Høglund Equipment
Seismic Compressor Control
Control system for multiple screw compressors on seismic vessels, keeping stable air pressure to gun arrays via RPM control and Fisher release valves while cutting power use and noise.
Description
Høglund Seismic Compressor Control manages multiple screw compressors to ensure a stable pressure supply to seismic gun arrays, while reducing power consumption and onboard noise and maintaining reliability, safety and redundancy. Pressure is kept within limits using both compressor RPM control and Fisher atmospheric release valves.
Benefits
- Stable supply pressure to the gun arrays
- Reduced power consumption and noise
- Stable, balanced electrical grid load
- Easy changes between operating modes
Key functions
- Compressor start and stop control
- Capacity control through RPM regulation
- Demand-based minimum number of running compressors
- Cascade Fisher valve regulation
- Multiple control locations
- Selectable pressure sensor process value
- Critical RPM avoidance by speed offset between compressors
Applications
Seismic survey vessels.
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