Abnormal Waveforms

Example 1
PROBABLE CAUSE: Open circuit in diode

Fig 1: Identifying Voltage Abnormal Waveforms - Example 1
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Example 2
PROBABLE CAUSE: Short-circuit in diode

Fig 2: Identifying Voltage Abnormal Waveforms - Example 2
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Example 3
PROBABLE CAUSE: Open circuit in stator coil

Fig 3: Identifying Voltage Abnormal Waveforms - Example 3
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Example 4
PROBABLE CAUSE: Short-circuit in stator coil

Fig 4: Identifying Voltage Abnormal Waveforms - Example 4
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.