Hierarchical Coordinated Control for Power System Voltage Using Linear Temporal Logic
Hongshan ZHAO, Hongliang GAO, Yang XIA
DOI: 10.4236/eng.2009.12014   PDF    HTML     5,636 Downloads   9,986 Views   Citations


The paper proposed an approach to study the power system voltage coordinated control using Linear Temporal Logic (LTL). First, the hybrid Automata model for power system voltage control was given, and a hierarchical coordinated voltage control framework was described in detail. In the hierarchical control structure, the high layer is the coordinated layer for global voltage control, and the low layer is the power system controlled. Then, the paper introduced the LTL language, its specification formula and basic method for control. In the high layer, global voltage coordinated control specification was defined by LTL specification formula. In order to implement system voltage coordinated control, the LTL specification formula was transformed into hybrid Automata model by the proposed algorithms. The hybrid Automata in high layer could coordinate the different distributed voltage controller, and have constituted a closed loop global voltage control system satisfied the LTL specification formula. Finally, a simple example of power system voltage control include the OLTC controller, the switched capacitor controller and the under-voltage shedding load controller was given for simulating analysis and verification by the proposed approach for power system coordinated voltage control. The results of simulation showed that the proposed method in the paper is feasible.

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H. ZHAO, H. GAO and Y. XIA, "Hierarchical Coordinated Control for Power System Voltage Using Linear Temporal Logic," Engineering, Vol. 1 No. 2, 2009, pp. 117-126. doi: 10.4236/eng.2009.12014.

Conflicts of Interest

The authors declare no conflicts of interest.


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