Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 30, Issue 1, Pages 67-77Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2014.2320982
Keywords
Cascade mitigation; convex relaxation; energy storage; model predictive control; modeling; optimization; thermal overloads
Categories
Funding
- U.S. Department of Energy [DE-SC0002283]
- ARPA-E [DE-AR0000232]
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A novel model predictive control (MPC) scheme is developed for mitigating the effects of severe line-overload disturbances in electrical power systems. A piece-wise linear convex approximation of line losses is employed to model the effect of transmission line power flow on conductor temperatures. Control is achieved through a receding-horizon model predictive control (MPC) strategy which alleviates line temperature overloads and thereby prevents the propagation of outages. The MPC strategy adjusts line flows by rescheduling generation, energy storage and controllable load, while taking into account ramp-rate limits and network limitations. In Part II of this paper, the MPC strategy is illustrated through simulation of the IEEE RTS-96 network, augmented to incorporate energy storage and renewable generation.
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