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Effects of Various Uncertainty Sources on Automatic Generation Control Systems

Apostolopoulou, D., Chen, Y.C., Zhang, J., Dominguez-Garcia, A.D., Sauer, P.
Citation:

IREP Symposium on Bulk Power System Dynamics and Control - IX Optimization, Security and Control of the Emerging Power Grid (IREP), pp.1,6, 25-30 Aug. 2013.

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Abstract:

In power systems, the automatic generation control (AGC) system is responsible for maintaining the nominal system frequency and the scheduled real power interchange between balancing areas. This paper proposes a framework to evaluate the effects of uncertainty arising from renewable-based electricity generation and noise in communication channels on the AGC system performance. To this end, we introduce a unified stochastic differential equation (SDE) model that includes power system dynamics and the AGC system (including the communication network on which its operation relies). We propagate the uncertainty from renewable-based resources and communication channel noise through the SDE model and investigate the resulting effect on AGC system performance. The proposed ideas are illustrated through a 4-bus test system.

Publication Status:
Published
Publication Type:
Proceedings
Publication Date:
08/25/2013
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