FIELD: measuring instruments for power engineering. SUBSTANCE: automatic voltage monitoring device has metering moment setting element 1, analog-to-digital converter 2, rated voltage setting element 3, control unit 4, maximum and minimum code discriminating units 5 and 6, respectively, squarers 7 and 8, second arithmetic unit 9, first arithmetic unit 10 with two complementing inputs and complementing output, adding counter 11, square-root extractor unit 12, OR gates unit 13, ratio meter 14, and display unit 15. EFFECT: enlarged functional capabilities. 2 cl, 5 dwg
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---|---|---|---|
DEVICE FOR MONITORING ELECTRICAL ENERGY CHARACTERISTICS | 1991 |
|
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0 |
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SU1777095A2 | |
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Authors
Dates
1995-01-09—Published
1991-05-24—Filed