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首页> 外文期刊>International journal of systems,control and communications >Design of an automatic voltage regulator based on symmetric root locus technique
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Design of an automatic voltage regulator based on symmetric root locus technique

机译：基于对称根轨迹技术的自动调压器设计

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摘要

An automatic voltage regulator (AVR) design based on symmetric root locus (SRL) technique for a synchronous machine infinite bus (SMIB) power system is presented. The SRL technique is used to minimise the amplifier saturation by placing the closed-loop poles (CLPs) of the system at desired locations. The desired CLPs are decided by considering the dominant pole locations that provide maximum damping on the SRL plot. The design incorporates an extended estimator to deal with uncertainties introduced due to variations of parameters or operating conditions. They reconstruct the state information including the state of disturbance dynamics simultaneous to implement full state feedback and using the reconstructed disturbance estimate to compensate the effect of external disturbance or parameter uncertainties. The performance of the system is analysed through simulating at different operating conditions. The control method improves the tracking response and provides zero estimation error in the steady-state. Illustrative examples have been provided to demonstrate the effectiveness of the developed methodology.
机译：提出了一种基于对称根轨迹（SRL）技术的同步电机无限母线（SMIB）电力系统自动调压器设计。 SRL技术用于通过将系统的闭环极点（CLP）放置在所需位置来最小化放大器饱和。通过考虑在SRL图上提供最大阻尼的主要极点位置来确定所需的CLP。该设计包含一个扩展的估计器，以处理由于参数或操作条件的变化而引起的不确定性。他们重建状态信息，包括扰动动力学的状态，以同时实现全状态反馈，并使用重建的扰动估计值来补偿外部扰动或参数不确定性的影响。通过在不同的操作条件下进行仿真来分析系统的性能。该控制方法改善了跟踪响应并在稳态下提供了零估计误差。提供了说明性示例以证明所开发方法的有效性。

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