先进绝热压缩空气储能系统储能阶段建模仿真和动态分析

doi:10.3976/j.issn.1002-4026.20230171

山东科学 ›› 2024, Vol. 37 ›› Issue (5): 42-54.doi: 10.3976/j.issn.1002-4026.20230171

先进绝热压缩空气储能系统储能阶段建模仿真和动态分析

李双江¹(), 肖枫², 陈伟², 张斌²^,^*(), 朱青³, 王子杰¹, 武洋¹

1.中国电建集团河北省电力勘测设计研究院有限公司,河北石家庄 050031
2.青岛科技大学机电工程学院,山东青岛 266061
3.中电建新能源集团股份有限公司,北京 100020

收稿日期:2023-12-06 出版日期:2024-10-20 发布日期:2024-09-29
通信作者: 张斌 E-mail:lishj@hbed.com.cn;zb-sh@163.com
作者简介:李双江(1982—),男,正高级工程师,研究方向为火力发电及新型储能相关技术。E-mail:lishj@hbed.com.cn
基金资助:
中国电建集团河北省电力勘测设计研究院有限公司科技计划项目(DJ-ZDXM-2022-17)

Modeling, simulation and dynamic analysis of the energy stage of advanced adiabatic compressed air energy storage system

LI Shuangjiang¹(), XIAO Feng², CHEN Wei², ZHANG Bin²^,^*(), ZHU Qing³, WANG Zijie¹, WU yang¹

1. China Power Construction Group Hebei Electric Power Survey and Design Research Institute Co., Ltd., Shijiazhuang 050000, China
2. College of Mechanical and Electrical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
3. CLP New Energy Group Co., Ltd., Beijing 100020, China

Received:2023-12-06 Online:2024-10-20 Published:2024-09-29
Contact: ZHANG Bin E-mail:lishj@hbed.com.cn;zb-sh@163.com

摘要/Abstract

摘要：

能源和环境问题日益突出,可再生能源快速发展,其存在的间歇性是制约其发展的关键性问题之一。先进绝热压缩空气储能系统(AA-CAES)是解决可再生能源间歇性的有效方法。建立了AA-CAES储能阶段的数学模型并进行了能量守恒、?平衡、各部件关键参数的动态分析和敏感性分析。结果表明,提出的数学模型遵循能量平衡和?守恒定律;压缩机的?损失大于换热器;能量和?分别主要储存在导热油和高压空气中;压缩机运行工况与设计的偏差使储能阶段效率变低;空气流速和第一级透平入口温度对运行时间的影响大于储气温度、绝热效率和储气质量。本文研究为根据实际需求调节参数和优化储能系统提供参考。

关键词: 先进绝热压缩空气储能, 能量分析, ?分析, 动态特性, 建模仿真

Abstract:

Energy and environment problems are becoming increasingly prominent, renewable energy is developing rapidly, and its intermittency is one of the key problems restricting its development. Advanced adiabatic compressed air energy storage (AA-CAES) is an effective method to address the intermittency of renewable energy. In this study, a mathematical model for the energy storage stage of AA-CAES is established, and dynamic and sensitivity analysis of the conservation of energy, energy balance, and key parameters of each component are conducted. The results reveal that the proposed mathematical model follows the laws of conservation of energy and exergy balance; the exergy loss of the compressor is greater than that of the heat exchanger; energy and heat are mainly stored in heat transfer oil and high-pressure air, respectively; the deviation between compressor operating and design condition reduces the efficiency; the effect of the air flow rate and inlet temperature of the first-stage turbine on the operation time is greater than that of the storage temperature, adiabatic efficiency and stored air mass. This paper provides reference for adjusting parameters and optimizing energy storage system according to actual demand.

Key words: advanced adiabatic compressed air energy storage, energy analysis, exergy analysis, dynamic characteristics, modeling and simulation

中图分类号:

TK02

李双江, 肖枫, 陈伟, 张斌, 朱青, 王子杰, 武洋. 先进绝热压缩空气储能系统储能阶段建模仿真和动态分析[J]. 山东科学, 2024, 37(5): 42-54.

