FIELD: electrical engineering.
SUBSTANCE: invention is related to devices for sectioning power lines. Multicontact switching system with independent control of two vacuum contactors, contains signal lamps SL1, SL2-SL4, SL13-SL15, SL22-SL24 model AD22DS, automatic switch AS5 model IEK ВА47-150 125 A, automatic switch AS6 model IEK ВА47-29 16 A, surge arrester SA7 model ОПС-1D, data receiving and transmitting device DRTD 26 model iRZ RU21W, microcontroller control unit for multicontact switching system model МКС-2-3В МБУ МКС-2-3В 27, power supply unit PSU 28. Additionally, the multicontact switching system is equipped with the first and third load switches LS8 and LS17 model IEK ВН-32 100 A, the second and the fourth load switches LS16 and LS25 model IEK ВН-32 40 A, the first and second vacuum contactors VC9 and VC18 model КВТ 1,14-2,5/160 and current transformers CT10-CT12, CT19-CT21 model SCT013-100 100A/50mA. The current transformers are removable. The proposed device has increased reliability and functionality by providing uninterrupted power supply to the nodes of a multi-contact switching system by including in its circuit a power supply, signal lamps, removable current transformers, load switches for local control of vacuum contactors, as well as a simplified device circuit due to performance of many functions by one microcontroller control unit for the МКС-2-3В multicontact switching system.
EFFECT: increase of reliability and efficiency of the consumer power supply system.
1 cl, 1 dwg
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