Title:
SYSTEM AND METHOD FOR ACOUSTIC INTEGRITY MONITORING
Document Type and Number:
WIPO Patent Application WO2001071747
Kind Code:
A3
Abstract:
A method and system are disclosed for monitoring vacuum integrity in a vacuum interrupter. The method comprises injecting sonic signals into a body and detecting sonic signals reflected from the body. A composite value is calculated from the reflected sonic signals and a determination made based on the composite value as to whether the vacuum is acceptable. The system comprises the following components: a transducer for sending sonic signals into a body; a receiver for receiving sonic signals reflected from the body; a signal processor for calculating a composite value from the sonic signals reflected from the body; and a processing unit for determining from the composite value whether the body has an acceptable vacuum therein.
Inventors:
LANNI ARTHUR L
GLINKOWSI MIETEK T
GLINKOWSI MIETEK T
Application Number:
PCT/IB2001/001077
Publication Date:
May 30, 2002
Filing Date:
March 13, 2001
Export Citation:
Assignee:
ABB T & D TECHNOLOGY LTD ZURIC (CH)
International Classes:
H01H33/668; (IPC1-7): H01H33/66
Foreign References:
| DE19539535A1 | 1997-04-30 | |||
| DE19526394A1 | 1997-01-23 |
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