Abstract
According to the dynamic voltage security control, the concept and method of the hybrid control system are introduced, and the Dynamic Hybrid Automatic Voltage Control (D-HAVC) system is realized. The hybrid hierarchical control system model based on the hybrid theory is set up firstly. In the model's high layer, the power system's differential-algebraic-equations are linearized, and the eigen-matrix's minimum amplitude eigenvalue (MAE) is used to judge the power system's voltage security. Through this way, the discrete events are formed and used to drive the control block. In the model's middle layer, under the discrete event driving, the control values of the control buses are calculated with the sensitiv-method, and are formed as the control strategy through the interface block. The control equipment in the bottom layer re-the control strategies and perform them, and the closed automatic voltage control is achieved. Computer simulation comparisons with Secondary Voltage Control (SeVC) have proved the solution effective in realizing D-HAVC system.
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