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Wind power energy conversion system with redundant energy storage and its application mode and control method

An energy conversion system and energy storage battery technology, which is applied in wind power generation, wind motor combination, and wind power storage power generator, etc., can solve the problems of unpredictable output power, low safety of wind farms, poor support capacity, etc., and achieve high Safety and reliability, avoiding off-grid with load, and improving stability

Active Publication Date: 2016-01-20
SHENYANG POLYTECHNIC UNIV
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  • Abstract
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  • Claims
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Problems solved by technology

[0008] Purpose of the invention: The present invention provides a wind power energy conversion system with redundant energy storage and its application mode and control method. The problem of poor gong support ability

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  • Wind power energy conversion system with redundant energy storage and its application mode and control method
  • Wind power energy conversion system with redundant energy storage and its application mode and control method
  • Wind power energy conversion system with redundant energy storage and its application mode and control method

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specific Embodiment approach

[0039] detailed description: The present invention will be further described below in conjunction with accompanying drawing:

[0040] like figure 1 As shown, the present invention provides a wind power energy conversion system with redundant energy storage, including: hub 1, pitch system 2, blade 3, base 4, generator 5, converter 6, redundant energy storage battery 7 , yaw system 8, tower 9, three blades are installed on the hub, the pitch system is installed inside the hub and connected to the blades; the top of the tower is connected to the base through the yaw system, and the generator on the base is connected to the hub; The generator is also connected to a converter and redundant energy storage batteries.

[0041] The generator is a high-speed generator or a low-speed generator. When the generator is a high-speed generator, the high-speed generator is connected to the hub through the gear box 10 .

[0042] When the generator is a low-speed generator, the generator is...

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Abstract

The invention provides a wind power energy conversion system with redundant energy storage and its application mode and control method. The system includes: hub, pitch system, blades, base, generator, converter, redundant energy storage battery, yaw system, tower, and is characterized in that: three blades are installed on the hub, and the pitch system Installed inside the hub and connected to the blades; the top of the tower is connected to the base through the yaw system, and the generator on the base is connected to the hub; the generator is also connected to the converter and redundant energy storage batteries. The invention has high energy density, small occupied area, high efficiency, short construction period and strong site adaptability.

Description

technical field [0001] The invention relates to a wind power energy conversion system with redundant energy storage, which is suitable for large-scale centralized grid-connected wind farms and distributed power generation systems in smart power (micro) grids, especially for small grid capacity or wind power installed capacity Areas that account for a large proportion of the total installed capacity of the grid. It is mainly used to improve the reliability and power quality of wind power energy conversion system, and solve the grid instability problems caused by intermittent, fluctuating and poor predictability of wind power output. Background technique [0002] With the continuous growth of social energy demand and the increasingly prominent environmental problems, seeking a sustainable social development model and making full use of renewable energy have become the key tasks of governments. [0003] Wind energy will occupy an extremely important position in the future ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F03D9/02H02J3/32H02J9/06H02J3/18F03D9/11
CPCY02B10/70Y02E10/72Y02E10/76Y02E40/30Y02E70/30
Inventor 姚兴佳王晓东刘颖明王士荣谢洪放马铁强
Owner SHENYANG POLYTECHNIC UNIV
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