SOFC/MGT混合动力系统性能分析及协同控制策略研究

霍海波; 朱鸿翔; 徐胜; 曹正良; 许竞翔; 李曦

doi:doi:10.19912/j.0254-0096.tynxb.2024-2025

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SOFC/MGT混合动力系统性能分析及协同控制策略研究

更新时间：2025-12-02

- SOFC/MGT混合动力系统性能分析及协同控制策略研究
- Vol. 46, Issue 6, Pages: 79-88(2025)
- 作者机构：
- 作者简介：
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- DOI：doi:10.19912/j.0254-0096.tynxb.2024-2025
  CLC： TM911
- Published Online：07 July 2025，
  
  Published：2025
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霍海波, 朱鸿翔, 徐胜, et al. SOFC/MGT混合动力系统性能分析及协同控制策略研究[J]. 2025, 46(6): 79-88.
DOI：

霍海波, 朱鸿翔, 徐胜, et al. SOFC/MGT混合动力系统性能分析及协同控制策略研究[J]. 2025, 46(6): 79-88. DOI： doi:10.19912/j.0254-0096.tynxb.2024-2025.

摘要

为高效利用固体氧化物燃料电池（SOFC）的高温废热和提升系统的热电效率

提出一款以甲烷为燃料的新型固体氧化物燃料电池/微型燃气轮机（SOFC/MGT）混合动力系统。该系统在传统混合系统的基础上增设燃料旁通阀和加热器

以满足SOFC电堆入口温度的需求

并最大化利用其废热。为满足频繁波动的负载功率需求并确保透平具有合适的入口温度

首先基于所建混合动力系统的数学模型

对变工况条件下各组件的温度、输出功率等动态特性进行分析

然后在此基础上

设计混合动力系统的温度、功率协同控制策略。仿真结果表明

当负载功率需求频繁变化时

所设计控制系统的输出功率能实时跟踪外部功率需求变化并将透平入口温度控制到目标值

说明所设计的控制方案是有效的。此外

当负载功率需求变化时

就透平入口温度主动控制对混合动力系统性能的影响进行探究

结果表明对透平入口温度进行主动控制有利于系统功率跟踪和安全运行

并有效提高混合系统的效率。

Abstract

A novel methane-fueled solid oxide fuel cell/micro gas turbine （SOFC/MGT） hybrid system is proposed to enhance thermoelectric efficiency by utilizing high-temperature waste heat from the SOFC. To meet inlet temperature requirements and maximize waste heat utilization

the system adds fuel bypass valves and heaters

on the basis of the conventional hybrid configurations. To address the challenges of fluctuating load demands and maintaining optimal turbine inlet temperatures

the dynamic temperature and power output characteristics of each component are firstly analyzed under variable operating conditions using a mathematical model of the hybrid system. Then

on this basis

the temperature and power cooperative control strategy of the gybrid power system is designed.Simulation results indicate that the proposed control strategy allows the system to adapt smoothly to changing load demands

sustaining target turbine inlet temperatures while aligning with external power requirements. Findings also reveal that actively controlling turbine inlet temperatures not only supports efficient power tracking and safe operation but also significantly improves the hybrid system's overall efficiency.

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references

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