The determination of the evolution of gas dielectric standard capacitor over the frequency range from 1 mHz to 20 Hz

Author

Kubeitari, M.

Author_Institution

Nat. Stand. & Calibration Lab., Damascus, Syria

fYear

1990

fDate

11-14 June 1990

Firstpage

358

Lastpage

359

Abstract

A measuring procedure for determining the capacitance and the dissipation factor of low-loss capacitors over the frequency range from 1 mHz to 20 Hz is described. The determination of the correction factors due to the imperfection of the different elements used in the measuring circuit is also examined. The principle is to measure the absorption current of the capacitor due to a step voltage by an integrating method. The accuracy of measurement is expected to be a few PPM at 1 mHz.<>

Keywords

bridge instruments; calibration; capacitance measurement; capacitors; computerised instrumentation; measurement standards; microcomputer applications; 1 mHz to 20 Hz; absorption current; bridge; correction factors; dissipation factor; gas dielectric standard capacitor; integrator; low-loss capacitors; microcomputer; Capacitance measurement; Capacitors; Current measurement; Dielectric loss measurement; Dielectric measurements; Frequency measurement; Integrated circuit measurements; Loss measurement; Measurement standards; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Precision Electromagnetic Measurements, 1990. CPEM '90 Digest., Conference on

Conference_Location

Ottawa, Ontario, Canada

Type

conf

DOI

10.1109/CPEM.1990.110058

Filename

110058