Offshore Drilling and Production Generator Sets
7CM46DF
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Minimum Rating7640 kV·A
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Maximum Rating8190 kV·A
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EmissionsIMO Tier II
Engine Specifications
- Minimum Rating
- 7640 kV·A
- Maximum Rating
- 8190 kV·A
- Emissions
- IMO Tier II
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Engine
- Motor-driven barring gear, fitted on engine
- Reversing contractor and pushbutton switch with cable
- Electronic speed setting equipment with actuator and speed pick-up
- Emergency shutdown equipment with pushbutton, separate, for manual emergency stop
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Engine Indicators
- Gauge board with set liquid damped pressure gauges for: fuel, lubricating oil, fresh water, starting air, charge air
- On-engine thermometers for fuel, lubricating oil, fresh water and charge air
- Electric remote speed indicator
- Turbocharger and remote speed indicator
- Exhaust gas temperature indicator
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Control System
- Manual control on engine, including: control panel with start/stop key, speed setting device, mechanical shutdown device, change over of control functions from engine to remote control
- Starting solenoid valve on engine, 24 V DC
- Separate electronic speed governor
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Monitoring for Unattended Operation
- Pressure switches, mounted on engine
- Control Cabinet with housings for wall mounting, including: Protection equipment designed for automatic and manual stop input signals, starting interlock input signals, monitoring for the wire break of the input signal units and the emergency shutdown solenoid / Speed recording system for over speed, firing speed and minimum speed / Service hour counter
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Starting Air System
- Separate non-return valve for the starting air pipe to the engine
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Air Inlet System
- Air intake filter, separate
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Gas System
- Double-walled gas piping to support an inherently safe engine room concept
- Leakage detection
- Gas valve unit
- Segmented gas detection system on request
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Micro pilot fuel injection system
- Gear driven high pressure fuel pump and filter system with easy service access
- Reliability combined with service and maintenance simplicity, through individual ignition fuel injector and “in-cylinder head” integrated ignition fuel return pipes
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Fuel System
- Circulating pump, separate, electric motor driven
- Duplex filter with differential pressure indication
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Exhaust System
- Turbocharger at free end with transition nozzle (0 degree from the vertical and away from engine), with compressor cleaning device
- Expansion joint separate
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Cooling System
- HT pump, separate on module, vertical design, electric motor driven
- LT pump, separate on module, vertical design, electric motor driven
- HT thermostat, not powered and separate on module
- Engine preheating equipment, fitted on base frame
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Lube System
- Plate cooler, separate on module
- Force pump, fitted on engine
- Pre-Lubrication pump, separate on module, electric motor driven
- Automatic back flushing filter, fitted on engine
- Duplex filter with differential pressure indication, separate on module
- Pressure control valve, fitted on engine
- Thermostats, not powered, separate on module
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Connection Parts-Engine
- Set of connecting parts between flange coupling and flywheel
- Flexible flange coupling between engine and generator
- Base frame with flywheel guard and incorporating lube oil sump tank, for engine and generator
- Mounting of engine and generator on the base frame
- Set of bonded rubber rails for resilient mounting of the base frame
- Set of flexible pipe connection
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Tools
- Set of tools for the engine including hydraulic tightening tools and nozzle tester
- Set of tools for turbocharger
- Inside micrometer for cylinder liners
- Ruler for cylinder liner
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Spare Parts
- Set of engine spare parts for unrestricted operation
- Set of spare flexible pipe connections
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Monitoring for Unattended Operation
- Start/stop logic, controlled by engine automatic start
- Optional alarm system, cassette type, designed for alarm inputs for the engine including exhaust mean-value monitoring equipment as well as alarm inputs for the propulsion plant
- Optional group alarm panel for the bridge and with optional and acoustic alarm equipment
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Starting Air System
- Air bottle, separate
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Exhaust System
- Separate silencer and spark arrester, unlagged 35 dB(A)