Bidirectional energy storage inverter accelerates household energy cleaning
As is well known, the clean substitution of energy and the substitution of electricity have become the major trends in global energy development, and photovoltaics will undoubtedly become one of the main forces of renewable energy in the future. Some power experts believe that developing an intelligent microgrid system for renewable energy that maximizes on-site consumption and complements the power grid is an effective means to accelerate the utilization of renewable energy.
Home photovoltaics and energy storage assist in microgrid power balance
As a widely distributed clean energy, solar energy resources will undoubtedly become the main energy source for future distributed microgrid systems. However, due to the instability, intermittency, and the influence of weather conditions on photovoltaic power generation, photovoltaic power cannot provide stable power output, and its proportion cannot be too high compared to traditional power grids. Meanwhile, the electricity generated during peak hours will cause waste and impact the power grid's stability.
Furthermore, how to achieve on-site solar energy consumption and balance as much as possible within the local scope of microgrids has become a problem that the photovoltaic industry and related personnel are committed to solving.
Microgrids are the only way to develop a high proportion of renewable energy, and increasing energy storage can increase the regulating capacity of microgrids to make dynamic responses according to the demands of the power grid, meet the requirements of constant power output, peak shaving, disaster prevention, and so on.
With the decrease in the cost of lithium batteries, the application of photovoltaic energy storage systems in distributed photovoltaic power supply based on individual users will be able to better achieve an on-site balance of photovoltaic power generation in small areas, reduce disturbances to the power grid system, and provide strong guarantees for the power balance of local microgrids.
The photovoltaic energy storage system stores the output energy of the photovoltaic power generation system in batteries during low load periods. It releases the stored energy during high-load periods to reduce pressure on the power grid. Meanwhile, controllable output energy can achieve peak shaving and valley filling in the power grid.
In terms of economy, based on the current status of grid subsidies and electricity prices, taking Germany as an example, on the one hand, the current grid subsidy is only 0.15/KWh, and it is also decreasing at a rate of 2% per month. Germany has also introduced EEG2012 to limit grid-connected power. On the other hand, electricity prices are getting higher and increasing year by year. In this context, the value of energy storage machines that can achieve "spontaneous self-use" has become increasingly prominent.
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