A method for evaluating carrying capacity of distributed power supply considering coupling of multiple voltage levels

By using the multi-discrete scenario decomposition bar optimization method and K-means clustering algorithm, combined with the Cplex solver, a distributed generation capacity assessment model considering multi-voltage level coupling was established. This model solves the problems of coupling relationship and output uncertainty among multiple voltage levels in the power distribution system, and achieves more accurate capacity assessment and DG configuration.

CN115587763BActive Publication Date: 2026-07-24RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER
Filing Date
2022-11-10
Publication Date
2026-07-24

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Abstract

The application discloses a kind of considering the distributed power carrying capacity evaluation method of multi-voltage grade coupling, which comprises: in combination with historical data and K-means clustering algorithm, a multi-discrete scene-based equipment single level carrying capacity distribution robust optimization evaluation method of each voltage grade is proposed;Combining heuristic algorithm and cplex solver, a systematic solution method is proposed;Based on the carrying capacity evaluation result of each voltage grade equipment single level, considering the coupling relationship between the carrying capacity of each voltage grade, a carrying capacity evaluation method considering the coupling relationship of multi-voltage grade is proposed.The application is beneficial to provide reference for the reasonable configuration of DG in the power distribution system containing multiple voltage grades, and promote the coordinated development of DG of each voltage level.
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