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3236 -- Motor Current Signature Analysis---A Potential Diagnostic for Air Conditioners

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3236 -- Motor Current Signature Analysis---A Potential Diagnostic for Air Conditioners

Conference Proceeding by ASHRAE, 1989

W.A. Miller, P.E.; H.D. Haynes; F.P. Griffin; W.R. Levins; M.A. Karnitz, Ph.D.

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Recent advancements in modem electronics have made it possible to collect the various "transient noise" signals that are present on electric power lines of motordriven equipment while using a simple non-intrusive, clamp-on inductive pickup. Electronic filters are used to analyze the noise signal with an on-the-spot, real-time analysis. An exploratory study, conducted at a national laborato~ examined the potential for using the motor current signature on heat pumps and air conditioners as a diagnostic tool Preliminary results show that there is some correlation between the motor current signature and the performance of a heat pump. However, tests and associated analysis were limited, and additional research is needed to determine the full potential of motor current signature analysis (MCSA).

Citation: ASHRAE Transactions, vol. 95, pt. 1, Chicago 1989

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Published: 1989 Number of Pages: 6File Size: 1 file , 1.1 MB Product Code(s): D-24509