A PI-type dead-time compensation method for vector-controlled GTO inverters

被引：7
|
作者：
Jung, J [1 ]
Nam, K [1 ]
机构：
[1] POSTECH Univ, Dept Elect Engn, Pohang 790784, South Korea
来源：
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 1998年 / 34卷 / 03期
关键词：
dead-time compensation; gate-turn-off thyristor inverters; proportinal-integral-type compensator; snubber circuits;
D O I：
10.1109/28.673714
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the case of voltage-source gate-turn-off thyristor (GTO) inverters, the conventional dead-time compensation methods do not work well, since the terminal voltage of an inverter leg is not constant during the dead-time period, due to the presence of the snubber circuit. We propose a closed-loop dead-time compensation method that regulates the voltage error by a proportional-integral (PI)-type compensator. We show its superior performance by the reduction in current ripple and in the sixth harmonic component of the motor current in the synchronous frame.
引用
收藏
页码：452 / 457
页数：6
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