|本期目录/Table of Contents|

[1]王强,单瑞香,王天施,等.直流母线串联辅助电路的谐振直流环节逆变器[J].电机与控制学报,2016,20(04):27-33.[doi:10. 15938 / j. emc. 2016. 04. 004]
 WANG Qiang,SHAN ui-xiang,WANG Tian-shi,et al.Resonant DC link inverter with series auxiliary circuit on DC bus[J].,2016,20(04):27-33.[doi:10. 15938 / j. emc. 2016. 04. 004]
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
20
期数:
2016年04
页码:
27-33
栏目:
出版日期:
2016-04-01

文章信息/Info

Title:
Resonant DC link inverter with series auxiliary circuit on DC bus
作者:
王强 单瑞香 王天施 刘晓琴 孙海军 韩晓光
( 辽宁石油化工大学 信息与控制工程学院,辽宁 抚顺 113001)
Author(s):
WANG Qiang SHAN Rui-xiang WANG Tian-shi LIU Xiao-qin SUN Hai-jun HAN Xiao-guang
( College of Information and Control Engineering,Liaoning Shihua University,Fushun 113001,China)
关键词:
逆变器 软开关 零电压开关 谐振 串联
Keywords:
inverter soft-switching zero voltage switching resonant series
分类号:
TM 464
DOI:
10. 15938 / j. emc. 2016. 04. 004
文献标志码:
A
摘要:
为实现一种结构简单,控制方便,高效率,高功率密度的逆变器,提出了一种新型谐振直流 环节软开关逆变器的拓扑结构。通过在传统硬开关逆变器的直流环节添加串联在直流母线上的辅 助谐振单元,使直流母线电压周期性地归零,可以实现逆变桥主开关器件的零电压开关,而且辅助 开关器件可以实现零电流开通和零电压关断。此外,辅助谐振单元只有一个辅助开关,硬件成本 低。分析了电路的换流过程和设计规则,并建立起辅助谐振电路损耗的数学模型,讨论了谐振参数 对辅助电路损耗的影响。制作了一个 1 kW 的实验样机,实验结果表明逆变器的主开关和辅助开 关器件都实现了软开关,所以该软开关逆变器能有效地降低开关损耗和提高效率。
Abstract:
A novel resonant DC link soft-switching inverter was proposed to realize a inverter which has a simple topology,an easy control strategy,high efficiency and high power density. Series auxiliary resonant unit on the DC bus was added to DC link of conventional inverter to make DC-bus voltage decrease to zero periodically,which realized zero-voltage operation of all switching devices in inverter. Furthermore,the switching device in the auxiliary resonant unit could be turned on under zero-current and turned off under zero-voltage. In addition,because only one auxiliary switch was in the auxiliary resonant unit,cost of hard-ware was lower. Commutation process of the circuit and design rule were analyzed. The mathematical mod-el for auxiliary resonant circuit loss was established and the influence of resonant parameters on the loss of auxiliary circuit was discussed. A 1 kW laboratory prototype was built. The experimental results demonstrat that soft-switching operation of all switching devices can be realized. Therefore,the soft-switching inverter presented can effectively reduce switching loss and improve efficiency.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2013 - 05 - 26
基金项目: 国家自然科学基金 ( 51207069) ; 辽宁省教育厅科研项目( L2013146) ; 中国博士后科学基金 ( 2013M531349) ; 江苏省博士后科研 资助计划项目( 1301105C)
作者简介: 王 强( 1981 —) ,男,博士,副教授. 硕士生导师,研究方向为软开关逆变器的电路拓扑及控制;
单瑞香( 1990 —) ,女,硕士研究生,研究方向为软开关逆变器的电路拓扑及控制;
王天施( 1970 —) ,男,博士,副教授,研究方向为电力系统继电保护;
刘晓琴( 1975 —) ,女,博士,副教授,研究方向为电力系统故障诊断;
孙海军( 1972 —) ,男,博士,讲师,研究方向为无传感器控制和无轴承电机;
韩晓光( 1970 —) ,男,博士研究生,讲师,研究方向为软开关逆变器的电路拓扑及控制。
更新日期/Last Update: 2016-06-26