Northeastern University

Zhanshan Wang

Jun Yang

Huaguang Zhang

Qiuye Sun

Xinrui Liu

Zhiliang Wang

Yingchun Wang

Gang Wang

Dongsheng Yang

Zhenwei Liu

Dazhong Ma

Bonan Huang

Yanhong Luo

Fei Teng

Junsheng Liang

Jing Guo

Zhiqiang He

Xintong Li

Jie Bai

Bin Jiang

Yushuai Li

Jin Cui

The invention provides an electric grid state estimation system and method based on a boundary fusion. The system includes an electric grid data acquisition module, a communication module including a local data unit and a state estimation unit, and a data fusion module, wherein the state estimation unit includes a memory storing a state estimation program and a display displaying a program running and outputting a state variable; the state estimation program is performed to realize an electric grid state estimation; the estimation method includes the following steps of dividing a regional electric grid, then establishing a measurement equation for each region, solving an internal quantity and a boundary quantity, fusing the boundary quantities of two regions, correcting the boundary quantity, performing a non-linear transformation on the intermediate variable, solving the estimated values of the state variable by the least square method, and performing outputting.

Electric grid state estimation system and method based on boundary fusion

The present invention relates to an energy resource-grid-load automatic control system of smart microgrid and control methods thereof, which belong to the field of microgrid control and electrical technology. The energy resource-grid-load automatic control system includes a distributed renewable energy power generation module, a distributed renewable energy inverter module, a conventional power generation module, a user load module, a bidirectional grid-connected control module, a distributed renewable energy intelligent optimizing power generation control module, an energy storage module, an intelligent energy storage unit adjuster and a storage battery pack. Compared with the conventional microgrid including a distributed renewable energy power generation system, the present invention guarantees the stability and the high energy utilization of the power generation system and effectively solves the problem of non-uniform frequency of use of storage batteries to unify the service life of the storage battery pack.

Energy resource-grid-load automatic control system of smart microgrid and control methods thereof

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Shenyang, China

Zhanshan Wang