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The principle of operation of a wind generator. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Alternative energy sources

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Wind generators are generators of electrical energy designed to convert wind energy into electrical energy. Today, wind turbines are a high-tech product with a capacity of 100 W to 6 MW per unit power. Wind generators of modern designs allow using the energy of even the weakest winds - from 2 m / s cost-effectively. With the help of wind turbines, today it is possible not only to supply electricity to the "network" but also to solve the problems of power supply to local or island facilities of any capacity.

The wind spins the rotor of the generator (usually it is synchronous three-phase with excitation from permanent magnets with a voltage of = 24 V). The extracted electricity is fed through the controller to the batteries. The inverter converts the voltage at the battery contacts to usable voltage (24V -> ~220V 50Hz).

The principle of operation of the wind generator

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Boiled water is more harmful than filtered water 02.02.2020

Scientists from Zurich reported that boiled water can in some cases be more dangerous than filtered water. As a rule, heat treatment allows you to effectively get rid of pathogens and destroy microorganisms.

At the same time, experts note that when boiling, chlorine precipitates and reacts with other chemicals. The result can be the formation of toxic compounds leading to the appearance of ailments. All viruses, heavy metals and other compounds do not disappear after boiling. The accumulated sediment eventually enters the human body. At high concentrations of pollutants, malaise and malfunction of various organs may occur.

Constant consumption of boiled water causes the removal of various beneficial minerals from the body. It is not necessary to carry out heat treatment more than once; scale should not form in the kettle. No need to mix raw and boiled water for a new heating step. The liquid must first be cleaned of harmful elements. This is easily achieved by conventional filtering.

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