Revised topology and control strategy of three-phase cascaded bridgeless rectifier

2017 ◽  
Author(s):  
Cong Wang ◽  
Yuan Zhuang ◽  
Jiayi Kong ◽  
Changgeng Tian ◽  
Hong Cheng
Keyword(s):  
Control Strategy ◽  
Three Phase ◽  
And Control

A Two-Leg Converter and Control Strategy to Compensate the Three-Phase Imbalanced and Harmonic Currents

2021 ◽  
Author(s):  
Shuai Zhang ◽  
Linghui Meng ◽  
Jiangpeng Yang ◽  
Tao Yin ◽  
Weiwei Zhu ◽  
...  
Keyword(s):  
Control Strategy ◽  
Harmonic Currents ◽  
Three Phase ◽  
And Control

The Selective Harmonic Detection for the Integration Photovoltaic Generation and Active Power Filter

2011 ◽  
Vol 58-60 ◽  
pp. 781-786
Author(s):  
Yan Dan Lin ◽  
Li Qing Tong ◽  
Yao Jie Sun
Keyword(s):  
Control Strategy ◽  
Detection Method ◽  
Active Power Filter ◽  
Active Power ◽  
Positive Sequence ◽  
Harmonic Detection ◽  
Power Filter ◽  
Three Phase ◽  
Frequency Domains ◽  
And Control

To improve the utilization of the inverter of the photovoltaic grid connected systems and decrease the harmonic of the grid, a novel selective harmonic detection method based on the synchronous rotator frame is proposed. Utilizing three-phase Park transform, the rotator vector is transferred to the static vector, and the synchronous harmonic is separated and acquired. The characteristic of negative and positive sequence harmonic is fleetly and exactly presented in all frequency domains. Additional, a new control strategy based on this harmonic detection is proposed for the integration photovoltaic grid connected generation and active power filter. Validity and practicality of the proposed selective harmonic detection method and control strategy are proved.

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