"Photovoltaic energy storage system" can also refer to a solar-powered power producing system for storing energy. A photovoltaic device and an energy storage device are the two main components of a PV energy storage system, to put it simply.
When the power of the photovoltaic system is insufficient, the energy storage system will convert the stored electricity into the necessary alternating current for use in the power grid. One type of photovoltaic equipment will convert solar energy into electricity, while another type of energy storage equipment will generate electricity for storage.
It may be further subdivided into photovoltaic grid-connected energy storage systems, microgrid energy storage systems, and off-grid photovoltaic power generating systems. We shall examine which characteristics of solar energy storage systems are preferable in detail below.
1. Cheap cost and high power generation efficiency
During the day, solar energy may be turned into electricity using photovoltaic energy storage systems. These systems store the power, which is then transformed into the stored electrical grid that is needed to release alternating current at night.
This allows for the conversion of solar energy into electricity, significantly lowering the cost of both power generation and electricity consumption. It also realises the self-generation and self-consumption of photovoltaic power generation to a certain extent.
2. Provide clean electricity, encourage energy conservation, and lower emissions
A photovoltaic energy storage power generation system can transform solar energy into electrical energy storage. When needed, this energy is stored in the power grid and released for use as alternating current. This system generates electricity using cleaner, renewable solar energy, which contributes significantly to energy conservation.
Furthermore, the energy produced by this power producing system is purer since it has less harmonics. It can reduce emissions and save energy while also enhancing the quality of the electricity system.
3. May increase the electrical grid's security
The flexibility and security of the usage of electric power resources may be significantly increased by photovoltaic energy storage systems, which can also offer the appropriate protective role for the grid in the case of grid failure or unforeseen circumstances. Additionally, they can achieve the two-way flow of energy storage and power generation, reduce the amount of non-renewable energy used, and increase the pace at which renewable energy is used.
In brief, the photovoltaic energy storage system utilises solar energy to generate power. This system not only facilitates the conversion of solar energy into electrical energy, but also enables the bidirectional conversion of direct current and alternating current. As a result, the cost of the power generation system is significantly diminished, and the self-generated self-consumption can improve both the power generation and use efficiencies.
Furthermore, solar energy storage power generating systems can enhance grid security and satisfy the need for reduced emissions and energy savings. The definition of solar energy storage is covered above.