State Grid Corporation of China

China Electric Power Research Institute Company Limited

North China Electric Power University

State Grid Tianjin Electric Power Company

State Grid Beijing Electric Power Company

Tianjiao Pu

Wei Wang

Ye Li

Kun Wu

Chen Bo Li

Wei Han

Lixin Li

Xiaohui Wang

Shiguang Li

Zechen Wei

Zhihong Li

Lei Dong

Liqiang Zhao

Yijun Yu

Shixiong Fan

Ting Yu

Naishi Chen

Xingwei Liu

Xinjing Wu

Jiancheng Yu

Jiatong Du

Renle Huang

Xianjun Ge

Minghao Ai

Fumin Qu

An active power distribution network multi-time scale coordinated optimization scheduling method and storage medium are provided. The method includes the following steps: performing long-time scale optimization scheduling of an active power distribution network; performing short-time scale rolling optimization scheduling on the basis of MPC of the active power distribution network according to an optimization result of the long-time scale optimization scheduling of the active power distribution network. By using a model prediction control method, taking the long-time scale optimization scheduling result as a reference, and performing short-time scale rolling correction, the optimization scheduling of the active power distribution network is achieved, thereby reducing unfavorable influences of prediction precision of a distributed power supply and a low-voltage load on the optimization scheduling.

Active power distribution network multi-time scale coordinated optimization scheduling method and storage medium

A method and an apparatus for determining the distributed power supply capacity to be accessed by a feed line of a power distribution network, and a storage medium, the method comprising: determining feed line loss on the basis of load information of power distribution network feed line access nodes and circuit parameters; on the basis of the feed line loss, determining three-phase voltage change values of the feed line circuit; using a single phase having the greatest voltage change amongst the voltage change values, determining a maximum active power for distributed power supply access under voltage constraints; comparing the current of the feed line corresponding to the maximum active power with a circuit current limit, and determining the distributed power supply capacity to be accessed by the feed line; the apparatus comprises a feed line information collection unit, a voltage drop unit, a quantitative calculation unit, and a results analysis unit. The present method can be used for dispatching operation control of a distributed power supply in a power grid, and can ensure safe access to the distributed power supply and safe operation of the power grid, improving the access capacity of the power distribution network to the distributed power supply.

Method, apparatus and storage medium for determining distributed power supply access capacity

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Tianjiao Pu