Generator stator winding diagnostic system
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United States of America Patent
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Oct 6, 1987
Grant Date -
N/A
app pub date -
Jul 16, 1985
filing date -
Jul 16, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A diagnostic system for an electrical generator winding which has first and second passages for conduction of cooling gas. The temperature of the gas exiting the passages is determined and converted to a normalized value which may be either high, low or normal. A diagnostic computer determines the existence of predetermined combinations of high, low or normal for the two readings and these predetermined combinations are utilized by the computer which generates respective confidence factors in the existence of certain abnormal generator conditions such as open conductors, broken or blocked cooling gas passages, and sensor malfunctions, by way of example.
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