Accidental Production of Hydrogen from a Backup Battery Unit
Following a loss of power the failure of a backup battery causes an alarm in a hydrogen storage facility. Consequently, a valve on the purge circuit and 30 m3 of hydrogen is released to the atmosphere.
Event Date
November 27, 1987
Record Quality Indicator
Region / Country
Event Initiating System
Classification of the Physical Effects
Nature of the Consequences
Causes (Select all applicable options):
Cause Comments
Immediate cause is power failure on a safety circuit.
Application Type
Application
Specific Application Supply Chain Stage
Components Involved
hydrogen storage system
Storage/Process Medium
Location Type
Location description
Unknown
Pre-event Summary
Power failure and triggering of the backup system
Emergency Action
Unknown
Release Type
Release Substance
Hydrogen Release Concentration (%)
100.00
Release Amount (kg)
2.70
Detonation
No
Deflagration
No
High Pressure Explosion
No
High Voltage Explosion
No
Source Category
References
Original description in database ARIA
https://www.aria.developpement-durable.gouv.fr/accident/15757/
(accessed September 2020)