开关电网无源控制器的研究

2019 IEEE 1st International Conference on Energy, Systems and Information Processing (ICESIP) Pub Date : 2019-07-01 DOI:10.1109/icesip46348.2019.8938388

Kumari Shipra, S. Sharma, R. Maurya

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引用次数: 2

摘要

针对恒功率负载，设计了基于能量整形理论的升压变换器无源控制器。为了间接调节平均输出电压，实现了基于无源的控制器，即欧拉-拉格朗日和端口控制哈密顿(PCH)控制器。这些控制器的设计遵循“能量整形和阻尼注入”方案。在稳态条件下对系统进行了数学建模，并对控制器进行了控制。开发了额定功率为20w, 48V的升压变换器的Simulink模型，并实现了上述无源控制器。在仿真研究的基础上，研究了这些控制器在各种工况下的性能。研究了该控制器对源和负载变化的鲁棒性。

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A Study of Passivity Based Controllers for Switched Electrical Network

In this paper, energy-shaping theory-based passivity controller is designed for boost converter feeding constant power load. To regulate the average output voltage indirectly, Passivity based controllers namely Euler-Lagrange and Port-controlled Hamiltonian (PCH) controllers are implemented. Design of these controllers is carried out following an ‘energy shaping and damping injection’ scheme. A mathematical modeling of proposed system along with controllers is carried out under steady state condition. A Simulink model of boost converter rated for 20 W, 48V is developed and aforesaid passivity based controllers are implemented. Based on simulation study, performances of these controllers are investigated under various operating conditions. The robustness of the proposed controller is investigated against source and load variations.

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来源期刊

2019 IEEE 1st International Conference on Energy, Systems and Information Processing (ICESIP)

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