ELECTRIC ENERGY METER IN MULTIPHASE NETWORK ( VARIANTS ) Russian patent published in 2001 - IPC

FIELD: electric measurement technology. SUBSTANCE: proposed electric energy meter has three current transmitters coming in the form of shunts interposed in phases A, B and C correspondingly and fitted with potential leads-out, three voltage transmitters manufactured in the form of resistive voltage dividers, three signal formers in proportion to electric power consumed by users connected correspondingly to phases A, B and C of network, first, second, third and fourth power supply units, three-channel optoelectron connector incorporating first, second and third optrons, storage unit with three inputs and indicator. EFFECT: increased operational parameters of meter with simultaneous simplification of design and reduced cost of its installation. 4 cl, 2 dwg