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In this paper, a forced commutation technique for a thyristor-based current source inverter (CSI) used in load commutated inverter (LCI) drive is presented. This auxiliary commutation circuit is required only during the starting of the Synchronous machine. The commutation circuit employs four thyristors and a capacitor. A pair of thyristors in the auxiliary circuit is triggered, whenever a pair of...
The basic function of electrical power system is to convert electrical energy from some universal form to electrical form, which may be consumed locally, or can be transmitted from one location to other. During power delivery and transmission, ideally frequency should be constant, but in real time applications, it is a variable notation. This variance sometimes makes the angular bus voltage differences...
This paper proposes a new multi-objective optimization model to minimize congestion cost, load curtailment and generation cost simultaneously to restore the equilibrium of operating point of the system under contingency. The solution algorithms of the proposed method are based on the Particle Swarm Optimization (PSO) in which load curtailment and generation cost have been optimized without breaching...
The discrete event simulation software QUEST is being used in a sophomore level engineering probability and statistics course. This course is required for all engineering students in the school. Students learn about the basics of the QUEST operating environment and how to assemble and run simple simulation models. For more complex systems, the students modify and run existing simulation models that...
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