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This paper proposes the application of a Particle Swarm Optimization (PSO) algorithm to the Load Flow calculation in Power Systems. The proposed methodology is based on the minimization of power mismatches in the system buses. The power flow study provides the system status in the steady-state and it is fundamental to the power system operation, planning and control. PSO is applied in a new computational...
Power system control centers are moving toward distributed and decentralized operations. The use of information technology (IT) to achieve these goals produces vulnerabilities and security threats. To safeguard against the threat of cyber-attacks, service providers also need to maintain the accuracy, assurance and integrity of their interdependent data networks. This paper presents the results of...
The objective of this paper is to present a recursive least square and genetic algorithm based tool for PID controller tuning. This tool was developed to be used in PID controllers embedded in PLC - Programmable Logic Controllers. In such software, first the plant is identified and then, based in the plant model, the PID controller parameters are found. The recursive least square is used to do the...
This paper presented a technique to extract rules in order to identify attacks and faults to improve security of electric power control systems. By using rough sets classification algorithm, a set of rules can be defined. The approach tries to reduce the number of input variables and the number of examples, offering a more compact set of examples to fix the rules to the anomaly detector. An illustrative...
This paper presented an alternative technique to improve the security of electric power control systems by using anomaly detection to identify attacks and faults. By using rough sets classification algorithm, a set of rules can be defined. The alternative approach tries to reduce the number of input variables and the number of examples, offering a more compact set of examples in order to fix the rules...
This paper presents the analysis that has been carried out in the alarm system of the DCRanger EMS. The intention of this study is to present the problem of alarm processing in electric energy control centers, its various aspects and operational difficulties due to operator needs. Some tests are produced in order to identify the desirable features an alarm system should possess in order to be of effective...
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