Steam governor based optimal power oscillation damping controller with solar penetrations

2023 International Conference in Advances in Power, Signal, and Information Technology (APSIT) Pub Date : 2023-06-09 DOI:10.1109/APSIT58554.2023.10201667

Samarjeet Satapathy, Narayan Nahak, A. Patra, A. Mishra

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Abstract

An optimal steam governor action has been proposed in present work to improve small signal stability (SSS) for renewable integrated hybrid power system (HPS). The steam governor has been equipped with auxiliary PID type damping controller, whose gains being set by Modified Differential Evolution (MDE) Algorithm. In MDE the movements of white, black and wormhole methodology from multi-verse-optimizer (MVO) has been implemented to improve the capacity of DE to leap out local optima and enhancing convergence capability. To examine performance of proposed governor action, different experimentations being conducted for multi-machine system with sudden solar penetrations & variable load demand. Variation in angular frequency and active power being considered for ITAE based minimization function. System response being observed with eigen distributions to verify damping capability of proposed control action and compared with DE & PSO algorithm. The steam governors can impart effective damping torque, if they are equipped with auxiliary optimal damping controller.

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基于蒸汽调速器的太阳能穿透最优功率振荡阻尼控制器

为了提高可再生综合混合电力系统的小信号稳定性，提出了一种最优蒸汽调速器。蒸汽调速器配有辅助PID型阻尼控制器，其增益由修正差分进化算法设定。为了提高算法跳出局部最优点的能力，增强算法的收敛能力，在多维优化器(MVO)中引入了白、黑、虫洞运动方法。为了检验所提出的调控动作的性能，在太阳能突防和负荷需求变化的多机系统中进行了不同的实验。基于ITAE的最小化函数考虑了角频率和有功功率的变化。用特征分布观察了系统响应，验证了所提控制动作的阻尼能力，并与DE和PSO算法进行了比较。如果蒸汽调速器配备辅助最优阻尼控制器，则可以提供有效的阻尼扭矩。

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2023 International Conference in Advances in Power, Signal, and Information Technology (APSIT)

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