Enhancing the performance of cascaded three-level VSC STATCOM by ANN controller with SVPWM integegration

Almelian, Mohamad Milood; Mohd, Izzeldin I.; Ahmad, Abu Zaharin; Salem, Mohamed; Mohamed, Izzeldin Ibrahim; Jusoh, Awang; Sutikno, Tole

doi:10.11591/ijece.v9i5.pp3880-3890

Cited by 7 publications

(10 citation statements)

References 19 publications

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“…In this study FLC "Fuzzy logic controller" was used, FLC is adequate for systems that have mathematical model is not easy to derive [20]. Takagi-Sugeno inference mechanism systems is applied in this study [21]. Artificial Neural Network (ANN) is used for tuning the MFs "membership functions" of the Takagi-Sugeno [22].…”

Section: Fuzzy Logic Control Systemsmentioning

confidence: 99%

Voltage profile enhancement in distribution network using static synchronous compensator STATCOM

Suliman¹

2020

IJECE

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STATCOM is one of FACTS devices that used as regulator for transmission and distribution systems which works for reactive power compensation. STATCOM utilisation in distribution system mostly for enhancing the profile of voltage, where used for adjusting the disturbance voltage by injecting into the system a controllable voltage. This paper present a Fuzzy controller based on STATCOM to enhance the voltage profile in distribution network. The controller of STATCOM has simulated for different types of abnormal load conditions of balance and unbalance load. The results of simulation show ability of proposed design to enhance the load voltage which was 96% of the nominal value.

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Section: Fuzzy Logic Control Systemsmentioning

confidence: 99%

Voltage profile enhancement in distribution network using static synchronous compensator STATCOM

Suliman¹

2020

IJECE

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“…From ( 5) to (11) showed the successful centering of the SVPWM middle inverter switching vectors by adding an offset time signal to the inverter gating signals derived from the amplitude of the sampled reference phase voltages. With the use of the pace vector circuit, the obtained switching pattern is depicted in Figure 4; the SVPWM circuit is applicable in any multilevel VSC setting and in the over-modulation region.…”

Section: Figure 3 Svpwm Technique Circuit Diagrammentioning

confidence: 99%

“…There are two ways to control the output voltage of STATCOM; indirectly, it can be controlled by keeping the modulation index (MI) constant while the DC capacitor voltage is varied. A direct way of the control is by altering the MI value while fixing the voltage of the DC capacitor [11]. *…”

Section: Control Circuit Strategymentioning

confidence: 99%

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Enhancement of cascaded multi-level VSC STATCOM performance using ANN in the presence of faults

Almelian¹,

Mohd²,

Ahmad³

et al. 2020

IJPEDS

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A system can be disturbed in terms of stability when connected to a number of loads at the distribution ends or when subjected to faults. To reverse such systems to a stable state, FACTS devices such as static synchronous compensator (STATCOM) are used. In this paper, a cascaded multi-level voltage source converter (VSC) STATCOM was designed and implemented with a novel space vector pulse width modulation (SVPWM) scheme. Artificial neural network (ANN) controller was used instead of instead of Proportional-Integral (PI) controller in the proposed scheme to improve the response time (RT) and performance of STATCOM in terms of power factor (PF) and voltage amplitude during periods of voltage sag. During the implementation, two fault sources (single-line-to-ground (SLG) and line-to- line (LL) faults) were used to create voltage sag. STATCOM was subjected to performance evaluation in the presence of these disturbances via MATLAB simulation in IEEE 3-bus system. The outcome of the simulation studies showed the ANN controller to perform better than PI as it was able to rapidly recover voltage value (<1 cycle) with unity PF.

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“…The current harmonic extraction algorithm serves a major role in developing the required reference current to control the designated SAPF in minimizing the harmonic distortion. Recently, intensive studies on this algorithm have been investigated and were basically categorized under three distinctive groups namely time-domain, frequency-domain and machine learning techniques [9][10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Time-domain harmonic extraction algorithms for three-level inverter-based shunt active power filter under steady-state and dynamic-state conditions-an evaluation study

Al-Ogaili

Ramasamy

Hoon

et al. 2020

IJECE

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Power quality is a major consideration in all office equipment, manufacturies and residential home appliances. Harmonic distortion is one of the crucial power quality issues. In order to mitigate the harmonic distortion, the performance of shunt active power filter (SAPF) is judged in terms of the accuracy and response time of its designed controller. In this context, the controller consists of three parts: harmonic extraction, switching control, and DC-link capacitor. The harmonic extraction technique serves the major role of deriving the required reference current to ensure successful mitigation of current harmonics by SAPF. Among the existing techniques, harmonic extraction algorithms based on time-domain approaches are most widely applied as they offer simple implementation features with increased speed and reduced computational burden. This paper presents detailed investigation and analysis regarding the performance of two famous time-domain harmonic extraction techniques namely, synchronous reference frame (SRF) and instantaneous power (PQ) theory. Extensive simulation work is conducted in MATLAB-Simulink platform under two conditions, which are, steady-state conditions and dynamic-state conditions, considering various highly nonlinear loads. For evaluation purposes, each control algorithm is incorporated into the controller of a three-phase SAPF, developed using a three-level neutral-point-clamped (NPC) inverter. Comprehensive results are provided to confirm mitigation performance of the SAPF utilizing each harmonic extraction algorithm.

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Enhancing the performance of cascaded three-level VSC STATCOM by ANN controller with SVPWM integegration

Cited by 7 publications

References 19 publications

Voltage profile enhancement in distribution network using static synchronous compensator STATCOM

Voltage profile enhancement in distribution network using static synchronous compensator STATCOM

Enhancement of cascaded multi-level VSC STATCOM performance using ANN in the presence of faults

Time-domain harmonic extraction algorithms for three-level inverter-based shunt active power filter under steady-state and dynamic-state conditions-an evaluation study

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