PASSIVE METHOD FOR INJECTING CURRENT SIGNALS INTO THREE-PHASED LINE OF LOW 380V VOLTAGE WITH 50HZ FREQUENCY
FIELD: electric engineering, possible use during organization of communication channels with usage of three-phased 380V electricity supply lines without processing by high frequency rejecters. ^ SUBSTANCE: invention is realized due to optimal selection of working frequencies range with consideration...
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Zusammenfassung: | FIELD: electric engineering, possible use during organization of communication channels with usage of three-phased 380V electricity supply lines without processing by high frequency rejecters. ^ SUBSTANCE: invention is realized due to optimal selection of working frequencies range with consideration of lengths of 380V lines and also with consideration of absence of harmonic interferences of 50Hz frequency in selected frequency spectrum. ^ EFFECT: 100 times increased speed of transfer of current signals. ^ 1 dwg |
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