DEVICE FOR CHECKING CONDITION AND PROTECTING THYRISTORS OF BRIDGE INVERTER

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to electrical engineering and can be used in devices for protection and display of u0432u0435u043du0442u0438u043bu044cu043du044bu0445 converters. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 simplification of the device. u043fu043eu0441u0442u0430u0432u043bu0435u043du043du0430u00a0 goal u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 u0431u043bu0430u0433u043eu0434u0430u0440u00a0, without the complex digital signal processing u0438u0434u0435u043du0442u0438u0444u0438u0446u0438u0440u0443u0435u0442u0441u00a0 u0441u043eu0441u0442u043eu00a0u043du0438u0435 each u0442u0438u0440u0438u0441u0442u043eu0440u0430 and u043eu0431u0435u0441u043fu0435u0447u0438u0432u0430u0435u0442u0441u00a0 u0444u043eu0440u043cu0438u0440 u043eu0432u0430u043du0438u0435 signal protection.in the fit and locked power u0442u0438u0440u0438u0441u0442u043eu0440u0430u0445 5 - 8 power the ins executive element 9 so as to open u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du044bu0435 elements 27 - 30 31 - 34 alone and other opto isolator s, u0448u0443u043du0442u0438u0440u0443u044eu0449u0438u0445 entrances executive element 9.in the open u0441u043eu0441u0442u043eu00a0u043du0438u0438 thyristors power emitting elements u043eu043fu0442u0440u043eu043du043eu0432 19 - 26, in the locked u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du044bu0435 elements 27 to 30 some u043eu043fu0442u0440u043eu043du043eu0432 and powerless bx oda executive element 9. in the event of failure of one of the thyristors 5 - 8 u043eu043au0430u0437u044bu0432u0430u0435u0442u0441u00a0 locked the u0444u043eu0442u043eu043fu0440u0438u0435u043cu043du044bu0439 element 31 to 34 other u043eu043fu0442u0440u043eu043du0430.this u043eu0431u0435u0441u043fu0435u0447u0438u0432u0430u0435u0442u0441u00a0 passing signal at the entrance of the executive element from the source u043fu0438u0442u0430u043du0438u00a0 10. 1 il.