Chongqing wind power equipment utilization hours in 2022

Introduction In 2022, Chongqing’s wind power equipment utilization hours will be 2,082 hours. According to the announcement information of Chongqing Power Grid, it can be seen that in 2022, a 2MW unit will generate electricity of 41% per year.

Chongqing wind power equipment utilization hours in 2022

2082 hours. According to the announcement information of Chongqing Power Grid, a 2MW unit will generate 4,164,000 kilowatt-hours of electricity per year in 2022, and the average utilization hours of wind power will be 2,082 hours, which is a record high for new energy power generation. Chongqing Electric Power Company was established on June 6, 1997 with the direct jurisdiction of Chongqing Municipality, and its operating area covers 40 districts and counties in the city.

This depends on the power of the wind turbine. If the wattage is large, the power generation will be large; if the wattage is small, the power generation will be small. China's largest wind turbine is 2 megawatts, with a daily power generation equivalent to 11 tons of high-quality coal.

The generator rotates one or two thousand revolutions per minute, while the wind turbine only generates one thousand kilowatt hours of electricity per hour. This is directly related to the capacity of the unit.

For example, in a 1.5-megawatt wind turbine, the generator spins about 1,800 revolutions per minute, producing 1,500 kilowatt-hours per hour, and the impeller spins about 18 times per minute.

This is related to factors such as the type and capacity of the fan and the speed of the generator.

For example, for a 2MW direct-drive wind turbine, its permanent magnet generator reaches the rated speed, such as 17 revolutions per minute, and it takes 60/17=3.5 seconds to make one revolution. If a 2MW wind turbine generates electricity continuously for 1 hour at rated speed, the amount of electricity generated in 3.5 seconds is 3.5*2000/3600=1.94 kilowatt hours, which is how much electricity is generated in one revolution.

For doubly-fed fans, it is also related to the gearbox reduction ratio.

No, let me tell you roughly, the fan is 1500kw. If it's full, it will spin at 17 revolutions per minute. If you do the math, one rotation is 1.47 kilowatt-hours of electricity. This is just an approximation and is not accurate.

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