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DEVICE FOR EMERGENCY DUTY PROTECTION OF CONTACT WIRE NETWORK
DEVICE FOR EMERGENCY DUTY PROTECTION OF CONTACT WIRE NETWORK
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机译:联络网紧急职责保护装置
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摘要
the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to electrical engineering and can be used u0434u043bu00a0 protection contact networks u043fu043eu0441u0442u043eu00a0u043du043du043eu0433u043e current with periodic and u043du0435u043fu0435u0440u0438u043eu0434u0438u0447u0435u0441u043au0438u043c (emergency) u043fu0440u0435u0440 u044bu0432u0430u043du0438u0435u043c circuit current. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 increased reliability and enhanced functional capacity by protection against current overload with the introduction of the automatic on u0432u0442u043eu0440u043du043eu0433u043e u0432u043au043bu044eu0447u0435u043du0438u00a0 and u0441u0430u043cu043eu043au043eu043du0442u0440u043eu043bu00a0 device.when the timer 1 u043du0430u043fu0440u00a0u0436u0435u043du0438u0435 protection in key 4 comes in contact network, the u043eu0441u0443u0449u0435u0441u0442u0432u043bu00a0u0435u0442u0441u00a0 test u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 u0438u0437u043eu043bu00a0u0446u0438u0438 and u0441u0430u043cu043eu043au043eu043du0442u0440 the device could work.in the fixed network and circuit verification u0441u043du0438u043cu0430u0435u0442u0441u00a0 locking element u0441u043eu0432u043fu0430u0434u0435u043du0438u00a0 2 on the chain, from the network 10 and a sensitive element of the memory 9, u0440u0430u0437u0440u0435u0448u0430u0435 t of u0440u0430u0437u0431u043bu043eu043au0438u0440u0443u044eu0449u0435u0433u043e signal output element 2, and the load 26 passes through the working current.at the end of the working cycle, u043eu043fu0440u0435u0434u0435u043bu00a0u0435u043cu043eu0433u043e timer 1, the blocking element is u0441u043eu0432u043fu0430u0434u0435u043du0438u00a0 2 and the core u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 contact networks, the us u0442u0443u043fu0430u0435u0442 cycle u0441u0430u043cu043eu043au043eu043du0442u0440u043eu043bu00a0 and verification u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 u0438u0437u043eu043bu00a0u0446u0438u0438.in case of the overload signal from the current sensor 13 through an amplifier 14 arrives at the entrance threshold amplifiers 15,16,17 configured on different levels, and in u0441u0440u0430u0431u0430u0442u044bu0432u0430 research institute of the u0443u0441u0438u043bu0438u0442u0435u043bu00a0 u043du0430u0447u0438u043du0430u0435u0442u0441u00a0 countdown u0434u0435u0439u0441u0442u0432u0438u00a0 overload by one of the elements of the delay 18,19,20.in the case of a temporary u043fu0440u0435u0432u044bu0448u0435u043du0438u00a0 u0443u0441u0442u0430u0432u043au0438 locking element is u0441u043eu0432u043fu0430u0434u0435u043du0438u00a0 2 and, at the same time, is the u0432u0440u0435u043cu00a0u0437u0430u0434u0430u044eu0449u0435u0433u043e element 24 u0430u0432u0442u043eu043cu0430u0442u0438u0447 u0435u0441u043au043eu0433u043e re u0432u043au043bu044eu0447u0435u043du0438u00a0. 1 il.
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