The development of 5 nF parallel-plate capacitors with low voltage coefficient

Author

Haiming Shao ; Wenfeng Li ; Dongxue Dai ; Bo Liang ; Feipeng Lin

Author_Institution

Nat. Inst. of Metrol. of China, Beijing, China

fYear

2014

fDate

24-29 Aug. 2014

Firstpage

286

Lastpage

287

Abstract

This paper focus on the research of a parallel-plate air capacitor, which used as the low voltage arms in capacitive voltage ratio standards for power frequency. The electrodes of this newly-developed capacitor are made of Invar Alloy and placed in parallel. It can achieve large capacitance, low voltage dependence (VC) and low dissipation. These 5 nF standard capacitors were calibrated by using the 2:1 doubling voltage method with a current-comparator-based bridge, and the VC of which is 1.74×10^-5/kV.

Keywords

bridge circuits; calibration; capacitance measurement; capacitors; current comparators; frequency measurement; measurement standards; power measurement; voltage measurement; calibration; capacitance 5 nF; capacitive voltage ratio standard; current-comparator-based bridge; doubling voltage method; electrode; invar alloy; low voltage coefficient; parallel- plate air capacitor; power frequency standard; Capacitance; Capacitors; Current measurement; Electrodes; Low voltage; Standards; current comparator; dissipation; doubling voltage method; parallel-plate air capacitor; voltage coefficient;

fLanguage

English

Publisher

ieee

Conference_Titel

Precision Electromagnetic Measurements (CPEM 2014), 2014 Conference on

Conference_Location

Rio de Janeiro

ISSN

0589-1485

Print_ISBN

978-1-4799-5205-2

Type

conf

DOI

10.1109/CPEM.2014.6898371

Filename

6898371