NDLI: Power quality and factory automation

Content Provider	IEEE Xplore Digital Library
Author	Wagner, V.E. Andreshak, A.A. Staniak, J.P.
Copyright Year	1988
Description	Author affiliation: Detroit Edison, MI, USA (Wagner, V.E.; Andreshak, A.A.; Staniak, J.P.)
Abstract	Limited information exists on the power quality profile and requirements of large automated manufacturing plants. A case study is described to monitor power quality disturbances at a representative plant and identify the disturbances that disrupt production. The sensitivities of representative electronic control equipment to the identified disturbances were measured and then projected to form a plant disturbance threshold. For the monitoring effort, six disturbance analyzers were installed at four voltage levels extending from the utility 40 kV station to 120 V control power in an individual machine tool. Voltage sags were the only disturbance at 68% of the total number of events recorded. Two PLC (programmable logic controller) transfer lines and a CNC (computerized numerically controlled) lathe were tested with a sag generator to determine the sensitivities of the equipment. The calculated sag threshold at the utility feed to the plant to disrupt production was 87% of nominal voltage for more than 8.3 ms.<>
Starting Page	1391
Ending Page	1396
File Size	604417
Page Count	6
File Format	PDF
DOI	10.1109/IAS.1988.25240
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1988-10-02
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Condition monitoring Programmable control Power quality Production Electronic equipment manufacture Control equipment Machine tools Voltage control Computer numerical control Manufacturing automation
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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