Performance evaluation method for automatic generation control of interconnected grid under centralized wind power grid connection

Abstract

The invention provides an interconnected power grid automatic power generation control performance evaluation method under concentrated wind power access. The method comprises the following steps: determining the wind power fluctuation regulation responsibility sharing coefficient K<+ / -> of control areas of an interconnected power grid in the next scheduling period; determining the total wind power control error WCE of the interconnected power grid in the automatic power generation control period; determining the power grid frequency deviation Delta(f) and the area control error ACEi in each control period; and judging whether the control performance of each control area is qualified. The method is used for solving the problem that the automatic power generation control performance evaluation criteria is unfair to AGC control performance evaluation of local control areas with concentrated wind power and the problem of wind curtailment of rich wind power caused by poor regulation ability of a local power grid.

Description

technical field [0001] The invention relates to a method in the field of automatic power generation control of an interconnected power grid, in particular to a method for evaluating the automatic power generation control performance of an interconnected power grid under the condition of centralized grid connection of large-scale wind power. Background technique [0002] The interconnected power grid refers to the power grid formed by the interconnection of inter-provincial power grids, independent provincial power grids, and large hydropower bases. At present, in the interconnected power grids of various countries, the active power control performance of automatic generation control (AGC) in each local power grid operation control area is evaluated and regulated by its performance evaluation standard. For example, in the 1960s, North America has been using the A1 and A2 control performance standards (referred to as A standards) issued by the North American Electric Reliabili...

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Problems solved by technology

[0005] In order to overcome the above-mentioned deficiencies in the prior art, the present invention provides an automatic power generation control performance evaluation method of the interconnected grid under centralized wind power grid connection, which is used to solve the AGC control of the local control area of ​​wind power concentration by the automatic power generation control performance evaluation standard The problem of unfair performance evaluation and the problem of curtailment of Fuyu Wind Power due to the lack of regulation capacity of the local power grid

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