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In this paper, the impact of integration of FACTS devices viz. TCPS and TCSC on Automatic Generation Control (AGC) of a two area thermal-thermal deregulated power system have been studied in order to enhance the performance of responses such as frequency deviation and oscillation damping, deviation of tie line power between the areas and power generated by GENCOs. The comparison of results between...
Fractional order phase lead-lag controller (FOPLC) is a generalization of classical phase lead-lag controller (CPLC) using fractional calculus. Nowadays, fractional order controllers (FOC) have found wide applications in various aspects of power system control and operation. In this paper, FOPLC are used in structure of flexible ac transmission system (FACTS) based frequency stabilizer to enhance...
High penetration of wind power in microgrids causes fluctuations of power flow and significantly affects the power system operation. This can lead to severe problems, such as system frequency oscillations, and/or violations of power lines capability. With proper control, a distribution static synchronous compensator (DSTATCOM) integrated with ultracapacitor energy storage (UCES) is capable to significantly...
SUBSYNCHRONOUS damping controller (SSDC) can be considered as an effective means to improve the damping characteristics of various controllable devices of the power system. In general, linear system analysis tools are applied widely in determination of the preliminary parameters for the damping controller. However, due to increasing amount of nonlinearities in the power system more detailed analysis...
This paper deals with various active damping approaches for PI-based current control of grid-connected pulsewidth-modulation (PWM) converters with LCL filters, which are based on one additional feedback. Filter capacitor current, as well as voltage feedback for the purpose of resonance damping, are analyzed and compared. Basic studies in the continuous Laplace domain show that either proportional...
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