Micro compressed air energy storage power generation system

Is a small scale compressed air storage system suitable for micro-grid applications?

Compared with other energy storage technologies, CAES is proven to be a clean and sustainable type of energy storage with the unique features of high capacity and long-duration of the storage. The intention of this paper is to model and analyse a small scale compressed air storage system useful for standalone and micro-grid applications.

What is compressed air energy storage (a-CAES)?

Here the energy is stored in Compressed air energy storage in the form of air pressure. Recently South Ausralia has approved a renewable energy project to build a $30 million advanced compressed air energy storage (A-CAES) facility at the Angas Zinc Mine near Strathalbyn.

How does a compressed air turbine work?

Throughout the turbine, the thermodynamic energy of compressed air expressed by its enthalpy is transformed to kinematic energy in the stator, then to mechanical energy by the rotor.

What is a dynamic simulation model for compressed air energy storage?

An accurate dynamic simulation model for compressed air energy storage (CAES) inside caverns has been developed. Huntorf gas turbine plant is taken as the case study to validate the model. Accurate dynamic modeling of CAES involves formulating both the mass and energy balance inside the storage..

Can a micro-CAES system achieve high efficiency?

This study presents results of energy and exergy analyses of different types of micro-CAES systems, as well as some innovative ideas for achieving high efficiency of these systems. In a micro-CAES system, it is possible to use dissipated heat of compression for heating load and to use compressed air for both power generation and cooling load.

Can a micro-CAES be used for residential heating?

In the case of the micro-CAES, it is possible to use the dissipated heat of compression for residential heating, which can contribute to improvements in energy efficiencies. In addition, compressed air systems can be used for both power generation and cooling load.