ABSTRACT This paper presents a novel approach to sensorless speed control of brushless DC (BLDC) motors using the concept “Commutation Table”, leveraging an effective combination quadratic boost and quasi‐Z source DC–DC converters achieve high‐voltage gain (HVG). The proposed system addresses challenges maintaining consistent motor performance efficiency in varying load conditions input voltages, which is crucial for applications such as electric vehicles (EVs), industrial automation,...

This paper describes the application of single input fuzzy logic controller (SIFLC) for three-phase shunt active power filter. The advantage is that it does not require mathematical modelling system. two-input to filter reported in literature. But needs large set rules optimum performance. SIFLC reduces conventional controller. offers a significant reduction rule inferences and simplifies tuning control parameters. An designed two-level A with simulated nonlinear load MATLAB Simulink...

This article proposes a three-level shunt active power filter for quality improvement using type-2 fuzzy logic controller (T2FLC). The reference compensating current is extracted the P-Q theory. majority of works previously reported are based on two-level inverters with conventional Proportional integral (PI) controller, which requires rigorous mathematical modeling system. In this paper, T2FLC controlled proposed to overcome problem associated PI controller. algorithm applied controlling...

In this article, brushless dc motor speed control using a high gain converter is proposed. The high-gain utilized to regulate the DC link voltage of six-step inverter. switching pulses for inverter are generated rotor position sensed by hall-effect sensor. controlled an outer loop and inner current BLDC with A comparative study Boost converter-fed carried out. simulation shows that outperform than boost fed six step

In this study, a three-level T -type multilevel inverter-based DSTATCOM for grid-connected operations is introduced. This MLI incorporates the benefits of two-level voltage source inverter, including lower switching component count, losses, as well simplified control operations, with advantages such losses and enhanced output waveforms. The d-q reference frame used to develop system -based in mode. maximum power point tracking (MPPT) methodology, performed using perturb observe method,...

This article proposes a high-gain boost converter (HGBC) using switched-inductor (SI) with six-step inverter for speed control of the BLDC motor. The proposed topology is used to by controlling DC link High Gain Boost Converter (HGBC). HGBC controlled regulation loop and inner current loop. A hall sensor-based electronic commutation system generate switching pulse inverter. Using MATLAB/Simulink simpower block packages, simulation analysis an utilizing conducted. improved architecture has...

In this paper; a new hybrid three phase four wire dynamic static compensator (3P4W DSTATCOM) is proposed for compensation of current harmonics; reactive power and neutral line in three-phase four-wire electrical distribution system (3P4W). The 3P4W DSTATCOM consists 3P3W DSTATCOM. realized by AC capacitor used compensating the nonzero-sequence currents harmonic system. connected to capacitors; which results reduction rating between capacitors interfacing inductors compensates source cause...

This paper present a neural network based shunt active power filter for quality improvement. It is used to improve by compensating harmonics and reactive requirement of non-linear loads. The compensation process proposed simple, on sensing source currents regulating the dc link voltage. Artificial (ANN) control voltage in place traditional proportional plus integral controller. ANN controller trained offline using data from PI performance compared with MATLAB/Simulink simulation study.

In this paper, a cascaded PWM five level inverter used as DSTATCOM. The multilevel has capabilities to suppress low harmonics distortion with reduced switching losses. And also compensate the reactive current of nonlinear load. DSTATCOM control strategy is based on neural network (least mean square (LMS)). dc link voltage shunt regulated type-2 fuzzy logic controller (T2FLC). performance T2FLC simulated MATLAB/Simulink Simpower block sets. obtained result shows that proposed desired performance.

In this paper, a new three-phase four-wire active power filter (APF) based on zigzag transformer, three phase voltage source inverter (VSI) and single is proposed for quality improvement. The hybrid APF used the compensation of reactive power, harmonic currents, neutral current load balancing at point common coupling. transformer providing path to zero-sequence compensates utility up some extent. rest current. insulated gate bipolar transistor (IGBT) VSI supported by inductor controlled...

In this article the powerful three-level neutral point clamped (ANPC) inverter used as a distributed static compensator (DSTATCOM). The active has advantages of low harmonic distortion and minimized shifting loss. is DSTATCOM eliminating harmonics nonlinear load reactive energy. Traditionally, differential integral controller to regulate voltage current dc connection DSTATCOM. For comprehensive mathematical modeling overall system, proportional requires it tedious process. order overcome...

This paper presents diode clamped multilevel inverter as active power filter for elimination of harmonics current present in the nonlinear load. The circuit is comprised three level DCMLI with DC bus capacitors. absorbs load and to inject reactive requirement Two different control schemes are tailored estimate tracking currents filters. conventional least mean square (LMS) adjustable step-size algorithms presented estimation. modulation technique based shift scheme regulator used track...

In this paper, five level distributed static compensator (DSTATCOM) is demonstrated to reduce harmonics efficiently. The topology of the DSTATCOM consists cascaded H-hridge multilevel inverter (CHBMLI), de link and interfacing inductor. dc voltage regulated with single input fuzzy logic controller. concept SIFLC derived from conventional FLC signed distance. This simplification allows control surface approximated piece wise linear (PWL). PWL used for individual capacitor regulation....

A three-phase four-wire active power filter is proposed in this article that consists of a three-wire filter, zero-sequence transformer, and single-phase filter. The reference current for tracking the desired source based on neural network (constraint anti-Hebbian rule algorithm). compensates harmonics reactive requirement non-linear load. transformer are used to mitigate neutral current. hybrid scheme (three-phase filter) significantly reduces volt–ampere rating improves performance under...

For the improvement power quality in three phase four wire distribution system; a star-delta transformer based dynamic static compensator (DSTATCOM) has been proposed. The proposed hybrid DSTATCOM (3P4W DSTATCOM) is comprising of AC capacitor; (3P3W DSTATCOM); and single neutral line compensator. A control scheme on least mean square algorithm used for reference current estimation. are to mitigate current. This approach reduces rating semi-conductor switches 3P4W improves performance under...