DEVICE FOR MEASURING SYMMETRICAL COMPONENTS OF THREE-PHASE MAINS VOLTAGE

摘要

the invention u043eu0442u043du043eu0441u0438u0442u0441u00a0 of u043au043eu043du0442u0440u043eu043bu00a0 power quality systems u044du043bu0435u043au0442u0440u043eu0441u043du0430u0431u0436u0435u043du0438u00a0. purpose u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0 u00a0u0432u043bu00a0u0435u0442u0441u00a0 increased functional capacity by u0438u0437u043cu0435u0440u0435u043du0438u00a0 operating values u043du0430u043fu0440u00a0u0436u0435u043du0438u0439 symmetrical u0441u043eu0441u0442u0430u0432u043bu00a0u044eu0449u0438u0445 and u043au043eu044du0444u0444u0438u0446 u0438u0435u043du0442u043eu0432 of asymmetry and instability, as well as of nonsine u043du0430u043fu0440u00a0u0436u0435u043du0438u0439 three-phase power network.the device includes a block 1 u0441u0443u043cu043cu0438u0440u043eu0432u0430u043du0438u00a0 u043du0430u043fu0440u00a0u0436u0435u043du0438u0439, switch 2, u0443u043fu0440u0430u0432u043bu00a0u0435u043cu044bu0435 keys 3 - 5, block 6 u0443u043cu043du043eu0436u0435u043du0438u00a0, frequency multiplier 7, block 8, shift phase, u043fu0440u0435u043eu0431u0440u0430u0437u043eu0432u0430u0442u0435 do 9 code in the number of pulses, u0437u0430u0434u0430u0442u0447u0438u043a 10 non harmonic u0443u043fu0440u0430u0432u043bu00a0u0435u043cu044bu0435 keys 11 and 12, the filters 13 and 14