Comparison of the best generators for emergency power supply or for outdoor use – 2020 and instructions
When it comes to electric generators, most people probably think of camping. This form of self-made chest has become increasingly popular for many years. A generator makes camping comfortable. You don’t have to do without electrical devices like the popular coffee machine, and your mobile devices are always charged. Practical electrical generators are not only used for camping. The DIY market is growing and the costs for artisans are rising. When it comes to repairs and especially on construction sites, you can hardly do without mobile generators.
Power generators appear in the house, ready for a possible power outage. Because in our time almost nothing works without electricity. A helper in need can be very important and valuable. Not to forget to use in the garden. Instead of very long extension cables that can also trip and cause injuries, the device delivers power exactly where it is needed.
Therefore, in our in-depth comparison, we present eleven models for different applications. We don’t just list the benefits of each model. We will also investigate any shortcomings. In addition, our comparison contains customer reviews, as these are often the best help when making a purchase decision. You will also find out whether the Stiftung Warentest and Öko-Test covered electrical generators.
Electrical generator, what are the differences?
These terms are often equivalent, but only two of them mean the same thing: a power generator and a generator. There is no difference. Both terms refer to a device that generates electricity. Every energy generator needs a generator for this. This converts mechanical energy, i.e. H. The transition to electricity. This movement is usually a rotational movement, i. H. A rotational movement. The generator in turn needs an energy source to set the rotation in motion. This is usually an internal combustion engine. The generator is part of a power generator. A gasoline engine serves as an energy source for the generator so that it can generate the necessary electricity.
What are electrical generators?
The main difference can be made between inverters and power generators. The difference between the two types is that voltage fluctuations can occur in the converter / generator. This can damage voltage sensitive devices such as computers or televisions. We’ll look at inverter technology in detail in the next section.
Generators can be operated with different types of fuel. The most common are gasoline generators. There are also devices that run on diesel or gas. Due to their design, solar generators usually produce little electricity. To build more powerful devices here, larger solar modules would have to be installed, which would be impractical for a mobile device. Usually you can only use solar generators as a mobile charger.
What does an inverter generator mean?
The design of the inverter generator differs from the design of a conventional device. The generator and the motor are separated from each other in the converter and also carry out their tasks separately. For this reason, two components should not work at the same frequency. Direct current is converted into alternating current or direct voltage into alternating voltage. A subsequent change in the electronics provides a stable and pure sinusoidal voltage. Therefore large voltage fluctuations are excluded. The output voltage is independent of the engine speed.
Electricity is generated in a generator, which we have already mentioned in several sections. In this part of the generator there is also a difference between single-phase and three-phase currents. The latter is also known as a three-phase current. To make it easier to understand the difference, the structure and components of the generator are briefly explained.
Stator: consists of plates and iron coils. Current is carried from the coils to the output. The coil is installed in a single-phase device, in a three-phase generator, three coils, each offset by 120 degrees. As the name suggests, the stator remains stationary.
Rotor: A rotor, which also contains a coil, rotates in the stator. Here it is always just a coil, whether it is a single-phase or a three-phase generator. In Germany, household alternating current has a frequency of 50 Hertz. To reach this frequency, the rotor must rotate at a speed of 3000 rpm.
Voltage regulator: The rotor does not rotate continuously at a speed of 3000 rpm. For this reason, a voltage regulator is required. It regulates the voltage generated by the stator.
The need to further ground the electrical generator depends on a number of factors. This also applies if your device has a floor, e.g. B. B. A ground point. If so, you should definitely use it. If your device does not have such grounding, it does not mean that handling an electrical generator is more dangerous. Electricity generators up to 10 kilowatts are usually equipped with equipotential bonding. This protects you from electric shock. Such devices do not require additional grounding.