Data processing: measuring – calibrating – or testing – Measurement system – Performance or efficiency evaluation
Reexamination Certificate
2011-08-16
2011-08-16
Nghiem, Michael P (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Performance or efficiency evaluation
C307S126000, C361S003000, C324S424000
Reexamination Certificate
active
08000933
ABSTRACT:
A method and an apparatus for showing data representative of the accuracy of switching operations executed by a high-voltage switchgear which is operatively coupled to a power line and to a synchronous switching device. Data related to switching operations executed by the high-voltage switchgear is recorded and then, based on the recorded data, values indicative of the accuracy of the switching operations executed with respect to predefined target switching operations are calculated. A histogram is formed using the calculated values and shown to a user.
REFERENCES:
Thomas, R., Controlled Switching of High Voltage SF6 Circuit Breakers for Fault Interruption, 2004, Thesis for the Engineering Degree, Department of Electric Power Engineering, Chalmers University of Technology, Goteborg, Sweden, 259 pp.
Mendik Michael
Poeltl Anton
ABB Technology AG
Le Toan M
Nghiem Michael P
Prewitt Michael C.
Rickin Michael M.
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