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We would like to thank the discussers for their valuable discussions. They raised an important issue concerned with the treatment of extreme perturbations of low probable scenarios. Therefore, we would like to discuss how the system security is achieved against such uncertainties in real power system. Hereof, our policy of risk management is presented.
The rapid growth in the electricity demand and expansion of renewable energy (RE) generation are presenting serious challenges for the optimal network operation. The future perspective of the dramatic increase in renewable generation, such as wind and solar energy will lead to severe problems related to the load dispatch. Power system security is threatened due to increase in the uncertainties of...
Penetration of large amount of renewable energy sources (RES) may introduce considerable uncertainties in power systems making difficult the planning and operation tasks. This paper proposes a new concept named “Robust Power System Security (RS)” in order to investigate power system security in the presence of uncertainties. RS region is defined as an area of power system operation in which the system...
This paper proposes an approach to optimally allocate FACTS devices based on Expected Security Cost Optimal Power Flow (ESCOPF) under deregulated power system. The aims of the approach are both to minimize device investment cost and to maximize benefit defined as difference between Expected Security Cost (ESC) with and without FACTS installation. The expected cost includes operating cost not only...
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