DEVICE FOR PROTECTION OF ELECTROMECHANICAL ENERGY CONVERTER FROM EXCESSIVE ROTATIONAL SPEED

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to electrical engineering and is u0434u043bu00a0 u0438u0441u043fu043eu043bu044cu0437u043eu0432u0430u043du0438u00a0 in systems of relay protection and automation. the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - greater stability and enhanced functional capacity by an additional u043au043eu043du0442u0440u043eu043bu00a0 fixed chain u0432u043eu0437u0431u0443u0436u0434u0435u043du0438u00a0 u043fu0440u0438u0432u043eu0434u043du043e the u0434u0432u0438u0433u0430u0442u0435u043bu00a0, raising u0442u0435u0440u043cu043eu0441u0442u0430u0431u0438u043bu044cu043du043eu0441u0442u0438 and simplification of the device.the engine 1 u044du043bu0435u043au0442u0440u043eu043cu0430u0448u0438u043du043du043eu0433u043e u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 u043fu0443u0441u043au0430u0442u0435u043bu0435u043c 3 u043fu043eu0434u0430u0435u0442u0441u00a0 u043fu043eu0441u0442u043eu00a0u043du043du043eu0435 u043du0430u043fu0440u00a0u0436u0435u043du0438u0435 from the network 6. current winding 5 u0432u043eu0437u0431u0443u0436u0434u0435u043du0438u00a0 u0434u0432u0438u0433u0430u0442u0435u043bu00a0 1 which runs through the u0432u0441u0442u0440u0435u0447u043du043e inserted zener diode 19, creates the u043du0430u043fu0440u00a0u0436u0435u043du0438u0435, causing the operation of the relay 17, command line parameter is u0435u043du043du043eu0433u043e parallel u0441u0442u0430u0431u0438u043bu0438u0442u0440u043eu043du0443 19. relay contact 18 17 provides retention of u043fu0443u0441u043au0430u0442u0435u043bu00a0 3 in set u0441u043eu0441u0442u043eu00a0u043du0438u0438.the engine 1 u0437u0430u043fu0443u0441u043au0430u0435u0442u0441u00a0, at the outlet of the generator 2 u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435u043bu00a0 u043fu043eu00a0u0432u043bu00a0u0435u0442u0441u00a0 u043du0430u043fu0440u00a0u0436u0435u043du0438u0435 levels in the primary coil 8 u043fu043eu043du0438u0436u0430u044eu0449u0435u0433u043e transformer 7. with the secondary winding of the transformer 7 through 9 u043du0430u043fu0440u00a0u0436u0435u043du0438u0435 lc circuit 13 receives the primary coil 11 u043du0430u0441u044bu0449u0430u044eu0449u0435u0433u043e transformer 10.u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 with initial findings of secondary windings of transformers 12, 9, 7, 10 u043fu043eu0434u0430u044eu0442u0441u00a0 at the entrance to the first element and 22, u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 with end of the windings is in moves the second element 23, and the mid points of the windings with the anode and the cathode with u0441u0432u00a0u0437u0430u043du044b u0441u0442u0430u0431u0438u043bu0438u0442u0440u043eu043du0430 19 u0442u0438u0440u0438u0441u0442u043eu0440u0430 16, u0448u0443u043du0442u0438u0440u0443u044eu0449u0435u0433u043e coil relay 17.the weekend u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 elements 22, 23 and 24 through the element or u043fu043eu0434u0430u044eu0442u0441u00a0 to base n - p - n - a transistor 20, the collector which is connected with the cathode with u0441u0442u0430u0431u0438u043bu0438u0442u0440u043eu043du0430 19, and the emitter with the upr u0430u0432u043bu00a0u044eu0449u0438u043c u0442u0438u0440u0438u0441u0442u043eu0440u0430 electrode 16.the frequency u0432u0440u0430u0449u0435u043du0438u00a0 generator 2 below permissible at the terminals of elements 22, 23 u0444u043eu0440u043cu0438u0440u0443u044eu0442u0441u00a0 low capacities, transistor and thyristor 16, 20 are closed, the relay 17 u043du0430u0445u043eu0434u0438u0442u0441u00a0 in u0440u0430u0431u043eu0442u0430u043du043du043eu043c u0441u043eu0441u0442u043eu00a0u043du0438u0438, starter 3 is included.the frequency u0432u0440u0430u0449u0435u043du0438u00a0 generator 2 above permissible at the terminals of elements 22, 23 u0444u043eu0440u043cu0438u0440u0443u044eu0442u0441u00a0 impulses of high capacity, u043eu0442u043au0440u044bu0432u0430u0435u0442u0441u00a0 transistor 20, the thyristor 16 command line parameter is u0430u0435u0442u0441u00a0, u0448u0443u043du0442u0438u0440u0443u00a0 coil relays 17, 18 which u0432u044bu043au043bu044eu0447u0430u0435u0442u0441u00a0 and contact u0440u0430u0437u043cu044bu043au0430u0435u0442u0441u00a0 chain u0443u0434u0435u0440u0436u0430u043du0438u00a0 u043fu0443u0441u043au0430u0442u0435u043bu00a0 3. the last u0432u044bu043au043bu044eu0447u0430u0435u0442u0441u00a0, u044du043bu0435u043au0442u0440u043eu043cu0430u0448u0438u043du043du044bu0439 converter u043eu0442u043au043bu044eu0447u0430u0435u0442u0441u00a0 from network. 2 z. s - lu, 2).