重力 /飞轮综合储能电机变流并网系统设计及运行特性

doi:10.19799/j.cnki.2095-4239.2022.0386

储能科学与技术 ›› 2022, Vol. 11 ›› Issue (12): 3895-3905.doi: 10.19799/j.cnki.2095-4239.2022.0386

重力 /飞轮综合储能电机变流并网系统设计及运行特性

赵永明¹^,²(), 邱清泉¹^,²^,³(), 聂子攀¹^,²^,³, 罗晓悦¹^,², 肖立业¹^,²^,³

^1.中国科学院大学北京 100049
^2.中国科学院电工研究所北京 100190
^3.齐鲁中科电工先进电磁驱动技术研究院山东济南 250000

收稿日期:2022-07-11 修回日期:2022-08-18 出版日期:2022-12-05 发布日期:2022-12-29
通讯作者: 邱清泉 E-mail:zhaoyongming@mail.iee.ac.cn;qiuqingquan@mail.iee.ac.cn
作者简介:赵永明（1998—），男，硕士研究生，研究方向为物理储能系统的设计与控制，E-mail： zhaoyongming@mail.iee.ac.cn；
基金资助:
齐鲁中科电工先进电磁驱动技术研究院科研基金项目（重力势能储能的关键技术研究），国网公司科技项目(5419-202240053A-1-1-ZN)

Design and operating characteristics of a grid-connected motor-converting system for gravity/flywheel integrated energy storage

Yongming ZHAO¹^,²(), Qingquan QIU¹^,²^,³(), Zipan NIE¹^,²^,³, Xiaoyue LUO¹^,², Liye XIAO¹^,²^,³

^1.University of Chinese Academy of Sciences, Beijing 100049, China
^2.Institute of Electrical Engineering Chinese Academy of Sciences, Beijing 100190, China
^3.Institute of Electrical Engineering and Advanced Electromagnetic Drive Technology, Qilu Zhongke, Ji'nan 250000, Shandong, China

Received:2022-07-11 Revised:2022-08-18 Online:2022-12-05 Published:2022-12-29
Contact: Qingquan QIU E-mail:zhaoyongming@mail.iee.ac.cn;qiuqingquan@mail.iee.ac.cn

摘要/Abstract

摘要：

为平滑基于卷扬提升机的重力储能系统中多重物切换导致功率的间歇性和波动性，提出了以重力储能为主、飞轮储能为辅的综合物理储能系统设计和控制策略。首先对重力储能系统和飞轮储能系统的工作原理、控制方法以及电动/发电机和变流器等关键部件进行分析，构建了重力储能和飞轮储能电机并网系统模型；然后仿真两种储能系统在充电、待机和放电工况下，机侧和网侧的相电压、相电流等参数的变化；最后建立了综合物理储能系统的仿真模型，并开展了两种储能系统匹配运行特性的研究，设计了综合储能系统的能量管理和控制策略，并对其在不同运行工况下的运行特性进行仿真研究，验证了综合物理储能系统结构和控制策略的可行性。

关键词: 重力储能系统, 飞轮储能系统, 综合并网控制, 运行特性

Abstract:

This study proposed an integrated physical energy storage system design and control strategy with gravity energy storage as the main and flywheel energy storage as an auxiliary to smooth the fluctuation and intermittency of discharge caused by multi-weight switching in a gravitational energy storage system based on a skip hoist. First, the study evaluates the working principle, control methods of gravitational energy storage system and flywheel energy storage system, and critical components, such as motor/generator and converter, and further constructs gravitational and flywheel energy storage motor grid-connected system model. Then, the study simulates and analyzes the variation of parameters including the phase voltage and phase current on the machine side and network side of two kinds of energy storage system at charge: stand-by and grid-connected stages. Finally, the study constructs the simulation model of the integrated physical energy storage system, carries out the research on the matching operation characteristics of the two energy storage systems, designs the energy management and control strategy of the integrated energy storage system, and simulates its operating characteristics at different operating stages to verify the feasibility of the structure and control strategy of the integrated physical energy storage system.

Key words: gravity energy storage system (GESS), flywheel energy storage system (FESS), integrated grid-connected control, operating characteristic

中图分类号:

TK 02

赵永明, 邱清泉, 聂子攀, 罗晓悦, 肖立业. 重力 /飞轮综合储能电机变流并网系统设计及运行特性[J]. 储能科学与技术, 2022, 11(12): 3895-3905.

Yongming ZHAO, Qingquan QIU, Zipan NIE, Xiaoyue LUO, Liye XIAO. Design and operating characteristics of a grid-connected motor-converting system for gravity/flywheel integrated energy storage[J]. Energy Storage Science and Technology, 2022, 11(12): 3895-3905.

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参数	数值	参数	数值
额定电压/V	380	d- q轴电感/mH	18.5
额定电流/A	15	磁链/Wb	0.867
额定转矩/(N ·m)	700	相电阻/Ω	0.5
额定转速/(r/min)	100	黏滞摩擦系数/[N ·m/(rad/s)]	0.00049
转动惯量/(kg ·m ²)	5.1	极对数	9

参数	数值
直流母线电压参考值/V	700
网侧相电压有效值/V	220
网侧电压频率/Hz	50
直流侧稳压电容/μF	2000
L_g/mH	1.0
L_conv/mH	1.5
C/μF	1.0

参数	数值	参数	数值
额定电压/V	380	d轴电感/mH	0.102
额定电流/A	16.5	q轴电感/mH	0.292
相电阻/Ω	0.04	磁链/Wb	0.54
额定转速/(r/min)	3600	黏滞摩擦系数/[N ·m/(rad/s)]	0.00010
转动惯量/(kg ·m ²)	1.2	极对数	2

参数	数值	参数	数值
直流母线电压/V	700	网侧电压频率/Hz	50
网侧相电压有效值/ V	220	直流稳压电容/μF	2000
L_g/mH	1.0	C/μF	1.0
L_conv/mH	1.5	P^*/kW	10

参数	数值
GESS模型竖井深度/m	5
GESS模型吊具和重物总质量/kg	1000
GESS电机功率/kW	10
GESS减速箱减速比例	5∶1
FESS电机功率/kW	10
FESS储能量/kJ	50

重力 /飞轮综合储能电机变流并网系统设计及运行特性

Design and operating characteristics of a grid-connected motor-converting system for gravity/flywheel integrated energy storage

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