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2 028 632

(13)

C1

(51)

IPC

(21) (22)

Application

4915077/21, 1991-02-28

(22)

Actual filing date

1991-02-28

(45)

Published

1995-02-09

(72)

Inventor

Kitaev A.M.

(73)

Holder

Tsentral'Nyj Nauchno-Issledovatel'Skij Institut Sudovoj Ehlektrotekhniki I Tekhnologii

DEVICE FOR SELECTIVE CHECK-UP INSULATION RESISTANCE AND CAPACITANCE Russian patent published in 1995 - IPC

Abstract RU 2028632 C1

FIELD: electric measurement technology. SUBSTANCE: device has noncommercial-frequency current source, zero-sequence voltage filter, current sensor, switch, band filters, amplifiers, rectifier, low-frequency filter, indicators, two phase-sensing elements, phase shifter, vector-sum modulo calculating unit, double-threshold switch, and warning unit. EFFECT: improved reliability of device. 2 cl, 1 dwg

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RU 2 028 632 C1

Authors

Kitaev A.M.

Dates

1995-02-09—Published

1991-02-28—Filed

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