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Combined filtering system consisting of passive filter with capacitors in parallel with diodes and low-power inverter

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1 Author(s)
D. Alexa ; Dept. of Electron., Tech. Univ. of Iasi, Romania

The author presents a combined filtering system consisting of a passive filter with capacitors and an inverter with low power rating. Based on this system, a method for compensating the reactive power demanded by an electrical consumer is described. The volume of the capacitors used in the case of the proposed version represents 25-33% of the volume of the AC capacitors used in classical versions of passive filters with LC series circuits. When disturbances occur in the three-phase network, the low-power inverter starts to work, retransmitting to the network the excess energy taken by all the capacitors from the network during these disturbances

Published in:

IEE Proceedings - Electric Power Applications  (Volume:146 ,  Issue: 1 )