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A Nonlinear Excitation Controller Design Method for Terminal Voltage Regulation and Transient Stability Enhancement by Chongxin Huang; Kaifeng Zhang; Xianzhong Dai; Qiang Zang is a Engineering article available to read on EtoBox.

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## Abstract This paper proposes a cascade control method to design a nonlinear excitation controller to guarantee the terminal voltage regulation and the transient stability. Firstly, a nonlinear automatic voltage regulator (NAVR) in the inner loop is designed to control the terminal voltage exactly. Secondly, the generator model including the NAVR is transformed to be a reduced one. Subsequently, based on the reduced generator model, the nonlinear power system stabilizer in the external loop is designed to enhance the transient stability of the power systems. Furthermore, a coordination strategy is presented to improve the performances of the terminal voltage regulation in the steady state and the stability in the transient state. Finally, the proposed method is verified by numerous simulation results.

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Author

Chongxin Huang; Kaifeng Zhang; Xianzhong Dai; Qiang Zang

Publisher

Walter de Gruyter GmbH

Published

2014

Language

EN

Field

Engineering (Physical Sciences)