Event
- Event ID
- 411
- Quality
- Description
An oil leak in a hydrogen compressor was identified by a technician performing regular maintenance on the compressor.
The oil leak had caused a contamination of the entire hydrogen system from the compressor to the filling nozzle.- Event Initiating system
- Classification of the physical effects
- No Hydrogen Release
- Nature of the consequences
- Macro-region
- Europe
- Country
- Norway
- Date
- Component involved
- compressor / booster / pump
- Failure mode
- damage, no release
- Initiating cause
- unknown
- Root CAUSE analysis
The contamination was noted during maintenance, but occurred before, during normal operation.
- Root causes
- Unknown
- Date entry in HIAD
- 01/01/2017
Facility
- Application
- Hydrogen refuelling station
- Sub-application
- hydrogen compression
- Hydrogen supply chain stage
- All components affected
oil, compressor membrane,
dispenser,
filling nozzle- Location type
- Unknown
- Location
- unknown
- Operational condition
- Pre-event occurrences
The contamination was noted during maintenance, but occurred during before, during normal operation.
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Post-event summary
Air Liquide stopped the production of Hydrogen and the filling of the buses and the entire system from compressor to the filling nozzle was taken apart and cleaned.
Lesson Learnt
- Corrective Measures
An oil leak detection system (coalescent filter and optical sensor), was installed.
In-depth data
- Release type
- no release
- Probable IGNITION SOURCE
References
- Sources categories
- Investigation report
- Reference & weblink
Provided to JRC by the operator of the facility (confidential)
