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In this paper, an enhanced congestion control scheme for market related applications is presented. Based on the concept of Marginal Value Expansion, violated transmission constraints can be handled more effectively in the optimization process. Compared to the traditional congestion control method, available resources in system can be utilized more sufficiently. The effectiveness of the new scheme...
In this paper we describe an effort which is under way at Carnegie Mellon University (CMU) in the Electric Energy Systems Group (EESG). We refer to this effort as the Dynamic Monitoring and Decision Systems (DYMONDS) initiative. Its objective is to develop an Information Technology (IT)-enabled framework in support of sustainable evolution of today's electric power systems into future energy systems...
Protection security assessment of power grids becomes an important task in the course of a competitive energy business and a decarbonized power generation. The analysis of past blackouts studied by the North American Electric Reliability Council (NERC) shows that protection relays are involved in about 75% of all major disturbances. One reason for that is the non adequate adaption of the protection...
Electricity infrastructure touches us all - the key challenge, pertinent to this panel session, is to enable secure and very high-confidence sensing, communication and control of a heterogeneous, widely dispersed, yet globally interconnected system, which is a serious technological problem in any case. It is even more complex and difficult to control it for optimal efficiency and maximum benefit to...
Security and economy are long standing underpinnings for power system operation. The evolution from regulated utility operation to competitive markets operation led to more formalized treatment of economy and security concerns through the deployment of market clearing applications that are based mathematical programming methods. Among the most common market clearing applications are security-constrained...
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