2.4.4 Fire Suppression System
Figure 2-19 Position of the re suppression system
2.4.4.1 Rack Mounted Fire Extinguishing System
1. The rack mounted re extinguishing system is pre-integrated in the cabinet.
2. The extinguishant is
peruorohexanone which features high insulation,
environment friendly, and quick re extinguishing and cooling.
Working Principles
The rack mounted re extinguishing system adopts the thermo bulb and electric
startup mode.
● When the temperature inside the cabinet is higher than the temperature of
the thermo bulb for a certain period of time, the thermo bulb breaks to start
the rack mounted
re extinguishing system.
● When the external re suppression system detects a re, it triggers the
electric start signal of the rack mounted
re suppression system and opens
the storage device of the extinguishant. The extinguishant is released through
the nozzle to cool down and put out the re.
● The thermo bulb can also work normally during electric startup.
● When a
re occurs, the thermo bulb can start the rack mounted re extinguishing
system even if the electric startup mode fails. This ensures that the rack mounted re
extinguishing system can be started reliably.
LUNA2000-200KWH-2H1 Smart String ESS
User Manual 2 Product Description
Issue 03 (2023-03-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 45
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