Why does the voltage of hydroelectric generators vary from 12 V to 1000 V?

Introduction Why does the voltage of hydroelectric generators vary from 12v to 1000v? You asked a very specific question...I don't know what your specialty is, from my understanding right now, hydroelectric generators.

Why does the voltage of hydroelectric generators vary from 12 V to 1000 V?

You asked a very specific question... I don't know what your specialty is. From what I understand, the current rated voltage of hydroelectric generators is 400V, 6.3kV and 10.5kV. The latter two are more common. , this is considered according to the power supply voltage level of the factory and the power transmission line when designing, mainly considering reasonable and economic issues.

The energy production of a hydroelectric plant involves storing water so that it has enough energy, and using the drop to cause the water to generate energy. potential energy from top to bottom. This energy generates a huge amount of energy. The turbine and the rotation of the turbine, the rotor of the generator set rotates, and the rotation of the coil cuts the magnetic lines of force generate an induced current, and the current is produced by the generator. energy production.

Hydroelectric power plants raise the water level by building dams to block the water. In this way, due to the difference in water between upstream and downstream, the water upstream has potential energy and uses the potential energy of the water. to produce electricity. Specifically, high head water impacts the turbine through the water pipe in the dam body, causing the turbine to rotate. This is the first step in converting the potential energy of water into mechanical energy. The second step is to rotate the turbine. turns the generator rotor. According to Faraday. According to the law of electromagnetic induction, when the coil rotates in the magnetic field and intersects the magnetic lines of force, an induced current will be generated in the coil. generator output, and the hydroelectric generator will produce electricity.

The largest generator of 1,000,000 kilowattsin the world. This one million kilowatt generator is a super giant Francis turbine generator. Its size and scale are astonishing. Each unit The generator weighs more than 8,000 tons. which is comparable to the weight of a heavy destroyer. It is more than a thousand tons heavier than the Eiffel Tower in France, or the weight of a heavy destroyer. The height is more than 50 meters, which is equivalent to 18 floors. In height, the weight of the lower skid alone is 353 tonnes.

The generator here is therefore the largest in the world in terms of volume, weight and electricity production capacity. After being put into production, the motor of a single unit can produce 150 kilowatt hours of electricity per revolution, which is almost the electricity consumption of an ordinary family of three for a month. However, it can spin 111 times per minute and generate. more than 16,000 kilowatt hours. If electricity production continues tThroughout the year, it can generate around 8.7 billion kilowatt hours. Since some production units will stop operating during the dry season each year, it is estimated that each production unit can produce. 3.9 billion kilowatt hours per year.

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