Dynamic performance improvement of an isolated wind-diesel system with intelligently controlled supercapacitor energy storage system

IF 1.5 Q4 ENERGY & FUELS

Wind Engineering Pub Date : 2023-11-03 DOI:10.1177/0309524x231203952

Gazala Rashid, Shameem Ahmad Lone, Mairaj Ud din Mufti

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引用次数: 0

Abstract

This paper aims to develop a supervisory control scheme to enhance the effectiveness and profitability of a small-rating super capacitor energy storage system (SCESS) used in load-frequency-control applications. The proposed approach, which uses one-step-ahead adaptive predictive control (APC), adeptly handles the operational limitations of the SCESS. For the purpose of online estimation of system parameters, the recursive least square (RLS) algorithm has been employed. The system can be characterized as a two input two output system, wherein the real and reactive powers required by the SCESS serve as control signals issued by the controller. The SCESS voltage is subject to constraints to limit energy trade within specific bounds. The proposed control scheme successfully maintains the voltage constraints of the SCESS while significantly reducing frequency and voltage deviations in the presence of two disturbances, viz; load disturbance and wind disturbance. The effectiveness of the proposed scheme is demonstrated through simulation experiments on an isolated hybrid wind diesel power system, which addresses several modeling and design aspects.

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智能控制超级电容储能系统对隔离型风电-柴油系统动态性能的改善

本文旨在开发一种监控方案，以提高用于负载频率控制应用的小额定值超级电容器储能系统(SCESS)的有效性和盈利能力。所提出的方法采用一步前向自适应预测控制(APC)，熟练地处理了SCESS的操作限制。为了在线估计系统参数，采用递推最小二乘(RLS)算法。该系统可以表征为双输入双输出系统，其中SCESS所需的实功率和无功功率作为控制器发出的控制信号。SCESS电压受到限制，将能源交易限制在特定范围内。所提出的控制方案成功地保持了SCESS的电压约束，同时显著降低了存在两个干扰时的频率和电压偏差，即;负载扰动和风扰动。通过对一个孤立的混合动力风力发电系统的仿真实验，验证了该方案的有效性，解决了建模和设计方面的问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Wind Engineering ENERGY & FUELS-

CiteScore

4.00

自引率

13.30%

发文量

期刊介绍： Having been in continuous publication since 1977, Wind Engineering is the oldest and most authoritative English language journal devoted entirely to the technology of wind energy. Under the direction of a distinguished editor and editorial board, Wind Engineering appears bimonthly with fully refereed contributions from active figures in the field, book notices, and summaries of the more interesting papers from other sources. Papers are published in Wind Engineering on: the aerodynamics of rotors and blades; machine subsystems and components; design; test programmes; power generation and transmission; measuring and recording techniques; installations and applications; and economic, environmental and legal aspects.