ISOLATION RESISTANCE MEASURING APPARATUS HAVING FAULT SELF-DIAGNOSING FUNCTION AND SELF-DIAGNOSING METHOD USING THE SAME

ISOLATION RESISTANCE MEASURING APPARATUS HAVING FAULT SELF-DIAGNOSING FUNCTION AND SELF-DIAGNOSING METHOD USING THE SAME

Disclosed is an isolation resistance measuring apparatus having a fault self-diagnosing function. The isolation resistance measuring apparatus having a fault self-diagnosing function forms a diagnosis circuit by means of a first isolation resistance measuring unit and a second isolation resistance m...

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Bibliographische Detailangaben
Hauptverfasser: LEE JOONG-WOO, BACK SEUNG WON, JANG JIN-SU
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
TESTING
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Beschreibung
Zusammenfassung:Disclosed is an isolation resistance measuring apparatus having a fault self-diagnosing function. The isolation resistance measuring apparatus having a fault self-diagnosing function forms a diagnosis circuit by means of a first isolation resistance measuring unit and a second isolation resistance measuring unit respectively connected to a cathode terminal and an anode terminal of a battery, and includes a control unit for determining whether a fault arises at the isolation resistance measuring apparatus by using a circuit equation derived from the diagnosis circuit and first and second diagnosis voltages. Therefore, the isolation resistance measuring apparatus may diagnose whether a fault arises at a device which measures isolation resistance of a battery.