Small off-grid compressed air energy storage power station for household use

Can a compressed air energy storage system be designed?

Designing a compressed air energy storage system that combines high efficiency with small storage size is not self-explanatory, but a growing number of researchers show that it can be done. Compressed Air Energy Storage (CAES) is usually regarded as a form of large-scale energy storage, comparable to a pumped hydropower plant.

What is compressed air energy storage (CAES)?

Compressed Air Energy Storage (CAES) can store surplus energy from wind generation for later use, which can help alleviate the mismatch between generation and demand. In this study, a small-scale CAES system, utilizing scroll machines for charging and discharging, was developed to integrate into a wind generation for a household load.

What is small scale compressed air energy storage (Ss-CAES)?

Today, small scale compressed air energy storage (SS-CAES) are also recently applied as an alternative to replace batteries in autonomous systems and as storage for intermittent renewable sources, promoting load leveling. These systems require compact and efficient power stages, with remarkable presence of power electronics.

Can adiabatic compressed air energy storage be combined with a photovoltaic power unit?

In this study, the authors propose a novel small-scale adiabatic compressed air energy storage (CAES) system in combination with a photovoltaic power unit. This renewable power plant has to supply the energy demand of an off-grid BTS (base transceiver station).

Can a small-scale energy storage system integrate into a household load?

In this study, a small-scale CAES system, utilizing scroll machines for charging and discharging, was developed to integrate into a wind generation for a household load. A simulation model, which was verified by our experiments results, was constructed for investigating the performance of the small-scale energy storage system.

Where can decentralised compressed air energy storage be installed?

The main reason to investigate decentralised compressed air energy storage is the simple fact that such a system could be installed anywhere, just like chemical batteries. Large-scale CAES, on the other hand, is dependent on a suitable underground geology.