Abstract
The paper presents a novel FACTS based Dynamic Voltage Stabilization Scheme (DVSS) for Distribution/Utilization Grid systems. The FACTS device is controlled by using multi loop error driven dynamic control strategies. In order to do this Matlab/Simulink/Simpower Software with GUI interface has been used for all digital simulation models of the all sub system components, DVSS, and the control algorithms. The proposed FACTS-DVSS is controlled by using a multi-loop decoupled controller scheme with either PI, fuzzy logic or sliding mode controllers. The novel FACTS device with flexible controllers is validated under system and load excursions and is proven to be effective in enhancing power quality and electric energy utilization as well as effective dynamic voltage stabilization, transient voltage excursions and inrush current conditions. DOI: http://dx.doi.org/10.5755/j01.eee.20.3.2827
Highlights
As the electrical power generation stations with different types and distributed generation are put into service; Efficient Energy Utilization and Power Quality issues have been one of the major topics in power distribution systems [1]
This paper presents a novel FACTS based dynamic voltage stabilization scheme (DVSS) with newly modified fuzzy logic and sliding mode flexible control strategies driven by the unified error signal (UES) from a multi loop dynamic error controller scheme
The performance of the FACTS DVSS device is evaluated for a case using dynamic control strategies with different controllers such as proportional plus integral (PI), fuzzy logic controller (FLC), and sliding mode controller (SMC)
Summary
As the electrical power generation stations with different types and distributed generation are put into service; Efficient Energy Utilization and Power Quality issues have been one of the major topics in power distribution systems [1]. The combination of linear, nonlinear, and motor type loads have unpredictable effects on the power distribution systems [2]. This paper presents a novel FACTS based dynamic voltage stabilization scheme (DVSS) with newly modified fuzzy logic and sliding mode flexible control strategies driven by the unified error signal (UES) from a multi loop dynamic error controller scheme Both DVSS and UES are modified to meet the requirements for voltage disturbance compensation and current harmonics of distribution/ utilization systems operating under variable conditions. The controllers and the control strategies are developed to have the novel FACTS DVSS be operated for power factor and efficiency improvement, energy losses reduction, power quality, and less current harmonics. The system simulation with proposed control techniques under variable operating conditions are preceded the discussion of the results and conclusions
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