What does wind power generation 100mw mean?

Introduction What does 100mw of wind power mean? The power of 100mw means that 100 millijoules of work are completed in one second. Power is a physical quantity that describes how fast work is done. Work

What does wind power generation 100mw mean?

Power means 100mw, which means 100 millijoules of work are completed in one second. Power is a physical quantity that describes the speed of work. Fast work has greater power, while slow work has low power. The size is equal to the ratio of electrical power to time. The unit is watt, the symbol for watt is W. There are also kilowatts and milliwatts. The conversion relationship between them is the kilowatt rate. For example, 1 watt is equal to 1000 milliwatts.

What is the relationship between wind power or wind speed and wind power generation? What affects wind power?

Answer: D

Item D, Article 7.1.4-2 of the "Wind Farm Design Code" (GB 51096-2015) stipulates that the low-voltage side system of the main transformer shall not When it is necessary to operate under single-phase ground fault conditions, resistor grounding can be used to quickly remove the fault.

Item A, Article 7.1.1-2 of the "Wind Farm Design Code" (GB 51096-2015) stipulates that the high-voltage electrical components of the unit's substation should have protection against internal short-circuit faults in the unit's substation. function.

Item B, Article 7.1.3-2 of the "Wind Farm Design Code" (GB 51096-2015) stipulates that the bus voltage on the low-voltage side of the main transformer of the wind farm should be 35kV.

Item C, Article 7.1.2-5 of the "Wind Farm Design Code" (GB 51096-2015) stipulates that when the wind farm substation is equipped with two or more main transformers, the main transformer low voltage The side busbar should be wired in sections with a single busbar, and each main transformer corresponds to a section of busbar.

Wind energy relies on windmills (also called wind turbines) to capture the wind energy. The formula for obtaining wind energy is:

P=0.37x10 - 4AV3

P represents power , the unit is kilowatt [KW]

A represents the cross-sectional area of ​​the windmill blade, the unit is meter [m]

V represents the average wind speed, the unit is meter per second [m] /s]

It can be seen from the formula that in order to obtain greater wind power, a larger-sized windmill must be used to align the wind direction and receive wind with a higher average wind speed.

Wind direction and wind speed are important indicators of wind energy. Generally speaking, the wind direction refers to the total average [main direction] of all directions that have occurred within ten minutes, which is marked by sixteen directions [such as south-south-east, northwest-west]. In addition to expressing the wind speed by [length/time], It can also be described by the scene of wind blowing in nature. This description is called Beaufort scale.

At present, meteorological observation stations observe wind speed eight times a day, and each time the average wind speed within 10 minutes represents the wind speed in the three hours; if you want to use wind power, you should conduct more detailed observations; and record it over a long period of time. Understand the maximum wind speeds and conditions under which turbulence occurs. If there is an instantaneous wind speed greater than this average value of 5 meters/second within 10 minutes, it is called a gust.

For general small wind power generation devices, the required starting wind speed is 3 meters/second and the rated wind speed is 20 meters/second.Seconds, it will stop when encountering strong winds of 56 meters/second. When actually generating electricity, the windmill fan blade area can only generate about 124W of electricity per square meter (average wind speed 10 meters/second).

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