3.3 Monitoring, Control and Regulation Equipment
3.3.1 Gas engine phase 4 system – Overview
General overview
1 Unit system
2 Engine system
3 System
4 Engine Control Unit
5 Engine Monitoring Unit
6 Throttle flaps
7 Gas dosing unit
8 Knock module
9 Ignition
10 Compressor bypass
11 NOx sensor (optional)
Regulation/control/monitoring
Engine Control Unit ECU-9
• Controls engine starting, stopping and emergency stop
• Monitors engine operating parameters
• Controls throttle flaps and sets gas mixture for requested speed/power
• Monitors first gas solenoid in gas train to engine
Engine Monitoring Unit EMU 8
• Monitors second gas solenoid in gas train to engine
Compressor bypass (F series)
• Controls throttle flap reserve, prevents compressor surges
Woodward or Motortech ignition system (depending on design)
• Adjusts ignition timing for cylinders
MS150116/04E 2018-04
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