Improved Instantaneous Flux and Current Control for Three-Phase Dual-Active Bridge DC-DC Converters

2021 ◽  
Author(s):  
Rafael Goldbeck ◽  
Jingxin Hu ◽  
Rik W. De Doncker
Keyword(s):  
Current Control ◽  
Dual Active Bridge ◽  
Three Phase

Improved Instantaneous Current Control for High-Power Three-Phase Dual-Active Bridge DC–DC Converters

2014 ◽  
Vol 29 (8) ◽  
pp. 4067-4077 ◽  
Author(s):  
Stefan P. Engel ◽  
Nils Soltau ◽  
Hanno Stagge ◽  
Rik W. De Doncker
Keyword(s):  
High Power ◽  
Current Control ◽  
Dual Active Bridge ◽  
Three Phase ◽  
Instantaneous Current

scholarly journals Current optimal control method for three-phase dual active bridge converter in light load conditions

2021 ◽  
Vol 300 ◽  
pp. 01009
Author(s):  
Xiaobin Mu ◽  
Xiang Wang ◽  
Fengjiao Dai
Keyword(s):  
Control Method ◽  
Storage System ◽  
Time Domain Analysis ◽  
Energy Storage System ◽  
Current Control ◽  
Dual Active Bridge ◽  
Light Load ◽  
Three Phase ◽  
Low Efficiency ◽  
Load Conditions

Three-phase dual active bridge converter has many performance advantages, and is widely used in electric vehicle charging, battery energy storage system, power electronic transformer, and other energy conversion occasions. However, in the traditional control method, it has the problem of low efficiency under light load conditions. In this paper, firstly, the power and current expressions of the converter under light load conditions are solved by time-domain analysis, and an optimal current control method under light load conditions is proposed. This control method can simultaneously realize the minimum inductance current stress and RMS. Finally, the effectiveness of this method is verified by experiments.

Instantaneous Flux and Current Control for a Three-Phase Dual-Active Bridge DC–DC Converter

2020 ◽  
Vol 35 (2) ◽  
pp. 2184-2195 ◽  
Author(s):  
Jingxin Hu ◽  
Shenghui Cui ◽  
Sihan Wang ◽  
Rik W. De Doncker
Keyword(s):  
Current Control ◽  
Dual Active Bridge ◽  
Three Phase

Inductor Saturation Compensation in Three-Phase Three-Wire Voltage-Source Converters via Inverse System Dynamics-I

2020 ◽  
Author(s):  
Ziya Özkan ◽  
Ahmet Masum Hava
Keyword(s):  
Dynamic Model ◽  
Dynamic Performance ◽  
Current Control ◽  
Inverse System ◽  
Voltage Source ◽  
Voltage Source Converter ◽  
Two Phase ◽  
Inverse Dynamic ◽  
Three Phase ◽  
Steady State Current

In three-phase three-wire (3P3W) voltage-source converter (VSC) systems, utilization of filter inductors with deep saturation characteristics is often advantageous due to the improved size, cost, and efficiency. However, with the use of conventional synchronous frame current control (CSCC) methods, the inductor saturation results in significant dynamic performance loss and poor steady-state current waveform quality. This paper proposes an inverse dynamic model based compensation (IDMBC) method to overcome these performance issues. Accordingly, a review of inductor saturation and core materials is performed, and the motivation on the use of saturable inductors is clarified. Then, two-phase exact modelling of the 3P3W VSC control system is obtained and the drawbacks of CSCC have been demonstrated analytically. Based on the exact modelling, the inverse system dynamic model of the nonlinear system is obtained and employed such that the nonlinear plant is converted to a fictitious linear inductor system for linear current regulators to perform satisfactorily.

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