AN ELECTRONICALLY ENHANCED MAGNETIC CORE FOR CURRENT TRANSFORMERS

被引：40

作者：

MILJANIC, PN ^{[1
]}

SO, E ^{[1
]}

MOORE, WJM ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA, INST NATL MEASUREMENT STAND, OTTAWA K1A 0R8, ONTARIO, CANADA

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 1991年 / 40卷 / 02期

关键词：

D O I：

10.1109/TIM.1990.1032973

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An electronic technique which greatly increases the apparent permeability of the magnetic core of a current transformer, without a galvanic connection to either of the usual primary or secondary circuits, is described. The number of turns and the turns ratio can be selected independently as desired. Means are available for observing the waveform of the magnetizing current for the presence of even harmonics, thus indicating possible remanence or direct currents in the windings.

引用

页码：410 / 414

页数：5

共 8 条

[1] FRIEDL R, 1968, MESSTECHNIK, V76, P241
[2] GIBBINGS DLH, 1961, P I ELECTR ENG, V108, P339
[3] DEVELOPMENT AND PERFORMANCE OF CURRENT COMPARATORS FOR AUDIO FREQUENCIES
KUSTERS, NL
MOORE, WJM
[J]. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1965, IM14 (04) : 178 - &
[4] MILJANIC PN, 1970, Patent No. 3534247
[5] MOORE WJM, 1988, I ELEC ENG ELECTRICA, V4
[6] OBRADOVIC I, 1957, ELECTROTECH Z AUSG A, V78, P699
[7] A SELF-BALANCING CURRENT COMPARATOR
PETERSONS, O
[J]. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1966, IM15 (1-2) : 62 - +
[8] WIDEBAND 2-STAGE CURRENT TRANSFORMERS OF HIGH ACCURACY
SOUDERS, TM
[J]. IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 1972, IM21 (04) : 340 - &

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