Event
- Event ID
- 182
- Quality
- Description
- The incident occurred in the turbine-generator hall of a nuclear power plant. Hydrogen leaked from the alternator and ignited.
The hydrogen line was purged to stop the leak. The plant employees were able to stop the fire in one hour. An assessment of the concentration of hydrogen in the hall did not reveal the presence of an explosive mixture. - Event Initiating system
- Classification of the physical effects
- Hydrogen Release and Ignition
- Nature of the consequences
- Fire (No additional details provided)
- Macro-region
- Europe
- Country
- France
- Date
- How was it involved?
- Leak & Formation Of A Flammable H2-Air Mixture
- Initiating cause
- Unknown
- Root causes
- Unknown (No additional details provided)
Facility
- Application
- Power Plant
- Sub-application
- nuclear power plant
- Hydrogen supply chain stage
- All components affected
- alternator, turbine-generator hall
- Location type
- Confined
- Location description
- Industrial Area
- Operational condition
Emergency & Consequences
- Number of injured persons
- 0
- Number of fatalities
- 0
- Environmental damage
- 0
- Property loss (onsite)
- 0
- Property loss (offsite)
- 0
- Post-event summary
- Explosivity measurements were made in the whole power plant : no anomaly were found.
- Emergency action
- The automatic sprinkler system of the lab activated estinguishing the fire.
Event Nature
- Release type
- gas
- Involved substances (% vol)
- H2 100%
- Presumed ignition source
- Not reported
References
- Reference & weblink
Event description in the French database ARIA<br />
https://www.aria.developpement-durable.gouv.fr/accident/24741/<br />
(accessed January 2023)<br />
JRC assessment
- Sources categories
- ARIA
