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Insulation resistance measuring device having self-fault diagnosis function and self-fault diagnostic method using the same
Insulation resistance measuring device having self-fault diagnosis function and self-fault diagnostic method using the same
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机译:具有自故障诊断功能的绝缘电阻测量装置及使用其的自故障诊断方法
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摘要
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.
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