基于TRNSYS的冷热电联供系统建模与蓄能策略分析

被引：31

作者：

郑春元

翟晓强

吴静怡

杨干

机构：

[1] 上海交通大学机械与动力工程学院

来源：

化工学报 | 2015年 / 66(S2)卷 / S2期

关键词：

冷热电联供; 蓄能; 动态仿真; 模型; 控制策略;

D O I：

暂无

中图分类号：

TK02 [蓄能技术];

学科分类号：

080707 [能源环境工程];

摘要：

冷热电联供是天然气高效利用的重要方面。以上海某医院为例,基于Trnsys与Matlab软件建立了天然气冷热电联产系统的动态仿真与控制模型。对传统蓄能策略、"主动蓄能"策略和新型蓄能策略进行了描述。利用该模型计算了系统在不同蓄能容量与控制策略下的效率、一次能源节约率和投资回收期,并进行了对比分析。结果表明,"主动蓄能"策略下联供系统对建筑供能的贡献率低,性能差于其他蓄能策略;新型蓄能策略下的系统运行时间能得到很大的延长。它能有效发挥蓄能设备的作用,使联供系统为建筑提供更多的高效能量。电力不能上网的条件下,联供系统的节能潜力受到很大的限制。

引用

页码：311 / 317

页数：7

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