Compact Wideband High-Current ( ≥ 1000 A) Multistage Current Transformers for Precise Measurements of Current Harmonics

Author

So, Eddy ; Bennett, David

Author_Institution

Inst. for Nat. Meas. Stand., National Res. Council of Canada, Ottawa, Ont.

Volume

56

Issue

2

fYear

2007

fDate

4/1/2007 12:00:00 AM

Firstpage

584

Lastpage

587

Abstract

In this paper, an overview of the development and performance of special compact-and-lightweight wideband high-current multistage current transformers for precise measurements of current harmonics at the National Research Council of Canada is described. These include current transformers with ratios of 1000 A/5 A and higher, with ratio errors of less than 5 10^-6 in both magnitude and phase with burdens up to 0.5 Omega and at frequencies up to 5 kHz

Keywords

current transformers; power system harmonics; power system measurement; power transformers; National Research Council of Canada; compact wideband high-current transformers; current harmonics; multistage current transformers; precise measurements; Capacitance; Councils; Current measurement; Current transformers; Dynamic range; Frequency; Magnetic cores; Magnetic shielding; Permeability; Wideband; Compact; current harmonics; current transformer; high current; light weight; multistage; wide dynamic range; wideband;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/TIM.2007.890802

Filename

4126913