scholarly journals Comparative study on the position of shunt active power filters in 25 kV AC railway systems

2012 ◽  
Vol 29 (5) ◽  
pp. 421 ◽  
Author(s):  
Haneol Park ◽  
Joongho Song ◽  
WadaM Hosny
Keyword(s):  
Comparative Study ◽  
Active Power ◽  
Active Power Filters ◽  
Railway Systems ◽  
Power Filters

Comparative Study on Control Strategies of Parallel Hybrid Active Power Filters

2012 ◽  
Vol 614-615 ◽  
pp. 1489-1497 ◽  
Author(s):  
Ding Guo Liu ◽  
Zhi Kang Shuai ◽  
An Luo ◽  
Chun Ming Tu ◽  
Ying Cheng
Keyword(s):  
Theoretical Analysis ◽  
Power System ◽  
Comparative Study ◽  
Control Strategy ◽  
Control Strategies ◽  
Active Power ◽  
Active Power Filters ◽  
System Parameters ◽  
Power Filters ◽  
Parallel Hybrid

In this paper, a comparative study on control strategies of parallel hybrid active power filters (PHAPF) is presented. A universal electric model of three different PHAPF is proposed. The principle for the harmonic current elimination of PHAPF when different control strategies are adopted is analyzed. As the performance of the PHAPF will be influenced by the fluctuation of the power system parameters, a comparative study of the influences when different control strategies are adopted is carried out. The conclusions can help in the choice of an optimal basic control strategy, and guarantee the secure operation of the PHAPF system. Experiments have been carried out to verify the validity of the theoretical analysis in this paper.

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