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35 articles for “Harmonic Voltage Technique”
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Solution of Different Problems Related to Active Power Filter Design Using Python
Abstract: ABSTRACTThere are a variety of problems that lead to problems of rising losses and degradation in power quality in AC due to harmonic distortions, voltage sag, voltage spike, flicker, voltage swell, voltage fluctuations, noise and voltage imbalance. In this paper, different problems are analysed and based on their circuit type, input and output value of voltage and current VSI circuit is designed to increase performance in the system. In AC …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 3, 2022 · pp. 1–8 Read article
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Reduce Harmonic Distortion using Pseudorandom PWM Technique
Abstract: Due to harmonic content in the voltage and current wave forms in the power electronic devices working at high frequencies cause mechanical vibrations, acoustic noise, and EMI interference makes the workers uncomfortable. Proposed work deals with a new and effective technique to possess low acoustic noise and mechanical vibration when lower switching frequency is chosen. Pseudo random pulse width modulation the new established technique is used to eliminate this undesirable …
Published in Journal of Microcontroller Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 8–13 Read article
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Analysis of Different Level Half-Bridge Modular Multilevel Inverter
Abstract: Inverter is a power electronics device which is used to convert DC power to AC power at required output voltage and frequency. It can be broadly classified as two level inverters and multilevel inverters. The multilevel inverters are mainly classified as Diode clamped, Flying capacitor inverter and cascaded multilevel inverter. The design and operation of cascaded half bridge modular multilevel inverter (MMC) was very easy. Because, no clamping diode and …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 1–8 Read article
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Intelligent Power Quality Enhancement Strategies for PV-Integrated Smart Distribution Networks: A State-of-the-Art Review
Abstract: The rapid integration of photovoltaic (PV) systems into modern power distribution networks has introduced significant challenges related to power quality. Issues such as voltage fluctuations, harmonic distortion, flicker, and reactive power imbalance arise due to the intermittent and nonlinear nature of solar energy generation. This paper presents a concise literature review of various power quality enhancement techniques employed in PV-integrated networks. Key approaches include the use of active power filters …
Published in International Journal of Electrical Power and Machine Systems · Vol. 4, Issue 1, 2026 · pp. 30–53 Read article
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Improved Power Transfer Capability and Optimization of Photovoltaic Power Plants
Abstract: Grid integration is the process of linking distributed energy resources, such as small-scale photovoltaic systems, to the electrical grid. Improving the power quality in the integrated grid of small-scale solar plants requires addressing many technological issues in order to create a secondary distribution network. Thus, this review provides a thorough synopsis of the current state of the art in power quality improvement methods for grid integration, with a focus on …
Published in Trends in Electrical Engineering · Vol. 15, Issue 3, 2025 · pp. 12–20 Read article
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A New Nine Level Hybrid Multilevel Inverter
Abstract: Multilevel inverters (MLI’s) have been used widely for high power and medium power DC-AC conversion. Researchers are working to reduce total effective cost and enhance the working efficiency of the multilevel inverter. This paper presents a new multilevel hybrid inverter which utilizes eight active powers electronics switches along with asymmetric DC voltage source configuration to synthesize 9-level waveform and produces lower total harmonic distortion (THD) profile comparisons to present typical …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 17–25 Read article
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Enhancement of Power Quality in a DG-Integrated Smart Grid Using UPQC
Abstract: The goal of this presentation would be to demonstrate how an upqc conditioner may be used to improve the strength of a dispersed energy (DG) system (UPQC). Despite the potential advantages of DG, which include increased energy supply, reduced power system growth, and environmental friendliness, there are numerous problems assimilating DG into the system or sustaining it in standby mode. Voltage profile (PQ) is a significant technological barrier in dispersed …
Published in Journal of Microcontroller Engineering and Applications · Vol. 9, Issue 1, 2022 · pp. 29–34 Read article
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Design and Simulation of Phase-Integral Switching Control
Abstract: The Class of ac power controllers consists of switching regulator which connects and disconnects the load to the supply according to the required power. The two voltage control techniques for regulating the power flow in a.c. voltage controllers are Phase Control and Integral Cycle Control (ICC). Phase control undergoes the limitation of harmonic injection while integral cycle control provides control in integral values only. In the proposed method, both the …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 3, 2012 · pp. 8–13 Read article
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Harmonic Analysis of Single Phase Inverter
Abstract: AbstractIn this paper, study is carried out to investigate the THD of various voltage control signal techniques for single phase PWM inverter. The inverter is implemented using three pulse width modulation techniques- unipolar PWM, modified sine PWM and harmonic injection modulation. The performance of these control schemes are evaluated through simulation in MATLAB/SIMULINK. The obtained THD and fundamental magnitude of the output AC is tabulated.Keywords: Single phase inverter, pulse width …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 2, 2018 · pp. 20–28 Read article
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Simulation of Three Section Multilevel Inverter with Reduced Range of Switches
Abstract: Because of high generation development, the demand and excellent of electric strength ishigher than earlier than. Furthermore, due to the advancement of semiconductor, thespecification of electricity devices and strength conversion method turn out to be stricter. Oneof the energy converters that may remodel DC to AC is called inverter. An inverter is the intermedium to transmit the electricity to other electric device such as an uninterruptibleelectricity supply, servo motor, air-conditioner …
Published in Journal of VLSI Design Tools and Technology · Vol. 10, Issue 1, 2020 · pp. 15–36 Read article
