
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