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Nonlinear excitation control of a synchronous generator with implicit terminal voltage regulation

机译：具有隐式终端电压调节的同步发电机的非线性励磁控制

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摘要

The objective of this paper is to design nonlinear excitation controllers for single-machine infinite-bus power systems. Because of the nonlinear nature of such systems, nonlinear controllers are more effective in providing larger stability margins than their linear counterparts. To take advantage of well-developed linear control techniques, the concept of feedback linearization is used. A characterization of the region over which the linearizing state transformation is guaranteed to be diffeomorphic is provided. Also, a new formulation for the linear controller design is provided to solve the problem of the terminal voltage regulation. Simulation results of a single-machine infinite-bus power system indicate that in the presence of major disturbances the proposed controller outperforms existing linear and nonlinear controllers in maintaining the system's stability, in damping the rotor angle oscillations, and in reaching the desired performance during postfault operations.
机译：本文的目的是设计用于单机无限母线电力系统的非线性励磁控制器。由于此类系统的非线性特性，因此非线性控制器在提供更大的稳定性裕度方面比其线性同类产品更为有效。为了利用发达的线性控制技术，使用了反馈线性化的概念。提供了保证线性化状态变换为微晶的区域的特征。此外，提供了一种用于线性控制器设计的新公式，以解决端子电压调节的问题。单机无限母线电力系统的仿真结果表明，在存在重大干扰的情况下，所建议的控制器在保持系统稳定性，阻尼转子角振荡以及在故障后达到理想性能方面优于现有的线性和非线性控制器。操作。

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