October 3, 2022

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How does gravity power storage work? (Video)

It’s attainable to retailer power within the so-called gravity battery. While you hear the identify, the very first thing that involves your thoughts might be quantum mechanics. Nonetheless, this sort of power storage gadget has nothing to do with quantum world.

Energy test tower.  Image credit: Caumasee via Wikimedia, CC-BY-SA-4.0

Vitality take a look at tower. Picture credit score: Caumasee qua WikimediaCC-BY-SA-4.0

From a mechanical perspective, gravity power storage makes use of heavy objects (for instance, concrete blocks) the place the saved power adjustments as you alter the peak at which these objects are suspended. . The precept of operation is straightforward: if you carry an object, its potential power will increase, and once they fall, the quantity of potential power collected decreases.

This concept could appear very new at first look, however it’s not. Consider the pendulum clock – the primary mannequin was invented in 1656 and it was powered utilizing a mechanical escapement managed by the drive of gravity. Pumped storage hydroelectric energy vegetation additionally match the definition of gravity power storage: the place water is pumped to increased heights utilizing unused electrical energy, after which launched by generators to get well saved power.

At this time, a minimum of a number of corporations are working to develop new varieties of large-scale gravity power storage programs, able to utilizing extra power from the grid to carry heavy objects into the air. , after which convert their potential power into electrical energy.

The next video discusses the present state of gravity battery know-how and presents a short comparability between the varieties of large-scale power storage accessible. It’s price noting that the flexibility to retailer gravity power is significantly better elevated storage prices (LCOS) versus different options:

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