DEVICE FOR MEASURING RESISTANCE OF WINDING OF MULTIWINDING LIVE TRANSFORMER

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 to u044du043bu0435u043au0442u0440u043eu0438u0437u043cu0435u0440u0438u0442u0435u043bu044cu043du043eu0439 technology, namely u0434u043bu00a0 u0438u0437u043cu0435u0440u0435u043du0438u00a0 u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 devices, and can be used u0434u043bu00a0 u0438u0437u043cu0435u0440u0435u043du0438u00a0 active ocan u043eu0442u0438u0432u043bu0435u043du0438u00a0 u043cu043du043eu0433u043eu043eu0431u043cu043eu0442u043eu0447u043du044bu0445 windings of transformers with at least one unused secondary coil.the purpose of u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 - improved security service personnel u0434u043eu0441u0442u0438u0433u0430u0435u0442u0441u00a0 by galvanic u0440u0430u0437u0432u00a0u0437u043au0438 power and measuring circuits.the device includes a source of u043fu0438u0442u0430u043du0438u00a0 with terminals 1 u0434u043bu00a0 u043fu043eu0434u043au043bu044eu0447u0435u043du0438u00a0 primary winding of the transformer, the secondary winding of a power terminal 2 u0434u043bu00a0 u043fu043eu0434u043au043bu044eu0447u0435u043du0438u00a0 t u0440u0430u043du0441u0444u043eu0440u043cu0430u0442u043eu0440u0430 load 3, a transformer 4, a current transformer 5 u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0, two keys 6 and 7, two filter 8 and 9, the adder 10, u0432u044bu043fu0440u00a0u043cu0438u0442u0435u043bu044c 11, block 12 u0434u0435u043bu0435u043du0438u00a0,the terminals 13 and 14 u0434u043bu00a0 free u043fu043eu0434u043au043bu044eu0447u0435u043du0438u00a0 secondary winding of the transformer. the device while ensuring the equality of the transformation of the winding connected to u043au043bu0435u043cu043cu0430u043c 14 and the transformer 5 u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 in indicator, a u0437u043du0430u0447u0435u043du0438 e active u0441u043eu043fu0440u043eu0442u0438u0432u043bu0435u043du0438u00a0 winding of the transformer. 1 il.