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Power electronics systems are increasingly used and becoming more important in the electricity sector with the development of technology. Power electronics technology is used in high voltage, medium voltage, low voltage, automation or lighting systems, in short, in every field of electricity.
In medium voltage distribution networks and substations, the use of battery and rectifier groups, which are a supply and power electronics system, is of great importance. The structure consisting of a semiconductor-based rectifier and battery groups that meet the DC energy needs of the equipment in transformer or distribution centers, which is continuously connected to the direct current loads located here, constant voltage, automatic regulation according to the mains voltage change is called battery rectifier group.
Battery rectifier groups feed the motor and on-off coils, lighting lamps, signal lamps, etc. of the medium voltage switchgears in the substation where they are located. While the mains supply voltage is 220 VAC, the output voltage of the rectifier can be 24 VDC, 48 VDC or 110 VDC. We can group these structures in two parts as battery group and rectifier section.
This section is excerpted from REVOTEK.com.tr.