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Research Journal of Engineering and Technology
Year : 2018, Volume : 9, Issue : 4
First page : ( 387) Last page : ( 395)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2018.00052.1

Comparison of Different Control Strategies for Shunt Active power filters using HBCC Technique

Chandra Dinesh1,*, Kumar Krishan2

1Department of Electrical Engineering, MIT, Bikaner, India

2Department of Electrical Engineering, MIT, Bikaner, India, krishankaler@gmail.com

*Corresponding Author E-mail: prajapat73@gmail.com

Online published on 18 May, 2019.

Abstract

From the last decade quality of the output power delivered from the utilities has become a major concern of the modern industries. These power quality associated problems are voltage sag, surge, flicker, voltage imbalance, interruptions and harmonic problems. These power quality issues may cause problems to the industries ranging from malfunctioning of equipments to complete plant shut downs. Those power quality problems affect the microprocessor based loads, process equipments, sensitive electric components which are highly sensitive to voltage level fluctuations. It has been identified that power quality can be degraded both due to utility side abnormalities as well as the customer side abnormalities. To overcome the problems caused by customer side abnormalities so called custom power devices are connected closer to the load end. The proposed control strategies has been tested and verified in MATLAB/SIMULINK environment. These control strategies tested on different sets of loads to predict the performance of shunt Active power filter. (i)In Active Current Component Theory, DC capacitor voltage is used to generate reference currents. The regulation of the capacitor voltage carries the information of reactive power exchange between Shunt Active Power Filter and load. (ii) In Synchronous Reference Frame Theory, load current is used to generate reference currents using ‘abc’ to d-q transformation. It has been verified with simulation results that Synchronous Reference Frame Theory based Shunt Active Power Filter can able to compensate power quality problem more than Active current Component Theory based Shunt Active Power Filter also Performance of shunt Active power filter has been verified by three phase balanced voltage source type controlled nonlinear load with simulation results.

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Keywords

Active Current Component Theory, Active Power Filter, DC capacitor, Harmonics, Synchronous Reference Frame Theory.

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