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164 articles for “distortion”
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Influence of Graded Channel on Performance of Symmetric Double Material Gate Insulator FDSOI MOSFET
Abstract: Abstract: In this paper, we investigate the effect on the linearity, analog and RF performance of graded channel in case of hetero-gate-dielectric FDSOI MOSFET with higher doping at source end and low doping at drain end. The major figure of merits (FOMs) studied are on-state drive current (ION), transconductance (gm), total gate capacitance (Cgg), cut-off frequency (fT), higher order derivative of transconductance (gm’, gm’’), intermodulation distortion (IMD3) and third- order …
Published in Journal of Microelectronics and Solid State Devices · Vol. 6, Issue 1, 2019 · pp. 12–17 Read article
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A Combination of Shunt Hybrid Active Power Filter and SVC for Power Quality Improvement
Abstract: Power quality problems have become the most important concern nowadays. Custom power devices (CPD) provide a solution for these power quality problems. There are various types of custom power devices. Out of these devices, harmonic filters are considered in this paper. Passive filter and active filter are combined to form shunt hybrid active power filter, (SHAPF). This paper proposes a hybrid device for power quality improvement. The device includes combination …
Published in Journal of Microelectronics and Solid State Devices · Vol. 4, Issue 2, 2017 · pp. 9–17 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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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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Efficient PCB Fault Detection System using Deep Learning and Image Processing
Abstract: Printed Circuit Boards (PCBs) are essential parts that support the operation of electronic equipment in a variety of sectors. Nevertheless, difficulties that manufacturers regularly face during the PCB manufacturing process lead to defective devices. However, current inspection processes occur after etching, wasting a lot of material and rendering defective PCBs unusable. This study discusses relevant practical difficulties and offers a method for identifying errors in real PCB images using Matlab …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 1–5 Read article
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Single-Phase Two-Stage Multi-Level Inverter Employing Low Number of Switching Devices
Abstract: In recent years, multilevel inverter (MLI) plays a significant role in low or medium voltage applications as a result of generating voltage with reduced harmonic contents. This paper proposes a new version of multi-level inverters (MLI) with reduced switching devices along with reduced harmonics content of output voltage, which results in low switching losses compared with conventional MLI topologies. In addition, the proposed inverter provides low total blocked voltage compared …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 2, 2019 · pp. 22–32 Read article
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Extended Switched Inductor Quasi Z Source Inverter for Photovoltaic Applications
Abstract: A novel extended switched inductor quasi Z source inverter is proposed in this paper for better voltage boosting with improved power factor and reliability. The operation of the proposed inverter is described with its equivalent circuit explaining operating states such as shoot through and non-shoot through states and outlining the relationship between output voltage, total harmonic distortion and power factor. Simple boost scheme is used for switching actions of the …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 2, 2017 · pp. 14–23 Read article
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Comparison of Symmetrical and Asymmetrical Cascaded H-Bridge Inverter with Single DC Source
Abstract: This paper presents the comparison of traditional cascaded H-bridge inverter with isolated DC sources (symmetrical arrangement) and the proposed cascaded H-bridge inverter with single DC source (asymmetrical arrangement). Also, fundamental switching strategy is used to generate the control pulses. A conventional cascaded H-bridge (CHB) inverter requires ‘n’ numbers of DC sources for 2n + 1 levels. Without requiring transformers, the scheme proposed here allows the use of a single DC …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 1, 2012 · pp. 8–17 Read article
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THD Minimization of 27 Level Inverter using FPGA Control Strategy
Abstract: Normally single phase inverter gives only +230 V or –230 V. But multilevel inverter gives the variable output voltage in various levels and also the harmonics are reduced. If harmonics are produced, it affects the output of the load. Most of the industrial applications rely on Induction motors because of the reliable operation, low cost and simple construction. So the Multilevel inverter output is connected to the Induction motor. Here …
Published in Journal of Power Electronics and Power Systems · Vol. 3, Issue 3, 2013 · pp. 39–46 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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Performance of Smes Unit on Artificial Neural Network Based Multi-Area Agc Scheme
Abstract: The main objective of this paper is to develop Fuzzy controller to analyse the performance ofinstantaneous real active and reactive power (p–q) control strategy for extracting reference currents ofshunt active filters under balanced, un-balanced and balanced non-sinusoidal conditions. When the supplyvoltages are balanced and sinusoidal, the all control strategies are converge to the same compensationcharacteristics; However, the supply voltages are distorted and/or un-balanced sinusoidal, these controlstrategies result in different degrees …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 47–58 Read article
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RTDS Hardware Implementation and Simulation of 3-ph 4-wire SHAF for Mitigation of Current Harmonics using p-q Control strategy With Fuzzy Controller
