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d-q and α-β reference frame for a electrical synchronous machine [111]

Dynamic Voltage Restorer for Power Quality Improvement with D-Q Reference Frame

Dynamic Voltage Restorer for Power Quality Improvement with D-Q Reference Frame

... There are several different methods to compensate voltage sags and voltage swells, but the use of a custom power device is considered to be the most efficient method, e.g. FACTS for transmission systems which improve the ...

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Harmonic Mitigation using Modified Synchronous Reference Frame Theory

Harmonic Mitigation using Modified Synchronous Reference Frame Theory

... Therefore, it important to install some corrective measures in system to solve above problem. It is well known that shunt capacitor is good solution for correcting poor power factor. Similarly tuned filter are also used ...

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Performance Evaluation Of Active And Passive Filters For Harmonic Reduction In Electrical Distribution System Based On Synchronous Reference Frame (SRF)

Performance Evaluation Of Active And Passive Filters For Harmonic Reduction In Electrical Distribution System Based On Synchronous Reference Frame (SRF)

... 2 1.2 Problem statement The problem the usually rise in the distribution is the harmonic due to the great number of non-linear load or static power switches [2]. Beyond that, disturbance of harmonic distortion will ...

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Synchronous Reference Frame Detection and Hysteresis Control for Active Power Filters

Synchronous Reference Frame Detection and Hysteresis Control for Active Power Filters

... When the SAPF block is not operating the nonlinear load current are themselves the line currents i sa , i sb and i sc , which causes degradation in power factor and introduces harmonic distortion. When the SAPF block is ...

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Synchronous Reference Frame Based Hybrid Shunt Filter for Current Harmonic Compensation

Synchronous Reference Frame Based Hybrid Shunt Filter for Current Harmonic Compensation

... on synchronous reference frame control strategy has been designed and simulated on ...of electrical source current effectively and also demonstrates the usability of ...

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Voltage Quality Improvement Using DVR Based on Synchronous Reference Frame Theory

Voltage Quality Improvement Using DVR Based on Synchronous Reference Frame Theory

... on Synchronous Reference Frame theory (SRF) is able to detect different types of power quality problems without an error and injects the appropriate voltage component to correct immediately any ...

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Mitigation of Voltage and Current Harmonics using UPQC Base on Synchronous Reference Frame Method

Mitigation of Voltage and Current Harmonics using UPQC Base on Synchronous Reference Frame Method

... © 2017, IRJET | Impact Factor value: 5.181 | ISO 9001:2008 Certified Journal | Page 1726 shunt active filter compensates the harmonic current by using synchronous reference frame (SRF) -based ...

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Fuzzy Logic Based Synchronous Reference Frame Control of MLI- STATCOM in Distribution Network

Fuzzy Logic Based Synchronous Reference Frame Control of MLI- STATCOM in Distribution Network

... ABSTRACT: In this Project Fuzzy based MLI-STATCOM with Synchronous reference frame in Distribution network is presented. In Modern distribution systems have very complex networks connected with ...

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Simulation and Hardware Implementation of Shunt Active Power Filter Based on Synchronous Reference Frame Theory

Simulation and Hardware Implementation of Shunt Active Power Filter Based on Synchronous Reference Frame Theory

... Figure 2. Block diagram representation of Synchronous Reference Frame (SRF) theory 4. Simulation of Shunt Active Power Filter The shunt active power filter (SAPF) design for three phase systems is ...

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Design and development of active power filter for harmonic minimization 
		using synchronous reference frame (SRF)

Design and development of active power filter for harmonic minimization using synchronous reference frame (SRF)

... the electrical system and simulated to show that linear load does not yield any total harmonic distortion since there is no harmonic produced by the linear ...the electrical system before installing ...on ...

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Synchronous reference frame fundamental method in shunt active power filter for mitigation of current harmonics

Synchronous reference frame fundamental method in shunt active power filter for mitigation of current harmonics

... ABSTRACT This research presents compensation of current harmonic disturbance in power system network using shunt active power filter. In this paper, harmonic extraction using Synchronous Reference ...

