METHOD FOR MEASUREMENT OF DISTANCE TO FAULTY LOCATION ON POWER TRANSMISSION LINES AND DEVICE FOR ACCOMPLISHING SAID METHOD

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to electrical engineering and can be used u0434u043bu00a0 automatic u043eu043fu0440u0435u0434u0435u043bu0435u043du0438u00a0 places u043fu043eu0432u0440u0435u0436u0434u0435u043du0438u00a0.the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - to improve the range, accuracy and simplify the u043eu0431u0441u043bu0443u0436u0438u0432u0430u043du0438u00a0 by adapting to the system u043fu0440u0438u0441u043eu0435u0434u0438u043du0435u043du0438u00a0 and automate the process of u0438u0437u043cu0435u0440u0435u043du0438u00a0 - u0434u043eu0441u0442u0438u0433u0430u0435 u0442u0441u00a0 due to the fact that in the first cycle u0438u0437u043cu0435u0440u0435u043du0438u00a0 send in the controlled line u0437u043eu043du0434u0438u0440u0443u044eu0449u0438u0435 impulses with primary frequency u0437u0430u043fu043eu043bu043du0435u043du0438u00a0 are reflected u0438u043cu043fu0443u043bu044c seo.of pulses exceeding specified value, u0432u044bu0434u0435u043bu00a0u044eu0442 maximum reflected pulse in the cycle measurement. in the second cycle measurements are in line u0437u043eu043du0434u0438u0440u0443u044eu0449u0438u0435 controlled pulses with frequency u0437u0430u043fu043eu043bu043du0435u043du0438u00a0, u043eu0442u043bu0438u0447u0430u044eu0449u0435u0439u0441u00a0 from primary to a desired value. u0432u044bu00a0u0432u043bu00a0u044eu0442 maximum amplitude of reflected pulse and compares it with the u0430u043cu043fu043bu0438u0448 with