What is the gear ratio of 5 MW wind power?

Introduction What is the gear ratio of 5 MW wind power? The gear ratio of 5 MW wind power is 0.8. The technical parameters of the 5 MW wind turbine are as follows: -- Common power (KW): 500, standby power (

What is the gear ratio of 5 MW wind power?

The transmission ratio of 5 MW wind power is 0.8. The technical parameters of the 5MW wind turbine are as follows: --Common power (KW): 500, Standby power (KW): 555, Frequency: 50Hz, Output voltage. : 400/230V, speed: 1500rpm, power factor: COSΦ=0.8 (lag).

How many kilowatt hours of electricity does a wind turbine generate per revolution?

For a 1.5 MW wind turbine, the generator turns approximately 1,800 times per revolution minute and generates 1,500 kilowatt hours of electricity per hour. It spins about 18 times per minute. This is directly related to the unit's ability.

Generally speaking, level 3 winds are valuable. However, from an economic and reasonable point of view, wind speeds above 4 meters per second are suitable for electricity generation.

According to measurements, a 55 kilowatt wind turbine has an output power of 55 kilowatts when the wind speed is 9.5 meters per ssecond; when the wind speed is 8 meters per second, the power is 38 kilowatts; wind speed When the wind speed is 6 meters per second, it is only 16 kilowatts; when the wind speed is 5 meters per second, it is only 9.5 kilowatts. It can be seen that the stronger the wind force, the greater the economic benefits.

Detailed information

A wind turbine is an electrical device that converts wind energy into mechanical work. Mechanical work causes the rotor to rotate and ultimately produces reciprocating output. current. Wind turbines generally consist of components such as a wind wheel, a generator (including devices), a steering (tail), a tower, a speed-limiting safety mechanism, and an energy storage device.

The operating principle of a wind turbine is relatively simple. The wind wheel turnsunder the influence of the wind. It converts the kinetic energy of the wind into the mechanical energy of the wind wheel shaft. driving the wind wheel shaft to produce electricity. Generally speaking, wind energy is also solar energy, so we can also say that a wind turbine is a thermal energy generator that uses the sun as a heat source and the atmosphere as a heat fluid. work.

For many centuries, wind turbines, like hydraulic machines, have played an important role in the development of productivity as a source of energy to replace human and animal energy. The widespread application of electromechanical power in modern times and the discovery of oil deposits in the Middle East in the 1950s slowed the development of wind turbines.

In the early 1970s, due to the “oil crisis”, energy shortages appeared.People have become aware of the instability and limitations of conventional fossil energy supplies, so the search for clean and renewable energy has become a key issue in the modern economy. world. an important subject. As a renewable and non-polluting natural energy source, wind power has once again attracted attention.

References:

Baidu Encyclopedia--Wind Turbine

How many revolutions per minute can a wind turbine reach at maximum, and not less than how many revolutions per minute? Please answer in detail and explain the principle, thank you!

One revolution of a wind turbine is equivalent to approximately 0.1 kilowatt hours. A 100 kW wind turbine generates 0.1 kWh of electricity per revolution at high speed. When wind power is sufficient and stable, a 2 MW direct drive wind power generator can generate 2,000 kWh of electricity.every 60 minutes.

It takes 3.5 seconds for the fan blades to rotate once. Wind turbines between 50 W and 300 W are 12 V, wind turbines between 300 W and 800 W are 24 V wind turbines, and wind turbines over 800 W are generally over 36 V wind turbines.

< p>A wind turbine is an electrical device that converts wind energy into mechanical work. The mechanical work causes the rotor to rotate and ultimately produces alternating current. Its operating principle is relatively simple. It uses the sun as heat. source and atmosphere as operating principle. The thermal energy from the environment is used by the generator. As an energy source replacing human and animal energy, it plays an important role in developing productivity. Wind power generation often has no fuel concerns and generally does not produce radiation or air pollution. THEGenerator types include asynchronous, synchronous, horizontal and vertical axes.

The specific speed of the wind turbine is determined by the speed of the corresponding generator. If the rated speed of the generator is 30 rpm, the blades of the wind turbine should be designed according to the rated speed of the generator, and the maximum should not exceed 150% of the rated speed. There is no limit to the minimum speed. Of course, generator oil has a starting speed, which is the speed at which the generator begins producing electricity.

If a 10 MW wind turbine is installed, the electrical energy per minute at full load is 10*10^6*1/60=1,700 kilowatt hours

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