AC-choppers using instantaneous voltage control technique to solve voltage sag problems

2014 ◽  
Author(s):  
Surin Khomfoi
Keyword(s):  
Voltage Control ◽  
Control Technique ◽  
Voltage Sag ◽  
Instantaneous Voltage

Application of Adaptive Tabu Search Algorithm in Sinusoidal Fryze Voltage Control based Hybrid Series Active Power Filter

2014 ◽  
Vol 3 (2) ◽  
pp. 59-75
Author(s):  
Saifullah Khalid ◽  
Neeraj Kumar ◽  
V.M. Mishra
Keyword(s):  
Tabu Search ◽  
Search Algorithm ◽  
Load Condition ◽  
Active Power Filter ◽  
Voltage Control ◽  
Active Power ◽  
Control Technique ◽  
Tabu Search Algorithm ◽  
Power Filter ◽  
Non Linear

A novel hybrid series active power filter to eliminate harmonics and compensate reactive power is presented and analyzed. The proposed active compensation technique is based in a hybrid series active filter using adaptive Tabu search (ATS) algorithm in the conventional Sinusoidal Fryze voltage (SFV) control technique. Optimization of the conventional Sinusoidal Fryze voltage control technique has been done using adaptive tabu search algorithm. This paper discusses about the comparative performances of conventional Sinusoidal Fryze voltage control strategy and ATS-optimized controllers. ATS algorithm has been used to obtain the optimum value of Kp and Ki. Analysis of the hybrid series active power filter system under non linear load condition and its impact on the performance of the controllers is evaluated. Effectiveness of the hybrid series active power filter to provide harmonic damping is demonstrated by MATLAB/Simulink results. Total harmonic distortion (THD) demonstrates the practical viability of the controller for hybrid series active power filter to provide harmonic isolation of non-linear loads and to comply with IEEE 519 recommended harmonic standards.

scholarly journals SRF based versatile control technique for DVR to mitigate voltage sag problem in distribution system

2020 ◽  
Vol 11 (1) ◽  
pp. 99-108 ◽  
Author(s):  
Essam A. Al-Ammar ◽  
Azhar Ul-Haq ◽  
Ahsan Iqbal ◽  
Marium Jalal ◽  
Almas Anjum
Keyword(s):  
Distribution System ◽  
Control Technique ◽  
Voltage Sag
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