Energy storage component dynamics

Can energy storage be used to build a new power system?

Currently, the conventional new energy units work at the maximum power point tracking (MPPT) operating point and have no frequency response, which leads to the deterioration in the frequency dynamic characteristics of the system . Energy storage, as a key technology for building a novel power system, has entered a stage of rapid development.

Is energy storage a key technology for building a novel power system?

Energy storage, as a key technology for building a novel power system, has entered a stage of rapid development. CAES has been successfully deployed and commercialized on the grid side due to its large storage capacity and long service life .

What is compressed air energy storage (CAES)?

Compressed air energy storage (CAES) technology has received widespread attention due to its advantages of large scale, low cost and less pollution. However, only mechanical and thermal dynamics are considered in the current dynamic models of the CAES system. The modeling approaches are relatively homogeneous.

What is a model of compressed energy storage process?

A model of the compressed energy storage process considering inlet guide vane angle control, outlet throttle control, and speed control has been established. A model for the expansion power generation process considering inlet throttle control, nozzle angle control, and speed control has been established.

What is component dynamic model of AA-CAES system?

Finally, based on the partial load characteristic equations of each equipment and the coupled control characteristic equations of the control link, the component dynamic model of AA-CAES system is established to realize the real-time solution of each operating variable of the components. Fig. 4. Dynamic modeling flowchart of AA-CAES components.

What are the dynamic models of adiabatic air storage chamber and heat storage tank?

The dynamic models of the air storage chamber and the heat storage tank were established using the dynamic modeling method proposed in reference . The dynamic models of the equal capacity adiabatic air storage chamber and the regenerative dual tank liquid heat storage tank were established separately.