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Harmonic Elimination in Photovoltaic (PV) Systems Using Various Multilevel Inverter Topologies
Abstract: The increasing penetration of photovoltaic (PV) systems into modern power grids necessitates advanced power electronic interfaces capable of delivering high-quality electrical power with minimal harmonic distortion. Multilevel inverters (MLIs) have emerged as an effective solution due to their ability to synthesize near-sinusoidal output voltages with reduced switching losses and electromagnetic interference. This study presents a comprehensive investigation of harmonic elimination in grid-connected PV systems using 5-level, 7-level, and 11-level multilevel …
Published in Trends in Electrical Engineering · Vol. 16, Issue 1, 2025 · pp. 01–18 Read article
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Study of Cascaded H Bridge Multilevel Inverter
Abstract: The inverters are now-a-days used broadly. Inverters are classified as two level inverters and multilevel inverters. There are too many limitations; conventional inverters at high power and high voltage applications. So, multilevel inverters become useful for high power and high voltage applications due to their increased number of levels at the output voltage. The harmonics are reduced by increasing the number of levels and output voltage has a tendency to-end-up …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 45–54 Read article
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Literature Review and Research Gaps in Power Quality Enhancement: From Conventional Methods to Intelligent Solutions
Abstract: Power quality (PQ) has become a critical concern in modern electrical power systems due to the rapid integration of renewable energy sources, proliferation of power electronic devices, and increasing sensitivity of loads. This paper presents a comprehensive literature review and research gap analysis of power quality enhancement techniques, ranging from conventional approaches to emerging intelligent solutions. Traditional methods, including passive filters, capacitor banks, and synchronous condensers, have been widely employed …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 4, Issue 1, 2026 · pp. 38–80 Read article
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Development of Random Pulse Width Modulation in Power Electronics Converter
Abstract: With the new advancement in power electronic devices the high frequency system can often causes acoustic noise, mechanical vibration, EMI related problems in inverter-fed AC machine due to harmonics content in voltage and current waveforms which makes operator feel uncomfortable to work. Proposed work deals with one of the Pulse Modulation Technique, Random Pulse Width Modulation (RPWM), which is a new and effective technique to let the inverter-fed ac motor …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 1, 2016 · pp. 1–8 Read article
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Performance Evaluation of Single Phase Cascaded Nine Level Inverter using Photovoltaic (PV) SystemPerformance Evaluation of Single Phase Cascaded Nine Level Inverter using Photovoltaic (PV) System
Abstract: Multilevel inverters are considered at present as the state of the art power conversion systems for high power and power quality demanding applications. This paper’s objective is to propose a modified cascaded nine-level inverter topology for a virtually sinusoidal output voltage, less number of power switches, results in decreased complexity and reduced total harmonic distortion (THD). The structure is simple and easy to be extended to higher level but also …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 30–47 Read article
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A Review on Solar Multilevel Inverter for the Production of Free Energy Due to the Structure with Long-life Feature
Abstract: Multilevel inverters play a major role in medium voltage, high power and renewable applications. It is also used in certain applications where high switching frequency, and high output voltage gain are required. The switching transient period of a MOSFET should be minimal because a high dv/dt rate could result in permanent damage to the MOSFET. The harmonics present could cause many problems and so it has to be minimized. The …
Published in Journal of Nuclear Engineering & Technology · Vol. 14, Issue 1, 2024 · pp. 13–18 Read article
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Simulation and Analysis of Three Phase VSI using THIPWM and SVPWM Techniques
Abstract: AbstractPWM methods is the most active topic for controlling the power electronic circuit. Several PWM approaches are more and more applied in various innovative applications of power electronics in industries that need greater performance of the system. These days the most relevant PWM method for 3 - phase VSI are SPWM, THIPWM and SVPWM. Out of these three methods SPWM is one of the naivest modulation schemes that can gather …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 3, 2019 · pp. 16–30 Read article
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Sinusoidal Pulse Width Modulation Switching Technique based Single Phase Inverter
Abstract: This paper discusses about the inverter which transfers power from DC source to AC load side. Inverters are usually used in motor drive, static var compensators, uninterruptible power supplies (ups), etc. Pulse Width Modulation (PWM) technique is used because the total harmonics distortion is low as compared with other techniques. The switching scheme of sinusoidal PWM permits control of the frequency and the magnitude of the output. This switching scheme …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 1, 2019 · pp. 34–41 Read article
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Reduction of Harmonics for Isolated Diesel Generation System with DSTATCOM Using Fuzzy
Abstract: This paper presents the compensation of reactive power, harmonics, and unbalanced load current of diesel generator set for an isolated system by controlling voltage source convertor (VSC) which is working as distribution static synchronous compensator (DSTATCOM). Here least mean square based adaptive linear element (ADALINE) is use to extract balanced positive sequence real fundamental frequency component of the load current for converter and used to control DSTATCOM. For fast dynamic …
Published in Journal of Automobile Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 12–22 Read article
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Analysis of Cascaded Multilevel Inverter Induction Motor Drives
Abstract: The goal of this thesis is to use harmonic analysis to learn more about the performance of various cascaded multilevel inverters. To handle the high power demands of large electric drives and utility applications, innovative power electronics converters are required. As a result, in high power and medium voltage conditions, multiple power converter structures have been offered as an option. A multilayer converter not only achieves high power ratings, but …
Published in Journal of Microwave Engineering and Technologies · Vol. 8, Issue 3, 2021 · pp. 22–42 Read article