Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 34, Issue 3, Pages 2465-2468Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2019.2895573
Keywords
Microgrid; dispatch; frequency stability; islanding; primary reserve
Categories
Funding
- National Natural Science Foundation of China [51707017]
- Fundamental Research Funds for the Central Universities
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This letter describes an enhanced multi-period dispatch model for microgrids, in which frequency-aware islanding constraints are established to ensure microgrids with the capability to ride through unplanned islanding events. Rather than specifying the upward/downward primary reserve requirements as fixed amounts, the proposed dispatch scheme determines the primary reserve requirements by explicitly simulating under-or over-frequency dynamics caused by potential islanding events. To remove the nonlinearity, a two-stage solution strategy is proposed. Case studies demonstrate the effectiveness of the proposed microgrid dispatch scheme.
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