Acoustic monitor for rotary electrical machinery

Details Acoustic monitor for rotary electrical machinery Acoustic monitor for rotary electrical machinery

G - Physics

01

N

349/31, 349/42

G01N 29/04 (2006.01) G01N 29/00 (2006.01) G01N 29/14 (2006.01)

Patent

CA 1271833

ABSTRACT OF THE DISCLOSURE Loose field windings in a rotating electrical machine are detected by sensing acoustic waves created by stator bars and stator wedges. A sensor is mounted on the rotor which responds to sensed acoustic waves by generating an elec- trical signal. The signal is suitably conditioned and transmitted by telemetry means to a computer for process- ing.

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