FIELD: compressors; surge protection devices of turbocompressors.
SUBSTANCE: invention makes it possible to improve quality of diagnosing of surging, thus increasing sphere of practical application of equipment. Proposed method of diagnosing of surging is based on usage of covariation of signals from pickups whose measured parameters present surges with correlation. Used as criteria of revealing of surge is result of comparison pf parameter of surge equal to covariation of signals of measured parameter with threshold value. System to reveal surging contains compression parameters pickups 2 and 3 installed on compressor plant 1, low-pass filters 4, 5, and 9, summers 6 and 7, multiplier 8, comparator 10 and switch off delay element 11.
EFFECT: enlarged sphere of application.
9 cl, 2 dwg
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