DEVICE Gutina KI Transmitting and receiving signals in three-phase POWER LINES

摘要

the transmission and reception of signals in a three-phase power transmission line medium containing u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 10 kv transformer 10 / 0.4 kv stipulated in paragraph transmission of signals, the primary winding of which is connected to a phase line of the average u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 10 kv, the secondary winding of the transformer 10 / 0.4 kv are connected to the phase circuits and the low u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 0.4 kw transmitterthe entrance of which u00a0u0432u043bu00a0u0435u0442u0441u00a0 information, transformer 10 / 0.4 kv, the paragraph of primary winding of which is connected to the secondary u043du0430u043fu0440u00a0u0436u0435 phases u043du0438u00a0 10 kv, the secondary winding of the transformer 10 / 0.4 kv are connected to a phase line of low u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 0.4 kv, u043eu0442u043bu0438u0447u0430u044eu0449u0435u0435u0441u00a0, a transmitter is connected to a phase b and c the 0.4 kvat the reception site introduced filter u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 symmetrical u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0438u0445 u043fu0440u00a0u043cu043eu0439 sequence (u0444u043du0441u0441u043fu043f), and is configured to filter the frequency 0, u043du0430u043fu0440u00a0u0436u0435u043du0438u00a0 u0441u0438u043cu043cu0435u0442u0440u0438 u0447u043du044bu0445 u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0438u0445 reverse sequence (u0444u043du0441u0441u043eu043f), which is tuned to the frequency of zero phase shift module, adder, compresses the filter (upf), with three entrances u0444u043du0441u0441u043fu043f are connected to the three phases of abc line 0.4 kvthe exit of which is connected to the entrance of u0444u0430u0437u043eu0432u0440u0430u0449u0430u0442u0435u043bu00a0, exit which is connected to the first front u0441u0443u043cu043cu0430u0442u043eu0440u0430, gate which is connected to the entrance of the upf, out of which u00a0u0432u043bu00a0u0435u0442u0441u00a0 information, three inputs are connected to the three phases u0444u043du0441u0441u043eu043f abc line 0.4 kv outlet which is connected to the second gate u0441u0443u043cu043cu0430u0442u043eu0440u0430.