Abstract: The main objective of this paper is to develop Fuzzy controller to analyse the performance of instantaneous realactive and reactive power (p–q) control strategy for extracting reference currents of shunt active filters underbalanced, un-balanced and balanced non-sinusoidal conditions. When the supply voltages are balanced andsinusoidal, the all control strategies are converge to the same compensation characteristics; However, thesupply voltages are distorted and/or un-balanced sinusoidal, these control strategies result in different …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 59–71 Read article
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Adaptive-Hysteresis Current Controller Based Shunt Active Power Line Conditioners for Power Quality Improvements
Abstract: This paper presents three-phase shunt active power line conditioners (APLC) for harmonics and reactive powercompensation due to non-linear loads in the distribution network. The compensation process proposed is asinusoidal extraction control method, which consists of positive-sequence voltage detector for regulating thesupply voltage and instantaneous reactive power (p-q) theory for fundamental extraction from the distorted linecurrent. The shunt active filter voltage source inverter’s switching pulses are generated through an adaptivehysteresiscurrent controller …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 1–13 Read article
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Torque Ripple Minimization of High-Power Fed Induction Motor Drive Using Low Switching Frequency
Abstract: Multi-level inverter has emerged as an important topology in the area of high-power-medium voltage energycontrol applications due to its several advantages such as its good harmonic rejection capability, betteroutput voltage with reduced ripple, reduction of voltage ratings of the power semiconductor switchingdevices and also the reduced electro-magnetic interference problems, etc. This paper presents the torqueripple minimization and the performance under different operating conditions (dynamic and steady state) ofindirect vector-controlled high-power …
Published in Journal of Power Electronics and Power Systems · Vol. 1, Issue 1-2-3, 2011 · pp. 72–83 Read article
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Design and Simulation of Improved Multilevel Inverter For Solar Photovoltaic Applications
Abstract: The energy is extending rapidly, anyway will stand up to the modernization of India and fiscal turn of events, further reviving the pace of the test, especially considering the improvement of India's basic amassing approach needs. Starting late, influence age has extended rapidly, yet the business is filled by neighborhood dispersion associations, circulation frameworks and transmission frameworks, and the cash related condition is moderate and convincing. The display of photovoltaic …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 34–46 Read article
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Harmonic Estimation and its Compensation using D-STATCOM for a Steel Manufacturing Plant
Abstract: Electrical power system having distorted voltage and current waveform generates harmonics. The compensation of the harmonics is greatly required for better performance of the power system. Harmonic is of major concern for the power system containing electric arc furnace (EAF). Since the nature of the arc is highly non-linear and time varying and therefore harmonic analysis becomes important to know the behavior of the power system. This paper presents the …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 2, 2021 · pp. 27–35 Read article
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Design Simulation and Analysis of Zeta Converter for Speed Control of BLDC Motor
Abstract: In recent years, usage of variable speed drive systems has been increasing in various low power applications like automobile industries, domestic appliances, etc. To save the energy consumption of devices, there is a necessity in the usage of green and eco-friendly electronics. For improvement in power factor and speed control, BLDC with Zeta converter is proposed in this paper. Zeta converter is used for voltage regulation due to its wide …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 3, 2021 · pp. 17–32 Read article
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Power Factor Improvement of Boost PFC Converter for Street Light Application
Abstract: Street lighting is an integral part of urban infrastructure, ensuring public safety and urban development. The conventional street lighting systems often exhibit poor power factor characteristics, leading to inefficient energy usage and increased electricity costs. This paper presents a study focused on enhancing the power factor of a Boost Power Factor Correction (PFC) converter tailored specifically for street light applications. The Light Emitting Diode (LED) streetlights powered by AC sources …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 2, 2023 · pp. 12–18 Read article
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Signal Integrity Analysis of Single Walled Carbon Nano Tube based Interconnects at 32 nm Technology Node
Abstract: The rising demands for ultra-high-speed processors and portable devices have made the transistor and interconnect scaling a challenging issue in present days. In this work, the impedance parameter of copper and CNT based interconnects are calculated at 32 nm technology node for different lengths. The performances of CNT based interconnects are analyzed and compared with Cu based interconnects in terms of crosstalk. The conventional copper interconnects are not able to …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 1, 2018 · pp. 33–42 Read article
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Case Study of Multipulse Converter System for IGBT Based Inverter in Induction Melting Furnace
Abstract: AbstractHarmonic mitigation is an important aspect for the smooth operation of modern power electronics converters, medical equipment, and home appliances which are generally fed by a common grid supply. In large power equipment such as induction furnaces, it becomes necessary to reduce or eliminate harmonics from the supply. In order to cater dynamic load cycle during complete melting cycles in induction furnaces, power needs to vary. This can be achieved …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 1, 2017 · pp. 17–23 Read article