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Accurate power monitoring for electric arc furnaces.

Authors
Hartman-AD; Ochs-TL
Source
Albany, OR: U.S. Department of the Interior, Bureau of Mines, RI 9502, 1994 Jan; :1-5
Link
NIOSHTIC No.
10012356
Abstract
Standard metering of electric arc furnaces usually uses root mean square (RMS) or true root mean square (TRMS) measurements for determining power. In order to obtain better signals for both monitoring and control, a study of instantaneous, RMS, and TRMS power monitoring devices was conducted. From the study it was concluded that precision integrated circuits should be used to obtain instantaneous power with a bandwidth of at least 25 kHz. The information from these devices is more representative than that of standard meters and can be used in predictive control.
Keywords
Energy-conservation; Measuring-instruments; Integrated-circuits; Chips-electronics; Electric-arc-furnaces; Steel-making
Publication Date
19940101
Document Type
Report of Investigations
Fiscal Year
1994
NTIS Accession No.
PB94-171931
NTIS Price
A03
Identifying No.
RI-9502
NIOSH Division
ALRC
Source Name
Albany, OR: U.S. Department of the Interior, Bureau of Mines, RI 9502
State
OR
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