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Thursday 30 October 2014

Modeling and Simulating For Transient Stability Analysis of Power System Using Dynamic Phasor

ABSTRACT:

In this paper, using a new solution method, the phasor simulation, a model of two-machine power system with static var compensators (SVC) and power system stabilizers (PSS) is built. By this system model, the transient stability analysis of this two machine power system when single-phase fault and 3-phase fault is simulated. The result shows that the phasor solution method can reduce simulation time greatly of power grids ,and has good precision.

KEYWORDS:
1.      Multi-machine power system
2.      Static var compensators (SVC)
3.       Transient stability
4.      Simulation
5.      Dynamic phasor

SOFTWARE: MATLAB/SIMULINK


BLOCK DIAGRAM:


CONCLUSION:
Through apply the phasor solution method to modeling and simulation for the transient stability analysis of a simple transmission system containing two hydraulic power plants, shows that the phasor solution method can reduce the system simulation time greatly and has good precision. This solution method still can be applied to simulate more complex power grids.

REFERENCES:
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[2] Henschel SIbrahim A IDommel H WTransmission line model for variable step size simulation algorithms[J]Electrical Power and Energy Systems199921(3),pp191-198
[3] Stankovic A M,Mattavelli P, Caliskan V, et al. Modeling and analysis of FACTS devices with dynamic phasors. IEEE Power Engineering Society Winter Meeting,2000, 2,pp1440-1446.
[4] Mattavelli PVerghese G CStankovic A MPhasor dynamics of thyristor-controlled series capacitor systems[J] IEEE Trans on Power Systems199712(3),pp1259-1267
[5]Aleksandar MStankovic¡รคTimur AydinAnalysis of asymmetrical faults in power systems using dynamic phasors[J]IEEE Transon Power Systems200015(3),pp1062-1068