ALL-PASS MULTIPLE-ARM ALTERNATING CURRENT TRANSFORMER BRIDGE FOR MEASURING PARAMETERS OF THREE-PIECE DIPOLES USING SERIAL RLC CIRCUIT AND METHOD FOR ITS BALANCING Russian patent published in 2000 - IPC

Abstract RU 2150709 C1

FIELD: electric instruments. SUBSTANCE: method involves separate sampling of measured parameters according to switch turn number of grounded windings of voltage transformers with close inductive connection, when constant resistor is used in comparison arm and amplitude zero indicator is used in measuring arm of multiple-arm alternating current transformer bridge. Bridge balancing method involves balancing with respect to two different-type parameters at frequency, which is greater than given sampling frequency of measured parameters, and subsequent balancing operations with respect to sampling parameter of measured capacitance and sampling parameter of measured inductance at frequencies, which are less and greater than given frequency. EFFECT: increased precision and speed of parameters measurement using serial RLC circuit. 2 cl, 1 dwg

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RU 2 150 709 C1

Authors

Tjukavin A.A.

Dugushkin S.N.

Tjukavin P.A.

Khaziev T.A.

Dates

2000-06-10—Published

1999-03-16—Filed