LI Shuangjiang, XIAO Feng, CHEN Wei, ZHANG Bin, ZHU Qing, WANG Zijie, WU yang. Modeling, simulation and dynamic analysis of the energy stage of advanced adiabatic compressed air energy storage system[J]. Shandong Science, 2024, 37(5): 42-54.

图/表 16

图1

表1

图2

图3

表2

储能阶段设计参数"

部件	设计参数	数值	部件	设计参数	数值
C1/C2/C3	质量流量 $q m, 0$ /(kg·s^-1)	40.05	HX3	空气质量流量 $q m, a i r, 0$ /(kg·s^-1)	40.05
	转速n₀/(r·min^-1)	9 600		导热油质量流量 $q m, o i l, 0$ /(kg·s^-1)	28.73
	压比ε₀	4.8		传热系数X₀/(J·K)	208.09
	绝热效率η₀	0.8		压力损失ΔP₀/Pa	2 000
HX1	空气质量流量 $q m, a i r, 0$ /(kg·s^-1)	40.05	AT
	导热油质量流量 $q m, o i l, 0$ /(kg·s^-1)	22.51
	传热系数X₀/(kJ·K^-1)	219.24		容积V/m³	9 313
	压力损失ΔP₀/Pa	2 000		初始压力P/MPa	3.2
HX2	空气质量流量 $q m, a i r, 0$ /(kg·s^-1)	40.05		储气压力P/MPa	10.0
	导热油质量流量 $q m, o i l, 0$ /(kg·s^-1)	26.87		入口阻力系数K/(kg·s^-1·Pa^-1)	10 000
	传热系数X₀/(kJ·K^-1)	199
	压力损失ΔP₀/Pa	2 000

表2

图4

表3

图5

表4

图6

图7

图8

图9

图10

图11

图12

参考文献 15

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符号	定义	单位	符号	定义	单位
w	功率	kW	n	转速	r/min
c_p	定压比热容	kJ·kg/K	Q	换热量	kW
κ	比热容比		Δ	参数差值
T	温度	K	u	比内能	kJ/kg
ε	压比		ρ	密度	kg/m³
η	效率		c	空气流速	m/s
h	焓	kJ/kg	V	体积	m³
P	压力	MPa	v	比体积	m³/kg
w	功率	kW	φ	阻力系数
q_m	质量流量	kg/s	s	比熵	kJ/( kg·K)
τ	时间	s或h	E_n	能量	MJ
G	折合流量	m·s·K^0.5	E_x	㶲	MJ

部件	能量	数值/MJ
C1	压缩机耗功,E_n,in,C1	7.918
C2	压缩机耗功,E_n,in,C2	7.922
C3	压缩机耗功,E_n,in,C3	8.070
HX1	导热油储热,E_n,out,HX1	-7.358
HX2	导热油储热,E_n,out,HX2	-8.275
HX3	导热油储热,E_n,out,HX3	-8.637
Air	空气焓差,E_n,in,air	0.361
压缩过程总能量	0

部件	能量	数值/MJ
C1	压缩机㶲输入,E_x,in,C1	7.918
	压缩机㶲损失,E_x,des,C1	-0.980
C2	压缩机㶲输入,E_x,in,C2	7.922
	压缩机㶲损失,E_x,des,C2	-0.963
C3	压缩机㶲输入,E_x,in,C3	8.070
	压缩机㶲损失,E_x,des,C3	-1.035
HX1	换热器㶲输出,E_x,out,HX1	-1.432
	换热器㶲损失,E_x,des,HX1	-0.501
HX2	换热器㶲输出,E_x,out,HX2	-1.539
	换热器㶲损失,E_x,des,HX2	-0.668
HX3	换热器㶲输出,E_x,out,HX3	-1.572
	换热器㶲损失,E_x,des,HX3	-0.681
Air	空气㶲输出,E_x,out,air	-14.537
压缩过程总㶲		0

先进绝热压缩空气储能系统储能阶段建模仿真和动态分析

Modeling, simulation and dynamic analysis of the energy stage of advanced adiabatic compressed air energy storage system

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