Control strategy of hybrid energy storage

Is there a control strategy for a hybrid energy storage system?

This study proposes a novel control strategy for a hybrid energy storage system (HESS), as a part of the grid-independent hybrid renewable energy system (HRES) which comprises diverse renewable energy resources and HESS – combination of battery energy storage system (BESS) and supercapacitor energy storage system (SCESS).

How does a hybrid energy storage system work?

The use of a hybrid energy storage system (HESS) consisting of lithium-ion batteries and supercapacitors (SCs) to smooth the power imbalance between the photovoltaics and the load is a widespread solution, and a reasonable probabilistic allocation of the batteries and SCs affects the performance of the HESS.

Does a hybrid energy storage system participate in primary frequency modulation?

In this paper, we investigate the control strategy of a hybrid energy storage system (HESS) that participates in the primary frequency modulation of the system.

What is a hybrid energy storage system (Hess)?

According to the different functions, energy storage devices can be divided into energy-based and power-based devices, and the hybrid energy storage system (HESS), composed of the two, has the characteristics of high-energy density and high-power density at the same time .

Does a distributed microgrid need an energy storage system?

In recent years, distributed microgrid technology, including photovoltaic (PV) and wind power, has been developing rapidly , and due to the strong intermittency and volatility of renewable energy, it is necessary to add an energy storage system to the distributed microgrid to ensure its stable operation [2, 3].

What is a coordinated power control strategy for the VSG-HES system?

A coordinated power control strategy is proposed for the VSG-HES system, a low-order simplified model of the system is established, and the design of coordinated control parameters is carried out. The main conclusions are as follows: