Qin Haiyan stated that 20 million kilowatts is not the final figure officially announced, and the wind energy association still needs to further conduct related accounting. He also disclosed that in 2011 China Wind Power's new installed capacity rankings, Sinovel Wind Power ranked first at about 3.7 million kilowatts, Goldwind Technology ranked second with approximately 3.6 million kilowatts, and ranked third in the power of the joint power of State Power. The new installed capacity is about 3 million kilowatts.
The report pointed out that although the data released by the association is positive, the current grid problem remains an uncertain factor for the wind power industry. Data show that wind power capacity in 2011 was about 70 watt-hours, which is more than 50.1 watt-hours in 2010.
According to reports, in the wind turbine industry, foreign manufacturers continued to shrink, including Vestas, whose market share fell from 4.7% in 2010 to 3.3% in 2011. Some local suppliers increased accordingly. For example, the combined power of Guodian Power rose from 8.7% to 15%, and Mingyang also rose from 5.5% to 7.5%. Vestas recently issued a profit forecast, pointing to excessive costs and an excessively optimistic outlook on the mainland market. Therefore, it is considered that the outlook for 2012 is not as good as the latest published data.
A manual light tower is a portable lighting system that is operated manually. It is typically used in construction sites, outdoor events, emergency situations, and other areas where temporary lighting is needed.
Here are some key features and components of a manual light tower:
1. Light Fixtures: A manual light tower usually consists of multiple light fixtures mounted on a telescopic mast. The number and type of light fixtures can vary depending on the model and purpose of the tower.
2. Mast: The mast is the vertical structure that supports the light fixtures. It is typically made of steel or aluminum and can be extended or retracted manually to adjust the height of the lights.
3. Generator: Most manual light towers have an integrated generator to provide power to the light fixtures. The generator is usually powered by gasoline, diesel, or propane.
4. Control Panel: The control panel is used to start and stop the generator, control the intensity of the lights, and adjust other settings. It is typically located near the base of the tower for easy access.
5. Mobility: Manual light towers are designed to be portable and easy to move around. They are often equipped with wheels or a trailer hitch for towing.
6. Stabilization: To ensure stability, manual light towers are equipped with stabilizing legs or outriggers that can be extended to provide a solid base.
7. Durability: Manual light towers are built to withstand harsh outdoor conditions. They are typically made of heavy-duty materials and have weather-resistant coatings.
8. Manual Operation: Unlike automated light towers, manual light towers require manual operation for adjusting the height, turning on/off the lights, and starting/stopping the generator.
9. Lighting Options: Manual light towers can be equipped with different types of light fixtures, such as metal halide, LED, or halogen lights. The choice of lighting depends on the specific requirements of the application.
10. Safety Features: Manual light towers often have safety features such as emerg
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