6.6 Integrated gas pressure regulation
The integrated gas pressure regulation (iGPR) controls the gas pressure of the gas that is
supplied to the engine inlet. The iGPR control system has also other functions as follows:
•
It removes contamination of the supplied gas with a gas filter.
•
It measures the gas quantity with a flow meter.
•
It measures temperature and pressure of the gas.
Fig 6-10 iGPR - schematic diagram
In the chapters that follow you find a short description of the automatic control functions for the
iGPR control system.
6.6.1 Transfer to gas operation
If you have to change to gas operation, you have to start the gas mode, refer to section 8.15
Change-over to and from gas.
Then the iGPR control system automatically starts the transfer sequence as follows:
•
Starts step 1 (FGSS preparation):
â—‹
Waits for the signal FGSS is ready.
NOTE: All valves are in diesel operation position.
â—‹
Activates the FGSS ready signal from PCS to iGPR.
X92DF
AA00-8904-00AAA-043A-A
Operation Manual Integrated gas pressure regulation
Winterthur Gas & Diesel Ltd.
- 284 - Issue 002 2020-08
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