Event
- Event ID
- 283
- Quality
- Description
The fire occurred at the turbine-generator unit of a power plant.
A first hydrogen leakage took place from a 4 bolt flange. It ignited producing a small but intense flame, causing further hydrogen leakage from another component and subsequently a major lube and seal oil fire. No ignition source could be identified.- Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- fire
- Macro-region
- Europe
- Country
- United Kingdom
- Date
- Component involved
- H2 coolant system (flange)
- Failure mode
- leak & ignition
- Initiating cause
- unknown
- Root causes
- Unknown
- Date entry in HIAD
- 28/02/2009
Facility
- Application
- Power plant
- Sub-application
- unspecified power plant
- Hydrogen supply chain stage
- All components affected
4-bolt flange, generator cooling system.
- Process temperature range [C]
- Above ambient temperature (50°C to 100°C)
- Location type
- Unknown
- Location
- unknown
- Operational condition
Emergency & Consequences
- Number of fatalities
- 0
- Number of injured persons
- 0
- Emergency action
Fire extinguished by station staff and fire brigade.
In-depth data
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Release temperature [°C]
- 25
- Probable IGNITION SOURCE
References
- Sources categories
- HSE
- Reference & weblink
Event description provided by HSE, original source confidential
