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Winning the parity era II: "addition, subtraction, multiplication and division" in fan innovation

The era of parity is approaching, and China's wind power has come to "Lingyun Ferry". The key to whether it can be reborn is to reduce the cost of electricity. For the complete machine manufacturers, technological innovation of the unit is an effective way to reduce costs.

At present, the whole machine manufacturers mainly reduce the cost of electricity by increasing the power of the unit, the length of the blades, the height of the tower, the reliability of the components, and extending the life of the fan. But to cope with the imminent era of parity, innovation is far from enough. How will the fan technology break through and innovate again?

Subtraction" thinking. "Subtraction" thinking refers to trying to reduce the key components that affect the reliability and life of the unit. For example, in order to capture more wind energy, the gradual increase of the tower makes the cost higher and higher, and the control is more and more difficult. Can we develop a technology to cancel the tower? The cooling system is the main pain point that affects the reliability of the fan, but it also directly determines the energy density of the system. Since cooling is a very problematic issue, can active cooling be removed to achieve natural cooling? The reliability of the gear box is one of the key points affecting the cost of operation and maintenance. Can the gear box be removed? Shanghai Electric is currently making innovative explorations in these aspects: in the aspect of towers, it attempts to subvert the traditional support structure design and innovate a new unit structure that integrates the foundation with the host; in terms of cooling, explore new cooling technologies and power device technologies to Some subsystems are naturally cooled to improve the reliability of the unit system;

"Multiplication" thinking. "Multiplication" thinking means copying. For example, a multi-rotor technology and segmented blade technology can be used on a fan, and the segmented blade will solve the transportation and other related problems caused by the growing blade length.

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