Capacitive signal coupler

Details Capacitive signal coupler Capacitive signal coupler

G - Physics

01

R

324/17, 324/47

G01R 31/34 (2006.01) H02K 11/00 (2006.01)

Patent

CA 1177538

Case 2746 CAPACITIVE SIGNAL COUPLER ABSTRACT OF THE DISCLOSURE A capacitive signal coupler for use with a large dynamoelectric machine for coupling signals indicative of corona discharge from the stator bars to a monitor system is combined with an end cap made to fit over the connector extending between two stator bars. The end cap has a high voltage capacitor encapsulated in its walls. One lead from the capacitor is fastened to the connector with a screw before the end cap is installed. The other lead projects from the end cap and is connected to one terminal of a high voltage fuse. The fuse is secured to the end cap. The other terminal of the fuse is adapted to be connected to a cable leading to a monitor system. The coupler is preferably fastened to the lower end of the conductors of a vertical dynamoelectric machine where there is a full range of choice of location in the circuit voltages from line to neutral in two bar steps. The end cap is epoxy sealed in place to make an installation requiring little more space than the installation of a normal end cap.

391540

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