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Validation of measurement-based load modeling for large-scale power grid

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3 Author(s)
Xu Yanhui ; Key Lab. of Power Syst. Protection, North China Electr. Power Univ., Beijing ; He Renmu ; Han Dong

For a large-scale power grid, how to obtain load model for the substation without load characteristics recorder is the problem facing measurement-based load modeling. The feasibility that the measurement-based load model of a substation is applied to every substation was studied in this paper. The simulation results indicate that it is not feasible. Consequently, two methods were adopted to solve the problem. One method is that all substations were classified into several groups and then the measurement-based load model of a substation in every group was applied to the substations of its group. The other method is to get the base vectors of load model parameters and then obtain the load model parameters of all substations based on aggregation theory. The above two methods are validated in the practice of Northeast China Power Grid load modeling. This has important significance for generalizing measurement-based load modeling to large-scale power grid.

Published in:

Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century, 2008 IEEE

Date of Conference:

20-24 July 2008