Storage systems integrated with the inverter

Storage systems integrated with the inverter

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THE storage systems of energy are an excellent solution to amplify the advantages of a photovoltaic system, in order to make the most of the system and achieve significant savings.

A system of accumulation energy can in theory be achieved by equipping itself with suitable batteries, but the best results are given by the solutions in which the classic inverter is integrated with an energy storage device that stores the energy and allows you to consume the energy in the evening or during the night. current produced during the day.

You can thus light up the home in the evening with the electricity produced in the morning, or operate the most energy-intensive appliances such as the washing machine or dishwasher at night. A nice saving and a nice convenience because you will no longer have the problem of peaks, being able to dilute consumption over 24 hours.

One of the characteristics of solar energy is that it is unpredictable and inconstant, which makes its use not entirely discretionary. To overcome this drawback, which in fact constitutes the main limit of solar power, the best solution is to add a storage system and load management to the traditional photovoltaic inverter.

It is not by chance that it is widely believed that the use of storage systems will give a new phase of success to renewable energy from photovoltaic sources. In fact, they can promote the increase in self-consumption and energy self-sufficiency, that is, the amount of self-produced energy that is consumed in the home compared to the total produced or the total consumed.

The advantages of a storage system consisting of a inverter system with integrated storage are that:

  • the energy flows are coordinated and there is an alignment between the production of photovoltaic energy and domestic consumption;
  • battery management and life are optimized;
  • by means of a single user interface it is possible to monitor the production of renewable energy and manage household loads even remotely.

The electrical energy storage systems for photovoltaics make it possible to cover on average 75% of a family's self-consumption.

The inverter for photovoltaic systems they are essentially of two types:

  • Single-phase inverter, intended for civil use
  • Three-phase inverter mainly suitable for industrial uses.

The photovoltaic inverter is able to convert direct current (DC) into alternating current (AC). In fact, the photovoltaic generator supplies direct voltage, while the users require alternating voltage and current to connect to the electricity distribution network.
The inverter also has a conditioning function and control of the power delivered by the generator. Despite the fluctuations in the output voltage of the photovoltaic generator, the inverter is in fact able to ensure constant voltage values.

Among the most reliable retailers of storage systems and inverters with a good quality / price ratio, we can point out Coenergia Group, which is also able to offer a consulting and design service for any type of photovoltaic system.

How storage occurs in accumulation systems

The device that does it storage it is normally a lithium ion (Li-Ion) battery of variable capacity depending on the capacity of accumulation desired that can be increased by adding additional batteries. The expected duration of the latter, according to retailers, is always around ten years.

You may also be interested in: Energy storage batteries for the photovoltaic system

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