电信双端口可再生能源接口稳定性分析

IF 0.8 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Circuit World Pub Date : 2022-06-09 DOI:10.1108/cw-12-2021-0303

R. V., Margaret Amutha W.

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引用次数: 0

摘要

本文的目的是通过小信号建模对太阳能和风能供电的两端口变流器在不同运行模式下进行详细分析。利用Matlab/Simulink对该变换器进行了充分的表征和仿真。详细介绍了电压和电流波形及其相应的描述转换器操作的表达式。然后利用电路平均技术导出了直流平均等效拓扑。获得了与电容器电压回路相关的功率级传递函数的完整推导，例如电容器电压到太阳能电压和电感器电流到风输入电压。设计/方法/方法稳定性分析用于分析稳态工作点周围的小偏差，这有助于对闭环转换器参数进行建模。本文介绍了双端口Cuk降压变换器拓扑结构的分析、建模和控制。发现基于结果，设计了一种控制策略来管理系统内的能量流。实现了一个带有PWM控制器的Cuk降压转换器的实验室级原型，并在各种输入条件下进行了测试，以研究转换器在季节变化期间的性能。仿真和实验结果表明，混合电源系统在输出可行的情况下，实现了有效的运行和控制策略。实际意义该分析可推广到所有电力电子转换器，并将对控制器的设计有用。社会含义适当的控制设计对提高系统的整体性能起着关键作用。因此，本文旨在详细介绍Cuk降压转换器的小信号建模以及所有开关模式的控制设计。独创性/价值尽管这种类型的转换器拓扑结构在文献中得到了广泛讨论，但与转换器的建模和控制设计相关的文献却非常稀少。描述了转换器的状态空间平均模型，然后进行了II型补偿器的设计，并给出了原型设计和实验结果。

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Stability analysis of two port renewable energy interface for telecom applications

Purpose The purpose of this paper is to carry out a detailed analysis of two port converter fed by Solar and wind sources during different operational modes by small signal modelling. The converter is fully characterized and simulated using Matlab/Simulink. The voltage and current waveforms along with their corresponding expressions describing the converter operation are presented in detail. Then the DC-averaged equivalent topology is derived using circuit averaging technique. A complete derivation of the power stage transfer functions relevant to the capacitor voltage loop, such as capacitor voltage to solar voltage and inductor current to wind input voltage is obtained. Design/methodology/approach Stability analysis is used to analyze the small deviations around the steady-state operating point which helps in modeling the closed loop converter parameters. This paper presents the analysis, modeling and control of two port Cuk-buck converter topology. Findings Based on the results, a control strategy is designed to manage the energy flow within the system. A lab-level prototype for Cuk-buck converter with PWM controller is implemented and tested under various input conditions to study the performance of the converter during seasonal changes. The simulation and experimental results showed that effective operation and control strategy of the hybrid power supply system managed to be achieved alongside its feasible outputs. Practical implications This analysis can be extended to all power electronic converters and will be useful for the design of controllers. Social implications An appropriate control design plays a key role in enhancing the overall performance of the system. Hence, this paper is intended to present in detail the small signal modeling of the Cuk-buck converter along with the control design for all the switching modes. Originality/value Though this type of converter topology has been discussed widely in literature, very scarce literature is available related to modeling and control design of the converter. A state-space averaging model of the converter followed by a type-II compensator design is described, and prototype design and experimental results are also presented.

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来源期刊

Circuit World 工程技术-材料科学：综合

CiteScore

2.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Circuit World is a platform for state of the art, technical papers and editorials in the areas of electronics circuit, component, assembly, and product design, manufacture, test, and use, including quality, reliability and safety. The journal comprises the multidisciplinary study of the various theories, methodologies, technologies, processes and applications relating to todays and future electronics. Circuit World provides a comprehensive and authoritative information source for research, application and current awareness purposes. Circuit World covers a broad range of topics, including: • Circuit theory, design methodology, analysis and simulation • Digital, analog, microwave and optoelectronic integrated circuits • Semiconductors, passives, connectors and sensors • Electronic packaging of components, assemblies and products • PCB design technologies and processes (controlled impedance, high-speed PCBs, laminates and lamination, laser processes and drilling, moulded interconnect devices, multilayer boards, optical PCBs, single- and double-sided boards, soldering and solderable finishes) • Design for X (including manufacturability, quality, reliability, maintainability, sustainment, safety, reuse, disposal) • Internet of Things (IoT).