APPARATUS AND METHOD FOR FAULT DIAGNOSIS FOR CIRCUIT BREAKER

APPARATUS AND METHOD FOR FAULT DIAGNOSIS FOR CIRCUIT BREAKER

A fault diagnosis apparatus (100) and method (1200) for a circuit breaker (200), comprises at least one sensor (101) coupled to at least one mechanism (201) arranged in the circuit breaker (200) and configured to obtain waveform data of a parameter over time, the waveform data related to an operatio...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Zhang, Xin, Zhuang, Zhijian
Format: Patent
Sprache:eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:A fault diagnosis apparatus (100) and method (1200) for a circuit breaker (200), comprises at least one sensor (101) coupled to at least one mechanism (201) arranged in the circuit breaker (200) and configured to obtain waveform data of a parameter over time, the waveform data related to an operation state of the at least one mechanism (201); and a processing unit (102) coupled to the at least one sensor (101) and configured to analyze the waveform data to obtain at least one feature value (1220); determine a dissimilarity between the at least one feature value and a threshold matrix (1230); and in response to the dissimilarity being greater than a threshold dissimilarity, determine that the at least one mechanism (201) has a fault (1240). With the fault diagnosis apparatus (100), the fault in the at least one mechanism (201) of the circuit breaker (200) may be determined in advance.