Design of STATCOM for Power System Stability Improvement
Keywords:
STATCOM, voltage regulator, power system controller, PID, POD, power oscillation controller (POC), MATLAB simulink
Abstract
This paper presents the model of a STATCOM which is controlled externally by a newly designed Power Oscillation Controller(POC) for the improvements of power system stability and damping effect of an on line power system. The proposed POC consists of two controllers(PID POD).PID parameters has been optimized by ZiglerNecles close loop tuning method. Machine excitation has been controller by using excitation controlleras required. Both single phase and three phase faults has been considered in the research. In this paper, A power system network is considered which is simulated in the phasor simulation method the network is simulated in three steps; without STATCOM, With STATCOM but no externally controlled, STATCOM with Power Oscillation Controller(POC). Simulation result shows that without STATCOM, the system parameters becomes unstable during faults. When STATCOM is imposed in the network, then system parameters becomes stable. Again, when STATCOM is controlled externally by POC controllers, then system voltage
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Published
2014-01-15
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This work is licensed under a Creative Commons Attribution 4.0 International License.