Issue with Tripping Battery

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Elec-Eng

Member
Location
Niagara Falls
The battery used for tripping in a large substation is consisted of 24 x 2V battery cells. It was found the cover (seal) of one of the batteries was broken and peeled off. This cell will be replaced with a new one in the near future. But is there any immediate risk/concern such as a gas leak and possible explosion?
What immediate measures can be done to prevent the risks at this point?
Thanks.
 

kwired

Electron manager
Location
NE Nebraska
Even with the cover on it is likely your cells are designed to vent gases. If so you need proper ventilation to prevent buildup of gases to hazardous levels. Natural ventilation may be sufficient, but the more enclosed the space is the more the need for artificial ventilation.
 

Bugman1400

Senior Member
Location
Charlotte, NC
It depends on the type of battery. If its a VRLA, then it may be a problem since many of the battery rooms that contain these types of batteries are not properly vented. Most of the substation battery rooms I see have vented batteries, appropriate ventilation with a fan, and an H2 monitor.
 

Elec-Eng

Member
Location
Niagara Falls
The battery is Lead Acid and the room is well ventilated.
When replacing the battery cell, does it need to be replaced with the same manufacturer? Or it can be replaced with any manufacturer with the same voltage, amp/hour, capacity and dimensions?

Thanks
 
How old are the existing batteries? It's usually not a good idea to put a new one in a string that's rather old, where "rather old" depends on the cell construction. Or said another way, is it time to replace the whole string?
 
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