Abstract
AbstractThe distribution static synchronous compensator (D-STATCOM) is a shunt-connected current injection custom power (CP) device that can be used for improving quality and reliability of the power supplied to electric consumers under dynamic conditions of the distribution system. The CP devices such as dynamic voltage restorer and unified power quality conditioner including D-STATCOM are mostly designed and implemented using voltage source converter topology. The performance of D-STATCOM can be improved, if it is realized by using a current source converter topology which can generate a controllable current directly at its output terminals. Although the current source converter (CSC) topology offers many promising advantageous features, not much research publications with CSC-based approach in the field of CP devices has been reported over the last one decade. This paper presents a novel method of realizing a D-STATCOM using CSC topology with an integrated fuzzy-PI controller for not only mitigating vo...
Highlights
Modern electric power system networks are highly interconnected and the performances of the most of the loads connected to such systems are very much sensitive to the power quality
This paper presents a novel method of realizing a D-STATCOM using current source converter topology with an integrated fuzzy proportional integral (PI) controller for mitigating voltage sag and capable of maintaining improved DC-link voltage profile which is a great challenge where an inductor is used as an energy storage element instead of a precharged capacitor as in the case of voltage source converters (VSC)
The application of power electronics technology in power transmission and distribution system has led to the design and implementation of new engineering systems, viz. flexible AC transmission system (FACTS) devices and custom power (CP) devices, which are capable of solving various types of power quality problems (Acha, Agelidis, Anaya-Lara, & Miller, 2006; Hingorani, 1995; Hingorani, & Gyugyi, 2013)
Summary
The use of CSC topology in the custom power applications which has not been the focus of many researchers for a long time due to various reasons is explored through this paper. The model has been simulated in the MATLAB/SIMULINK. The simulation results under steady state and dynamic load perturbation provide excellent output characteristics that support the validity of the proposed model. This paper will pave the way for initiating the application of CSC topology in other types of custom power devices so as to enhance power quality in the future. Subjects: Electrical & Electronic Engineering; Engineering & Technology; Power Engineering; Systems & Controls
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