Compressor surge detection system
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United States of America Patent
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-
Jul 10, 1990
Grant Date -
N/A
app pub date -
Nov 7, 1988
filing date -
Nov 7, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a compressor system, surge detection is provided by sensing the current of the motor driving the compressor and reading oscillations of the current about the average thereof and above and below two opposite threshold levels from such average current and counting the polarity changes within a time interval containing so many samples of the current and defining a sliding window.
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