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Digital Frequency Meter

Authors
Journal
Electric Power Systems Research
0378-7796
Publisher
Elsevier
Publication Date
Volume
21
Issue
1
Identifiers
DOI: 10.1016/0378-7796(91)90033-j
Disciplines
  • Design

Abstract

Abstract A digital frequency meter to measure power supply frequency in the range 48 – 52 Hz to an accuracy of three decimal places has been designed and constructed using an 8-bit micro-controller, Intel 8031. In addition to determining the frequency and frequency deviation, it also maintains a system clock and a synchronous clock and finds the time difference between them as a measure of the time integral of frequency deviation over a given period.

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