Process Air Compressor - Surging

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mohsinmkr
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Process Air Compressor - Surging

Post by mohsinmkr »

We are facing an issue with Process air compressor anti-surge control system. While deviation remains as high as 0.07, during load reduction (10%), on the reduction of 100 rpm slowly, the machine detected surge and opened antisurge valves while no conditions related to flow and pressure change were observed. This is a Manturbo machine and operates at ~6300 rpm. Is anyone facing the same issue?
irfanahmad1971
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Re: Process Air Compressor - Surging

Post by irfanahmad1971 »

I think flow/pressure indications going to deviation meter to be verified
snpokar1
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Re: Process Air Compressor - Surging

Post by snpokar1 »

Speed reference is also taken in Antisurge control system algorithm along with flow & compression ratio. Pl. ensure control algorithm of Surge control system..
PKS1964
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Re: Process Air Compressor - Surging

Post by PKS1964 »

You may share your operating data with compressor interstage flow, pressure and temperature. I will try to get reason for surging.
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