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Stirling

Inresol Stirling engine

Inresol AB is a Swedish company that develops and builds energy systems based on a proprietary Stirling.

The size of the stirling engine is adapted to the energy requirements corresponding to a household, 5 kW power and 15 kW heat.

By installing several engines in a co-operative installation, eg in a container, elements of 10-1,000 kW can be obtained and a heat output of up to about 800 kW (55-85°C).

Using battery storage, you can take an electric load when the engine is in hibernation and give the engine time to boot.

Battery storage also allows for temporary loads that are significantly higher than the rated power output.

With modern electrical technology, you can adjust voltage, phase shift voltage frequency, etc. via inverters depending on the power supply conditions at the installation site.

Fuel

Solar energy to drive a stirling engine provides good economy at latitude down the Mediterranean Sea and south out.

Here in the north there is combustion of different types of fuels that is the option.

In an industrial facility, energy can be recycled from heat combustion, pyrolysis, etc. with the Stirling engine.

Usually a combustor is connected to the heat exchanger on the Stirling motor. The combustion chamber is specially developed by Inresol for the Stirling engine for maximum efficiency.

The combustion chamber is adapted for pellets and different types of gas - but other fuels such as chips, agricultural scales etc. can be used. It is often primarily a matter of adapting the fuel to the combustion chamber. This adaptation can consist of drying, grinding, pelleting, etc.

You can also use pellets and gas at the same time, the control system can be adapted to this.

Installation

The Stirling engine can be installed alone for one or two households or cooperate in larger units where several engines are installed together and interact to give greater output of energy.

We have chosen to make these installations in a standard container of size 10, 20 or 40 feet (3, 6 or 12 meters in length).

This in order to deliver a ready-made device ready to be commissioned upon delivery.

Of course, the installation can be done in several other ways - but the carrying idea is to deliver a ready-tested facility to the installation site.

Connect to teh grid, or not?

An installation of Inresol Stirling can be built as a local installation (off-grid) or connected to the grid.

In an installation connected to the grid, the grid is used as "battery".

If you have an excess of electricity, it is sent to the grid, if you have a deficit of electricity, you get home electricity from the grid.

In short, it can be said that an installation connected to the grid can be dimensioned a bit arbitrarily - you can always get more energy via the grid.

The energy solution for the future

The energy solution for the future can be built with Inresol's Stirling engine, which enables many small power producers.

Energy can be produced when needed, around the clock. We can get renewable energy produced close by many instead of a few large manufacturers, far away.

Inresol's Stirling engine can be combined with solar cells, wind power, etc. in a system that uses the most energy-efficient energy series. Together with batteries etc., energy can be stored locally to equalize the energy demand.

”off-grid”

If the installation is to be local without connection to the grid, you need to make a more accurate survey of energy requirements, temporary loads, etc.

The energy demand is spread over the day with some peaks that can be covered by battery capacity.

Consider supplementing with solar cells, wind power, etc. Alternative sources of energy for large consumers in, for example, restaurant kitchens can be considered. Connected charging stations for electric cars, it may be necessary to limit the effect occasionally.

Stirling tech