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Wind-power energy conversion system with redundant energy storage, and application mode and control method thereof

An energy conversion system and control method technology, applied in the field of distributed power generation systems, can solve the problems of unpredictable output power, low safety of wind farms, poor support ability, etc., achieve high safety and reliability, and avoid on-load off network, the effect of improving stability

Active Publication Date: 2012-10-24
SHENYANG POLYTECHNIC UNIV
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  • Abstract
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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

Method used

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  • Wind-power energy conversion system with redundant energy storage, and application mode and control method thereof
  • Wind-power energy conversion system with redundant energy storage, and application mode and control method thereof
  • Wind-power energy conversion system with redundant energy storage, and application mode and control method thereof

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specific Embodiment approach

[0041] detailed description: The present invention will be further described below in conjunction with accompanying drawing:

[0042] Such as 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.

[0043] 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 .

[0044] When the generator is a low-speed generator, the generator...

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Abstract

The invention provides a wind-power energy conversion system with redundant energy storage, and an application mode and a control method thereof. The system comprises a hub, a variable pitch system, blades, a base, a generator, a converter, a redundant energy storage battery, a yaw system and a tower frame, and is characterized in that three blades are arranged on the hub, and the variable pitch system is arranged in the hub and is connected with the blades; the top of the tower frame is connected with the base through the yaw system, and the generator on the base is connected with the hub; and the generator is further connected with the converter and the redundant energy storage battery. The wind-power energy conversion system with redundant energy storage, provided by the invention, has the advantages of high energy density, small floor space, high efficiency, short construction period and strong site applicability.

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 Applications(China)
IPC IPC(8): F03D9/02H02J3/32H02J9/06H02J3/18F03D9/11
CPCY02B10/72Y02E10/763Y02E70/30Y02E10/72Y02E10/766Y02E40/30Y02B10/70Y02E10/76
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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