大功率电磁热储能系统感应加热仿真研究

doi:10.11985/2015.09.002

电气工程学报 ›› 2015, Vol. 10 ›› Issue (9): 8-14.doi: 10.11985/2015.09.002

• 电气工程新技术专刊——本专刊由沈阳工业大学电气工程学院供稿，组稿人为张凤阁教授 • 上一篇下一篇

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大功率电磁热储能系统感应加热仿真研究

焦永刚¹,张凤阁¹,殷孝雎^1,²

^1. 沈阳工业大学电气工程学院沈阳 110870
^2. 沈阳工程学院沈阳 110136

收稿日期:2015-07-23 出版日期:2015-09-25 发布日期:2015-09-25
作者简介:焦永刚男 1990年生,硕士研究生,研究方向为电机与电器。|张凤阁男 1963年生,教授,博士生导师,研究方向为特种电机及其控制。

Simulation Research on Induction Heating Technology of High Power Electromagnetic Thermal Energy Storage System

Jiao Yonggang¹,Zhang Fengge¹,Yin Xiaoju^1,²

^1. Shenyang University of Technology Shenyang 110870 China
^2. Shenyang Institute of Engineering Shenyang 110136 China

Received:2015-07-23 Online:2015-09-25 Published:2015-09-25

摘要/Abstract

摘要：

本文以24kHz/100kW的电磁热储能系统为研究对象,系统采用电磁感应加热的方式,将由新能源发电系统产生的清洁电能转化成为热能,并将这些热能加以利用或者存储在水中。首先应用Ansoft-Maxwell对感应加热模型进行涡流场仿真分析得到磁场分布,利用得到的磁感应强度计算流体场热源。然后应用Ansys/Fluent对感应加热模型进行三维流体温度场仿真分析。感应加热系统的电源设计在电磁热储能系统中有着至关重要的地位,应用Matlab/Simulink对感应加热电源串联谐振电路进行建模仿真分析,得到谐振状态下的电路特性曲线,给出了PLL锁相环信号、PWM全桥逆变触发信号等波形,为电磁热储能系统的感应加热电源的研究和开发提供了一定理论依据。

关键词: 电磁热储能, 涡流场, 电磁感应加热, 流体温度场, 串联谐振电路

Abstract:

24kHz/100kW electromagnetic thermal energy storage system is took as the research object in the paper. The system turn the clean electrical energy from the new energy power generation system into heat by electromagnetic induction heating, and the heat will be used or stored. Firstly, Ansoft-Maxwell is used to get the magnetic induction intensity of the electromagnetic induction heating model in eddy current field. Then Ansys/Fluent is used to analysis the fluid temperature field of the electromagnetic induction heating model. The power supply design of induction heating system plays a vital role in the electromagnetic thermal energy storage system. Matlab/Simulink is used to model and simulate the series resonance circuit of electromagnetic induction heating power source, the circuit characteristic curve of the resonance condition is got. The simulation shows the PLL phase-locked loop signal, the PWM full bridge inverter trigger signal. The research provides a theoretical basis for the induction heating power supply of electromagnetic thermal energy storage system.

Key words: Electromagnetic thermal energy storage, eddy current field, electromagnetic induction heating, fluid temperature field, series resonance circuit

中图分类号:

TM315

焦永刚,张凤阁,殷孝雎. 大功率电磁热储能系统感应加热仿真研究[J]. 电气工程学报, 2015, 10(9): 8-14.

Jiao Yonggang,Zhang Fengge,Yin Xiaoju. Simulation Research on Induction Heating Technology of High Power Electromagnetic Thermal Energy Storage System[J]. Journal of Electrical Engineering, 2015, 10(9): 8-14.

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参数	数值
Q235电阻率/Ω·m	14×10^-8
Q235相对磁导率	250
Q235导热系数/[W/(m·k)]	43
线圈电流有效值I₁/A	200
线圈截面积/mm²	50
线圈匝数N	100
功率因数cos φ₁	0.945
电源频率f /Hz	24 000
金属管长度/mm	1 000
金属管外径/mm	108
金属管壁厚a/mm	2
涡流透入深度Δ/mm	0.078

参数	数值
参考压力/Pa	101 325
参考重力/(N/s²)	9.81
入水口速度v/(m/s)	0.05
外表面散热系数/( W/m²)	5
体热功率密度P/( W/m³)	1.39×10⁸

参数	数值
三相电源电压有效值/V	220
三相电源频率/Hz	50
直流滤波电感L_d/mH	5
直流滤波电容C_d/μF	5 000
串联谐振电路等效电阻R/Ω	2.4
谐振电感L/mH	0.014 7
谐振电容C/μF	17
锁相环初始频率/Hz	24 000
锁相环参数K_p	0.6
锁相环参数K_i	10

大功率电磁热储能系统感应加热仿真研究

Simulation Research on Induction Heating Technology of High Power Electromagnetic Thermal Energy Storage System

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