3.6 Monitoring, Control and Regulation Equipment
3.6.1 Gas engine phase 4 system – Overview
General overview
1 Unit system
2 Engine system
3 System
4 Engine governor
5 Engine monitoring
6 Empty
7 Throttles
8 Gas dosing unit
9 Knock module
10 Ignition
11 Compressor bypass
12 NOx sensor (optional)
Governing/control/monitoring
Engine Control Unit ECU-9
• Controls engine starting, stopping and emergency stop
• Monitors engine operating parameters
• Controls throttles 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 reserve, prevents compressor surges
Woodward or Motortech ignition system (depending on version)
• Adjusts ignition timing for cylinders
36 | Monitoring, Control and Regulation Equipment | MS150104/03E 2017-09
TIM-ID: 0000043155 - 003
