HIGHLY RELIABLE VOLTAGE TO FREQUENCY CONVERSION PRINCIPLE OVERCURRENT RELAYS.

被引：0

作者：

Al-Nema, M.A. ^{[1
]}

Ubaid, A.A. ^{[1
]}

机构：

[1] Technical Inst, Mosul, Iraq, Technical Inst, Mosul, Iraq

来源：

Journal of the Institution of Engineers (India): Electrical Engineering Division | 1986年 / 67卷

关键词：

OVERCURRENT PROTECTION;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Inverse time-overcurrent relays obey the relation I**nt equals constant and are used for the protection of transmission line and equipment. The value of index n is chosen to match the specific characteristic required by the system under consideration. This paper introduces an analog/digital overcurrent relay and uses an analog multiplier function generator that permits any choice of desired integer values of n. In this proposed technique, a highly reliable voltage to frequency converter of high noise immunity and low power consumption is used.

引用

页码：29 / 32

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