Application of Small-Gain Theorem in the Dead-Time Compensation of Voltage-Source-Inverter Drives

2005 ◽  
Vol 52 (5) ◽  
pp. 1456-1458 ◽  
Author(s):  
J.-H. Su ◽  
B.-C. Hsu
Keyword(s):  
Dead Time ◽  
Voltage Source ◽  
Voltage Source Inverter ◽  
Small Gain Theorem ◽  
Small Gain ◽  
The Dead ◽  
Dead Time Compensation

scholarly journals Control Strategies of Mitigating Dead-time Effect on Power Converters: An Overview

Electronics ◽  
2019 ◽  
Vol 8 (2) ◽  
pp. 196 ◽  
Author(s):  
Yi Ji ◽  
Yong Yang ◽  
Jiale Zhou ◽  
Hao Ding ◽  
Xiaoqiang Guo ◽  
...  
Keyword(s):  
Power Converters ◽  
Dead Time ◽  
Control Strategies ◽  
Time Effect ◽  
Voltage Source ◽  
Voltage Source Converters ◽  
Negative Effects ◽  
Advantages And Disadvantages ◽  
The Dead ◽  
Dead Time Compensation

To prevent short-circuits between the upper and lower switches of power converters from over-current protection, the dead time is mandatory in the switching gating signal for voltage source converters. However, this results in many negative effects on system operations, such as output voltage and current distortions (e.g., increased level of fifth and seventh harmonics), zero-current-clamping phenomenon, and output fundamental-frequency voltage reduction. Many solutions have been presented to cope with this problem. First, the dead-time effect is analyzed by taking into account factors such as the zero-clamping phenomenon, voltage drops on diodes and transistors, and the parameters of inverter loads, as well as the parasitic nature of semiconductor switches. Second, the state-of-the-art dead-time compensation algorithms are presented in this paper. Third, the advantages and disadvantages of existing algorithms are discussed, together with the future trends of dead-time compensation algorithms. This article provides a complete scenario of dead-time compensation with control strategies for voltage source converters for researchers to identify suitable solutions based on demand and application.

Study and Simulation of Dead-Time Compensation for the Voltage Source SVPWM Inverter

2013 ◽  
Vol 300-301 ◽  
pp. 1200-1204
Author(s):  
Shao Chang Chen ◽  
Hui Ying He ◽  
Chao Li ◽  
Chuan Hui Wang
Keyword(s):  
Dead Time ◽  
Time Effect ◽  
Voltage Source ◽  
System Control ◽  
Current Clamp ◽  
Compensation Strategy ◽  
Phase Current ◽  
Zero Current ◽  
The Dead ◽  
Dead Time Compensation

The dead-time effect of the SVPWM inverter was analyzed as well as its effect on the control system performance (distortion of phase voltage and zero-current clamp phenomenon of phase current, etc).Then, basing on the analysis about the generation of the dead-time effect, the error voltage vector compensation strategy was raised. In order to verify the correctness and reasonableness of the compensation strategy, simulation system was constructed in use of Matlab/Simulink software to implement analysis and research. Simulation results show that the zero-current clamp phenomenon of phase current was basically eliminated after using the dead-time compensation. Then spectrum analysis was made for the phase current waveform, which showed that the compensation strategy weakened the fifth and seventh harmonic waveform brought by the dead for the inverter, significantly improved sinusoidal and system control performance of the phase current, and proved the theoretical correctness and experimental feasibility.

scholarly journals Adaptive Dead-Time Compensation of Voltage Source Inverter for Variable Speed Drives

2006 ◽  
Vol 126 (7) ◽  
pp. 872-880 ◽  
Author(s):  
Naomitsu Urasaki ◽  
Tomonobu Senjyu ◽  
Tatsuto Kinjo ◽  
Toshihisa Funabashi ◽  
Hideomi Sekine
Keyword(s):  
Dead Time ◽  
Voltage Source ◽  
Variable Speed ◽  
Voltage Source Inverter ◽  
Variable Speed Drives ◽  
Dead Time Compensation
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