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Wind turbine generator output adjusting method and device

A technology for wind turbines and adjustment methods, applied in circuit devices, wind power generation, electrical components, etc., can solve the problems of not being able to make the best use of everything and not considering the influence of the frequency of the wind farm of the unit.

Pending Publication Date: 2020-10-16
CHINA ELECTRIC POWER RES INST +2
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  • Abstract
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Problems solved by technology

However, this method does not take into account the impact of the unit on the frequency of the wind farm, and it cannot make the best use of it in the process of power allocation

Method used

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  • Wind turbine generator output adjusting method and device
  • Wind turbine generator output adjusting method and device
  • Wind turbine generator output adjusting method and device

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Embodiment Construction

[0060] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0061] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0062] The invention provides a wind turbine output adjustment method, such as figure 1 As shown, the method includes:

[0063] Step 1. Determine the optimal frequency regulation para...

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Abstract

The invention provides a wind turbine generator output adjusting method and device. The method comprises determining optimal frequency modulation parameters of each wind turbine generator in a wind power plant according to overshoot deviation and frequency variation deviation of the wind power plant; and adjusting the frequency modulation parameters of each wind turbine generator in the wind powerplant to the optimal frequency modulation parameters of each wind turbine generator in the wind power plant. According to the invention, the optimal frequency modulation parameter of the unit is obtained through the overshoot deviation and the frequency variation deviation of the wind power plant, and the influence of the unit on the frequency of the wind power plant is considered, so that the defect that in the prior art, the output of the unit is controlled is overcome, the unit is made the best use of, and the frequency safety and stability problems in the dynamic process of the wind powerplant are reduced, and the safety of the unit and the wind power plant is improved.

Description

technical field [0001] The invention relates to the technical field of new energy power generation control, in particular to a method and device for adjusting the output of a wind turbine. Background technique [0002] With the rapid development of global wind power generation and the rapid growth of wind turbine installed capacity, the construction of large-scale grid-connected wind farms has become an effective way to efficiently utilize wind energy. However, wind power has the characteristics of intermittency, volatility, and anti-peak regulation. Large-scale wind power grid integration makes system power balance and frequency regulation increasingly difficult, and poses challenges to system operation control, protection, and scheduling. [0003] At the unit level, applying additional control methods to wind turbines to make them respond to system frequency changes is an effective way to solve power system frequency problems. At the wind farm level, there are differences...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/24H02J3/46
CPCH02J3/241H02J3/466H02J2203/20H02J2300/28Y02E10/76
Inventor 陈宁彭晨宇姜达军钱敏慧张磊
Owner CHINA ELECTRIC POWER RES INST
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