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Advanced Three-Phase Grid Synchronization Using Synchronous Reference Frame Phase-Locked Loops

Advanced Three-Phase Grid Synchronization Using Synchronous Reference Frame Phase-Locked Loops

... − α (t) and v β − (t) can be used. Since v β − (t) has an amplitude of −V − , the negative component of the space vec- tor rotates clockwise instead of anti-clockwise, thus leading to the I-SRF-PLL ...

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Three-Phase To Two-Phase Transformation Of Asynchronous Machine By Reference Frame Theory

Three-Phase To Two-Phase Transformation Of Asynchronous Machine By Reference Frame Theory

... asynchronous machine mathematical model is proposed, validated and derived in this ...pseudo reference frame theory of three-phase to two-phase conversion for the asynchronous electric machine ...

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Compensation of Voltage Dip and Voltage Swell by Dynamic Voltage Restorer using Synchronous Reference Frame Theory

Compensation of Voltage Dip and Voltage Swell by Dynamic Voltage Restorer using Synchronous Reference Frame Theory

... 1, 2 EEE Department, GITAM Institute of Technology, GITAM (Deemed to be University), Visakhapatnam Abstract: In this paper different voltage infusion schemes are introduced and a new method is used to reduce the rating ...

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Impact of Distributed Power Flow Controller to Improve Power Quality Based on Synchronous Reference Frame Method

Impact of Distributed Power Flow Controller to Improve Power Quality Based on Synchronous Reference Frame Method

... the reference dq- component of DPFC desired injected voltages in the SRF, ...OWER Q UALITY E NHANCEMENT This modeling has been developed using Matlab/Simulink environment as shown in ...

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A SYNCHRONOUS MACHINE WITH AMORPHOUS CORE

A SYNCHRONOUS MACHINE WITH AMORPHOUS CORE

... Keywords: Synchronous machine design, slots, ...1.Introduction Synchronous machines are important electromechanical energy converters; they are generally used as alternating current (AC) ...supply ...

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The novel Reference frame best fit fiber bundle shape recognition by Machine Learning

The novel Reference frame best fit fiber bundle shape recognition by Machine Learning

... Keywords: Reference frame, best fit, fiber bundle, shape recognition, meaning recognition. 1. Introduction Classification is a process for sorting data into a finite set of categories. How to automate the ...

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Keywords: Shunt active power filter, Space vector modulation, Sliding mode control, Synchronous reference frame.

Keywords: Shunt active power filter, Space vector modulation, Sliding mode control, Synchronous reference frame.

... Keywords: Shunt active power filter, Space vector modulation, Sliding mode control, Synchronous reference frame. 1 Introduction The increasing development of the industry has led research in the ...

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Modified Degenerate Carlitz’s q-Bernoulli Polynomials and Numbers with Weight (α, β)

Modified Degenerate Carlitz’s q-Bernoulli Polynomials and Numbers with Weight (α, β)

... Carlitz’s q-Bernoulli polyno- mials and ...Carlitz’s q-Bernoulli polynomials and numbers with weight (α, β) and investigate their some explicit properties and identities arising from the ...

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Synthetic approaches to biologically active carbasugars: “4acarba-β-D-arabinofuranose, 4a-carba-β-D-lyxofuranose, 4a-carba-β-Larabinofuranose, 4a-carba-β-L-lyxofuranose, 4a-carba-α-D-lyxofuranose, 4acarba-β-L-ribofuranose, 5a-carba-β-D-idopyranose, 5a-car

Synthetic approaches to biologically active carbasugars: “4acarba-β-D-arabinofuranose, 4a-carba-β-D-lyxofuranose, 4a-carba-β-Larabinofuranose, 4a-carba-β-L-lyxofuranose, 4a-carba-α-D-lyxofuranose, 4acarba-β-L-ribofuranose, 5a-carba-β-D-idopyranose, 5a-carba-α-DL-idopyranose and heliconol A

... Because of the instability of the generated aldehyde, it has been reacted in situ without isolation and this strategy has been efficiently explored by Madsen et al. for the conversion of carbohydrates to carbocycles. In ...

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