Passive Safety Mechanisms

Passive Safety Mechanisms

Passive Safety Mechanisms

08/08/19

“How can we have safety mechanisms without having to use backup power?”

Numerous large-scale infrastructure projects such as nuclear power plants and factories have active safety mechanisms which use electrical power to partially restore service during a harmful event. However, in many scenarios infrastructure operators do not have the luxury of providing energy. This can be solved through Passive Safety Mechanisms which do not require any active energy input. An example of a passive safety mechanism is found in small modular nuclear reactors. These reactors are held up by an electromagnetic force with a pool of water underneath, and when power is cut the unit simply falls into the water to be cooled and prevent nuclear catastrophe. 

Image credit https://arc-anglerfish-arc2-prod-pmn.s3.amazonaws.com

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