A new adaptive dead-time compensation for single-phase grid-connected PV inverter

2011 ◽  
Author(s):  
Trung-Kien Vu ◽  
Byung-Moon Han ◽  
Hanju Cha
Keyword(s):  
Single Phase ◽  
Dead Time ◽  
Pv Inverter ◽  
Dead Time Compensation

scholarly journals Model Predictive Current Control with Fixed Switching Frequency and Dead-Time Compensation for Single-Phase PWM Rectifier

Electronics ◽  
2021 ◽  
Vol 10 (4) ◽  
pp. 426 ◽  
Author(s):  
Longyun Kang ◽  
Jianbin Zhang ◽  
Hailan Zhou ◽  
Zixian Zhao ◽  
Xinwei Duan
Keyword(s):  
Single Phase ◽  
Dead Time ◽  
Prediction Equation ◽  
Current Control ◽  
Switching Frequency ◽  
Pwm Rectifier ◽  
Action Time ◽  
Optimal Action ◽  
The Dead ◽  
Dead Time Compensation

The research object of this paper is single-phase PWM rectifier, the purpose is to reduce the total harmonic distortion (THD) of the grid-side current. A model predictive current control (MPCC) with fixed switching frequency and dead-time compensation is proposed. First, a combination of an effective vector and two zero vectors is used to fix the switching frequency, and a current prediction equation based on the effective vector’s optimal action time is derived. The optimal action time is resolved from the cost function. Furthermore, in order to perfect the established prediction model and suppress the current waveform distortion as a consequence of the dead-time effect, the dead-time’s influence on the switching vector’s action time is analyzed, and the current prediction equation is revised. According to the experimental results, the conclusion is that, firstly, compared with finite-control-set model predictive control, proportional-integral-based instantaneous current control (PI-ICC) scheme and model predictive direct power control (MP-DPC), the proposed MPCC has the lowest current THD. In addition, the proposed MPCC has a shorter execution time than MP-DPC and has fewer adjusted parameters than PI-ICC. In addition, the dead-time compensation scheme successfully suppresses the zero-current clamping effects, and reduce the current THD.

scholarly journals Adaptive dead time compensation for cross-period single phase shift control of dual active bridge converters

2020 ◽  
Vol 18 ◽  
pp. 327-332
Author(s):  
Szabolcs Veréb ◽  
◽  
András Futó ◽  
Zoltan Sutto ◽  
Attila Balogh ◽  
...  
Keyword(s):  
Phase Shift ◽  
Single Phase ◽  
Dead Time ◽  
Dual Active Bridge ◽  
Shift Control ◽  
Dead Time Compensation

Research on Mitigation of Low Order Harmonics in the Grid-Connected Single-Phase PV Inverter

2014 ◽  
Vol 577 ◽  
pp. 502-505
Author(s):  
Li Yong Yang ◽  
Wei Peng Liu ◽  
Yong Tao Wang ◽  
Xiao Peng Wu ◽  
Yang Yang
Keyword(s):  
Single Phase ◽  
Dead Time ◽  
Bridge Circuit ◽  
Good Effect ◽  
Harmonic Compensation ◽  
Grid Current ◽  
Pv Inverter ◽  
Inverter Topology ◽  
Low Order

In this paper, a single-phase grid-connected photovoltaic (PV) inverter topology consisting of an H-bridge circuit, an inductive filter and a transformer interfacing the grid is considered. To improve the quality of the grid current and eliminate low order harmonics caused by the inverter’s dead time, a strategy of adaptive harmonic compensation method is proposed, and the parameters related are designed. The experiment results show that the proposed method has a good effect to mitigate low order harmonics and can improve the quality of current injected to the grid.

scholarly journals A New On-Line Dead-Time Compensator for Single-Phase PV Inverter

2012 ◽  
Vol 17 (5) ◽  
pp. 409-415 ◽  
Author(s):  
Trung-Kien Vu ◽  
Sang-Hoey Lee ◽  
Han-Ju Cha
Keyword(s):  
Single Phase ◽  
Dead Time ◽  
Pv Inverter ◽  
On Line

scholarly journals Dead time Compensation of Single-phase Grid-connected Inverter Using SOGI

2017 ◽  
Vol 22 (2) ◽  
pp. 166-174
Author(s):  
Ui-Seok Seong ◽  
Jae-Suk Lee ◽  
Seon-Hwan Hwang ◽  
Jang-Mok Kim
Keyword(s):  
Single Phase ◽  
Dead Time ◽  
Grid Connected Inverter ◽  
Dead Time Compensation

Current Reduction Method for Dual Active Bridge Converter in Non-linear Dead-time Compensation Method

2020 ◽  
Vol 140 (3) ◽  
pp. 175-183
Author(s):  
Kengo Kawauchi ◽  
Hayato Higa ◽  
Hiroki Watanabe ◽  
Keisuke Kusaka ◽  
Jun-ichi Itoh
Keyword(s):  
Reduction Method ◽  
Dead Time ◽  
Compensation Method ◽  
Dual Active Bridge ◽  
Non Linear ◽  
Dead Time Compensation ◽  
Current Reduction
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