State Grid Corporation of China

Gansu Electric Power Corporation Wind Power Technology Center

State Grid Gansu Eletric Power Corporation

State Grid Gansu Electric Power Corporation

Qingquan Lv

Liang Lu

Qiang Zhou

Long Zhao

Ming Ma

Ningbo Wang

Yanhong Ma

Guangtu Liu

Dingmei Wang

Jianmei Zhang

Kun Ding

Jin Li

Shiyuan Zhou

Dan Jin

Rong Huang

Duo Wang

Yuhong Zhang

Shien He

Xushan Han

Hongquan Xu

Xiaoyong Wang

Jinping Zhang

The present invention discloses a maintenance schedule optimization method for an electric power system including large-scale wind power to build objective function to make it get optimal results, then constrain the objective function, constraint conditions include: constrain according to maintenance natural environment; constrain according to maintenance time of wind power plant; constrain according to maintenance site of wind power plant; constrain according to system reliability at wind power plant; constrain according to maintenance continuity of generator unit. Under the above constraint conditions, the electric power system is modeled with heuristic algorithm according to the above objective function. Through modeling the electric power system including large-scale wind power, optimize maintenance time of wind turbines in electric power system through modeling under a certain constraint conditions to maintain the wind power equipment properly while ensuring maximum efficiency of wind power generation at the same time.

Maintenance schedule optimization method for electric power system including large-scale wind power

The present invention discloses a testing method for dynamic model parameters of a wind power plant, wherein under testing conditions including stable running of wind turbine generators and reactive-load compensation equipment, stable wind speed between a cut-in wind speed and a rated wind speed, and the wind power plant output smaller than a rated output, finishes a wind speed transient disturbance test, a wind power plant unit tripping and inputting disturbance test, a wind power plant power change test, a disturbance test for reactive-load compensation equipment of the wind power plant, a tripping disturbance test for hydroelectric power plant and thermal power plant near the wind power plant and a manual single-phase ground short circuit test at the outgoing line part of the wind power plant, and records running curves of the wind power plant under each condition to finish the parameter test. The present invention realizes the advantage of providing precise measurement data for the stability analysis of an electric power system and the production dispatching of a power grid.

Method for testing dynamic model parameters of wind power plant

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Lanzhou, China

Qingquan Lv