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[1]周华伟,温旭辉,赵峰,等.一种抑制VSI零电流箝位效应的死区补偿方法[J].电机与控制学报,2011,(01):26-32.
 ZHOU Hua-wei,WEN Xu-hui,et al.Dead-time compensation method of restraining zero-current clamping effects for VSI[J].,2011,(01):26-32.
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一种抑制VSI零电流箝位效应的死区补偿方法(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
期数:
2011年01
页码:
26-32
栏目:
出版日期:
2011-01-20

文章信息/Info

Title:
Dead-time compensation method of restraining zero-current clamping effects for VSI
作者:
周华伟; 温旭辉; 赵峰; 张剑; 郭新华;
中国科学院电工研究所; 中国科学院研究生院;
Author(s):
ZHOU Hua-wei1; 2; WEN Xu-hui1; ZHAO Feng1; ZHANG Jian1; GUO Xin-hua1
1.Institute of Electrical Engineering Chinese Academy of Sciences; Beijing 100190; China; 2.Graduate University of Chinese Academy of Sciences; China
关键词:
空间矢量脉宽调制 电压源逆变器 死区效应 死区时间补偿 零电流箝位效应抑制
Keywords:
space vector pulse width modulation voltage source inverter dead-time effects dead-time compensation time zero-current clamping effects restraint
分类号:
TM464
DOI:
-
文献标志码:
A
摘要:
电压源逆变器低频和轻载时,死区效应导致相电压和相电流畸变、零电流箝位效应等问题。为解决上述问题,分析死区效应和零电流箝位机理,发现了零电流箝位效应产生的一个主要原因,提出一种死区时间补偿策略。该策略无需电流极性检测,在SVPWM基础上,在每个PWM周期内对两个非零空间电压矢量作用时间分别进行补偿,该补偿根据这两个空间电压矢量作用时间之比分配死区补偿时间获得,死区补偿时间通过离线测量得到。实验结果表明,该方法明显地削弱了电流低频谐波,有效地抑制了零电流箝位现象,显著地改善了电流的正弦度,提高了系统低速运行性能。
Abstract:
Voltage source inverter(VSI) has some problems caused by dead-time effects,such as phase-voltage and phase-current distortions,zero-current clamping effects,etc.To solve the problems,dead-time effects and zero-current clamping effects were analyzed,a main cause of zero-current clamping effects was found,and then a dead-time compensation algorithm was proposed.The algorithm doesn’t have to check current polarity.Based on space vector pulse width modulation(SVPWM),the dead-time compensation time was distribut...

参考文献/References:

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备注/Memo

备注/Memo:
国家自然科学基金(50777060)
更新日期/Last Update: 2011-05-24