CAREER: A Multiphysics Framework for Modeling, Analysis, and Experimentation of Power Systems and Power Electronics

职业：电力系统和电力电子建模、分析和实验的多物理场框架

• 批准号: 2314415
• 负责人: Brian Johnson
• 金额: $ 50万
• 依托单位: University of Texas at Austin
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-10-01 至 2027-02-28
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2314415&HistoricalAwards=false
• 关键词: CAREER; Multiphysics; Framework; Modeling; Analysis

Today, power systems are conceptualized as a convoluted tangle of passive components, power electronics, rotating machinery, and control loops at various scales. Each subsystem is typically studied in a myopic manner with specifically tailored methods. In this proposal, we show how closed-loop multiphysics energy systems can be unified under a circuit theoretic framework and prototyped effectively with power electronics emulation. Since power electronics and their closed-loop control action can be modeled as equivalent circuits, models are obtained that effectively bridge the power electronics and power systems divide, from the converter-level (Watts) to the system-level (Megawatts). Research themes are uniquely poised at the confluence of circuits, control, and power such that project outcomes will address fundamental challenges in the design of sustainably-powered future systems. The proposed techniques naturally yield a variety of learning opportunities where complex systems and their controls can be straightforwardly depicted and their actual behavior becomes obvious once seen as a circuit. Accordingly, this framework codifies numerous topics within electrical engineering so that students can seamlessly apply concepts across their educational experience.The project will develop modeling and experimentation frameworks that allow for the study of energy dynamics in modern systems. The underlying approach is based on first showing that well-known circuit laws are naturally embedded in control feedback paths for power electronics. This allows for a direct translation of controller dynamical behavior into equivalent circuit representations for converters; extensions are further made for heterogeneous systems containing power electronics, sensors, and machinery. What emerges is a comprehensive framework for closed-loop power systems and electronics modeling where energy acts as the fundamental link between subsystem models. Research thrusts focus on: developing equivalent circuit models for multiphysics systems with closed-loop cyber controls; formulating circuit models for complex power systems with massive utilization of electronics and their accompanying fast controls; and outlining a suite of experimental methodologies for emulation of multiphysics power systems and electromechanics.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

如今，电源系统被概念化为被动组件，电力电子，旋转机械和控制环的复杂纠结。通常以特殊量身定制的方法以近视方式研究每个子系统。在此提案中，我们展示了如何在电路理论框架下统一闭环多物理能力系统，并通过电力电子仿真有效地进行了原型。由于电源电子及其闭环控制动作可以建模为等效电路，因此获得了有效桥接电源电子和电源系统的模型，从转换器级别（瓦特）到系统级别（兆瓦）。研究主题在电路，控制和权力的融合方面具有独特的准备，因此项目成果将解决可持续动力的未来系统设计中的基本挑战。所提出的技术自然会产生各种学习机会，可以直接描绘复杂的系统及其控制，并且一旦将其视为电路，它们的实际行为就变得显而易见。因此，该框架将电气工程中的众多主题编码为，以便学生可以在其教育经验中无缝地应用概念。该项目将开发建模和实验框架，从而可以研究现代系统中的能量动态。基本方法首先表明众所周知的电路定律自然嵌入了功率电子的控制反馈路径中。这允许将控制器动态行为直接转换为转换器的等效电路表示。进一步用于包含电力电子，传感器和机械的异质系统。出现的是闭环电源系统和电子建模的​​综合框架，其中能量充当子系统模型之间的基本联系。研究推力重点关注：开发具有闭环网络控制的多物理系统的等效电路模型；为复杂的电力系统制定电路模型，具有大量利用电子设备及其随附的快速控制；并概述了一套实验方法，用于模仿多物理电源系统和机电学。该奖项反映了NSF的法定任务，并使用基金会的知识分子优点和更广泛的影响审查标准，被视为值得通过评估来提供支持。