Performance of Dead-Time Compensation Methods in Three-Phase Grid-Connection Converters

2016 ◽  
Vol 136 (1) ◽  
pp. 46-53 ◽  
Author(s):  
Tomoyuki Mannen ◽  
Hideaki Fujita
Keyword(s):  
Dead Time ◽  
Grid Connection ◽  
Compensation Methods ◽  
Three Phase ◽  
Dead Time Compensation

Carrier-Based Modulation Strategy and its Dead-Time Compensation Method on Two-Stage Matrix Converter

2012 ◽  
Vol 562-564 ◽  
pp. 1509-1516
Author(s):  
Xu Dong Guo ◽  
Wen Hua Wu ◽  
Mei Su ◽  
Zhuo Wen Feng ◽  
Qun Tai Shen
Keyword(s):  
Dead Time ◽  
Matrix Converter ◽  
Time Effect ◽  
Compensation Method ◽  
Modulation Method ◽  
Two Stage ◽  
Compensation Methods ◽  
Dead Time Compensation ◽  
Vector Modulation ◽  
Modulation Voltage

To deal with the problem that dead time is indispensable and that its compensation is difficult to implement especially when taking Space Vector Modulation method to modulate the inverter stage of Two-Stage Matrix Converter (TSMC), this paper presents a Carrier-based Modulation (CBM) strategy suitable for the TSMC and amplifies concerned the uniqueness of the proposed CBM. Based on this, the dead-time effect to TSMC is analyzed, formula for describing dead-time effect is induced, and two compensation methods are given, namely modulation voltage modification method and time compensation method. At last, the uncompensated and compensated experiments are carried out on the prototype, and the results prove that this strategy meets the satisfaction.

scholarly journals Novel Dead-Time Compensation Strategy for Wide Current Range in a Three-Phase Inverter

Electronics ◽  
2019 ◽  
Vol 8 (1) ◽  
pp. 92 ◽  
Author(s):  
Jeong-Woo Lim ◽  
Hanyoung Bu ◽  
Younghoon Cho
Keyword(s):  
Dead Time ◽  
Compensation Voltage ◽  
Voltage Source ◽  
Current Phase ◽  
Phase Voltage ◽  
Compensation Strategy ◽  
High Modulation ◽  
Voltage Controller ◽  
Three Phase ◽  
Dead Time Compensation

This paper proposes a novel three-phase voltage source inverter dead-time compensation strategy for accurate compensation in wide current regions of the inverter. In particular, an analysis of the output voltage distortion of the inverter, which appears as parasitic components of the switches, was conducted for proper voltage compensation in the low current region, and an on-line compensation voltage controller was proposed. Additionally, a new trapezoidal compensation voltage implementation method using the current phase was proposed to simplify realizing the trapezoidal shape of the three-phase compensation voltages. Finally, when the proposed dead-time compensation strategy was applied, the maximum phase voltage magnitude in the linear modulation voltage regions was defined to achieve smooth operation even at high modulation index. Simulations and experiments were conducted to verify the performance of the proposed dead-time compensation scheme.

Dead-Time Compensation of SPWM Based on STM32F103

2014 ◽  
Vol 556-562 ◽  
pp. 1660-1664
Author(s):  
Sheng En Zhuang ◽  
Ming Yu Gao ◽  
Xin Xin Zhan ◽  
Liang Wang
Keyword(s):  
Output Voltage ◽  
Dead Time ◽  
Negative Influence ◽  
Compensation Method ◽  
Voltage Waveform ◽  
Simulink Simulation ◽  
Compensation Methods ◽  
Dead Time Compensation ◽  
Time Point

This paper analyzes the negative influence of dead-time,point out the shortcomings of traditional dead-time compensation methods , and then present a dead-time compensation method. Simulink simulation shows that the proposed method is effective. The proposed method is applied to a 15kW inverter which is controlled by STM32F103 MCU,and it can significantly reduce the THD value of the inverter output voltage waveform. The experiment proved that this method is simple and reliable, with good results.

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