DEVICE FOR PROTECTION FROM LEAKAGE CURRENTS IN ELECTRIC CIRCUITS WITH RECTIFYER CONVERTERS

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to electrical engineering and is u0434u043bu00a0 networks protection u0432u0435u043du0442u0438u043bu044cu043du044bu043cu0438 u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0u043cu0438. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - increased reliability u0434u0435u0439u0441u0442u0432u0438u00a0 protection. in u043fu043eu00a0u0432u043bu0435u043du0438u0438 dangerous current leakage relay 4 in block 1 u043au043eu043du0442u0440u043eu043bu00a0 u0438u0437u043eu043bu00a0u0446u0438u0438 works and their contact 8, u0432u043eu0437u0434u0435u0439u0441u0442u0432u0443u00a0 on u043eu0442u043au043bu044eu0447u0430u044eu0449u0438u0439 mechanism 9, switches the u043au043eu043cu043cu0443u0442u0430u0446u0438u043eu043du043d one apparatus 10.at the same time u0440u0430u0437u043cu044bu043au0430u0435u0442u0441u00a0 contact 15 relays 4, u0440u0430u0437u0440u044bu0432u0430u00a0 chain u043fu0438u0442u0430u043du0438u00a0 coils 14 additional switching apparatus 11. the contacts include valves 12, 13 u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 that provides u0440u0430u0437u0440u00a0u0434 u0441u0430u043cu043eu0438u043du0434u0443u043au0446u0438u0438 an emu load through the valves. contacts 17 additional switching apparatus includes a compensator 16 u0435u043cu043au043eu0441u0442u043du044bu0445 leakage currents. 1 il.