Wind Turbines

As a private person, you can not only produce your own electricity using photovoltaic systems, a wind turbine for your home offers the same possibility. This also has a positive effect on climate protection. However, wind turbines are currently still rarely seen on private property, although the wind is a very reliable source of energy.

In our online shop, you will find high-quality wind turbines that you can use to generate electricity even when the sun is not shining. Wind turbines have the advantage that they take up little space and also produce electricity at night or when the weather is cloudy.

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Wind turbine for home: Which wind turbines are there?

Especially when the sun doesn't shine or at night, wind turbines can offer a pretty good alternative solution compared to photovoltaic systems. In the case of a wind turbine for the home, a general distinction is made between the micro wind turbine and a small wind turbine.

In addition to the category for home wind turbines, there are also differences in design. Wind turbines are offered as either vertical or horizontal wind turbines. But what is the difference and which variant should you choose?

Wind Turbine for Rural Areas – Horizontal Wind Turbines

Horizontal wind turbines consist of a turbine with two to five rotor blades rotating around a horizontal axis. This type of construction is also known as a windmill. In order for a horizontal wind turbine to be worthwhile for your home, it should always be in a linear flow so that the rotor blades can rotate around their own axis because then the wind can be used from all possible directions. Linear flows are predominantly found in rural areas or at elevations greater than approximately 33 feet above the ground.

Vertical Wind Turbine – Optimal for densely built-up areas

In a vertical wind turbine, the rotor blades rotate around a vertical axis. Residential houses located in densely built-up areas are affected by turbulent wind conditions. Here the use of a horizontal wind turbine is quite impractical. A vertical wind turbine is characterized by its special design, the motor is usually located on the lower side and has semi-circular curved rotor blades that rotate around a vertical axis. Due to the construction of vertical wind turbines, it is possible to use the wind flow from every side.

Such wind conditions are mainly caused by residential buildings and obstacles such as trees. The vertical wind turbine can be optimally positioned and produce its own electricity from as little as 3 meters above the ground.

Disadvantages of vertical wind turbines

  • Lower efficiency: while horizontal wind turbines have a specific power yield of around 50%, the value for vertical wind turbines is a maximum of 40%.
  • High vibration and stress: Vertical installations can have strong resonances
  • Low overall height: because of the vibrations, the rotors are close to the ground. Horizontal wind turbines can be mounted with a mast in higher air layers.

Advantages of vertical wind turbines

  • No shadow cast
  • Easier maintenance: due to the low height, maintenance work can be carried out without much effort (lifting platform/crane).
  • Easier approval from some building authorities: Some authorities are more willing to accept vertical systems (depends on state law)
  • Less noise and low blade speed
  • No yaw required: With horizontal wind turbines, the rotors must be turned into the wind with the help of a wind vane and a yaw system.
  • More suitable for turbulent wind conditions: vertical systems work more reliably in strong air turbulence

Wind turbine for home – is it worth buying?

There is always speculation as to whether such a wind turbine would only be worthwhile when the wind conditions are extremely strong and one should therefore rather resort to a garden house solar system. It may be that this assumption contained a piece of truth in the past, but from today's perspective, one can overlook this misconception.

The technologies for wind turbines are also constantly being improved, as is the case with solar systems or photovoltaic systems. This ensures that modern wind turbines can produce electricity even with a light breeze. A wind force of level 2 is therefore completely sufficient to already be able to produce energy.

Anyone who has already installed a photovoltaic system in the garden house has no disadvantage from an additional energy source. Quite the contrary: Especially in times when the sun is no longer shining, a wind turbine is a good supply. A combination of photovoltaics, wind power, and battery storage together ensures sufficient clean electricity that you can produce yourself. A portable power station, which can also be taken camping, is suitable as an energy storage device, for example.

Energy from wind power – how do I save electricity with it?

First, the electricity produced by the wind turbine is stored in a standard 12-volt battery. If required, the energy generated can then be supplied to the house via an inverter.

It is crucial here that the flow direction of the current depends on whether a consumer is currently connected to the network. If the line resistance changes because a consumer needs energy, the electricity generated flows to where it is currently needed.

As long as no consumer is connected, the electricity produced remains in the battery.

If the electricity generated by the wind turbine is not high enough, the difference is “bought-in” from the public grid. The public power grid thus becomes a “supplier on-demand” and makes it possible to save quite a bit on electricity costs.

Wind turbine for home – advantages and disadvantages at a glance!

Advantages

  • Very sustainable, since no limited resources are used in the operation of wind turbines
  • When using the wind turbine at home, there are no pollutant emissions during the operation
  • Unlike solar energy, wind energy is almost always available in the right locations

Disadvantages

  • In order to generate larger amounts of electricity, several wind turbines are usually necessary
  • As an energy source, wind cannot be stored, so it must be converted into electricity immediately
  • A wind turbine is dependent on sufficient wind, the amount that can be produced does not always remain constant

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