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69 articles for “Switching frequency”
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Fuzzy Logic and Energy Model based Speed and Direct Torque Control of SVPWM Inverter Fed Induction Motor
Abstract: This paper presents speed and direct torque controllers based on fuzzy logic for a space-vector modulated pulse width modulated inverter fed induction motor. The direct torque control has been designed by decoupling the torque and flux based on the energy model of induction motor. The designed direct torque control system can be accomplished by using constant switching frequency with space vector modulated pulse-width modulated inverter. In order to control the …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 1, 2014 · pp. 11–21 Read article
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Circuit Topologies, Operation, Control Schemes and Modulation Techniques of Modular Multilevel Inverter
Abstract: The Modular Multilevel Converter (MMC) is one of the developing topology. MMC has several attractive features such as a modular structure, transformer-less operation, easily scalable in terms of voltage and current, low expense for redundancy and fault tolerant operation and excellent output waveforms quality. Due to these attractive features industry and researcher increased the interest in this converter. This interest results in the development of new power topologies, modulation strategies …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 28–40 Read article
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Software and Hardware Implementation of Quasi z Source Inverter in DC-DC Converter with DC Motor as Load
Abstract: DC/DC power converters are employed in applications like telecom, industrial, automotive, military, aerospace and motor drives. The dc/dc converter market is forecast to grow at a strong rate to $ 4.3 billion by 2016. The primary factor limiting the widespread application of low voltage producing renewable energy sources to motor load is interfacing of converter system. The traditional voltage source inverter (VSI) cannot be dealt without overrating of inverter because …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 97–107 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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Development of Slip Power Recovery Scheme sing Buck-Boost Chopper for Performance enhancement of Wound Rotor IM Drive
Abstract: This paper presents the mathematical modeling and testing of wound rotor induction motor drive (WRIMD) to develop the slip power recovery scheme (SPRS) using buck-boost chopper control techniques improving the performance of drive. The main focus of this research work is on the understanding of methodological development of Simulink model of SPRS. Various mathematical equations describing performance characteristics of WRIMD using SPRS with buck-boost chopper are derived. The performance parameters …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 2, 2022 · pp. 44–63 Read article
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Closed Loop Control of Interleaved Buck Converter with Extremely Low Output Current Ripple
Abstract: AbstractIn this paper, the analysis and modeling of interleaved buck converter with PI controller is discussed. Converters are controlled by two active switches, which have the same switching frequency but 180° out of phase. The loss associated with the power device is half of the input voltage and the duty cycle is below 50%. By paralleling the converters, the input current can be shared among the inductors so that high …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 2, 2018 · pp. 9–18 Read article
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Performance Analysis of Conventional Direct Torque Control Strategy for Wide Range Speed Control of Induction Motor Drives
Abstract: Decoupled control of induction motor drives is possible using Direct Torque Control (DTC) method which is very simple control approach paralleled to field oriented control. It is very good alternative for applications like traction or automobile where direct torque control is needed. But speed control from zero to rated or even beyond rated speed is required in such applications. Torque ripples, variable switching frequency and poor low speed performance are …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 36–45 Read article
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Higher Order Sliding Controller Parameter Determining Method: A Research
Abstract: In this paper, it is generally believed that sliding switching surfaces should reflect the design parameters of the system in variable structure control, and the control characteristics are the way to constrain the state on sliding switching surfaces. In the literature, classical sliding (primary sliding) is considered that sliding-switching surface is the same as the characteristic equation of the closed-loop system, and the design of the control system is reflected …
Published in Trends in Electrical Engineering · Vol. 14, Issue 2, 2024 · pp. 51–66 Read article
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Unified Mathematical Framework for Semiconductor Devices, Junction Dynamics, and Circuit Analysis
Abstract: Semiconductor devices form the fundamental building blocks of modern electronic and integrated circuit systems, where their electrical behavior is governed by coupled carrier transport, electrostatic, and circuit-level phenomena. This work presents a unified mathematical framework for modeling semiconductor devices, junction dynamics, and their interaction with electronic circuits. The formulation integrates fundamental semiconductor relations, carrier concentration, drift–diffusion transport, Poisson’s equation, continuity equations, PN-junction behavior, diode characteristics, bipolar junction transistor operation, and …
Published in Journal of Semiconductor Devices and Circuits · Vol. 13, Issue 2, 2026 · pp. 37–47 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
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Physics of Semiconductors and Electronic Circuits
Abstract: This study talks about the basic ideas behind semiconductor physics and how important they are for making and running modern electronic circuits. It starts with a look at intrinsic and extrinsic semiconductors, going into how charge carriers move, energy band theory, and how doping affects how well the electricity flows. Next, the conversation turns to semiconductor devices like diodes, bipolar junction transistors (BJTs), and field-effect transistors (FETs). The focus is …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 2, 2025 · pp. 9–17 Read article
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Current Fed Push-Pull Converter for High Voltage Gain Applications
Abstract: AbstractAn isolated high step up voltage gain with appropriate duty ratio with application on energy storage system is proposed. As push pull converters are step down converters, here, this topology will help in step up the voltage. This converters semiconductor device maintains zero current switching (ZCS). Push pull converter has only two devices with common ground with source requiring simple gate driving circuitry.Keywords: Current fed push-pull, variable frequency modulation, zero …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 2, 2018 · pp. 33–42 Read article
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Practical Implementation of Network Switch on FPGA
Abstract: AbstractA network switch is a hardware device, which is used for device communication within a network. It uses a packet-switching mechanism to receive and transmit data to the target device. Network switches contain multiple ports that use media access control (MAC) address for transmitting data at the data link layer (layer 2) of the Open Systems Interconnection (OSI) model. This research aims to design a network switch on FPGA to …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 1, 2020 · pp. 14–19 Read article
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Proposed Modified PID Load Frequency Controller for Two Area Interconnected System Employing Frequency Regulation Techniques of Wind Power Plant
Abstract: AbstractFrequent switching of load introduces noisy ambiances and makes the implementation of conventional PID controller challenging, as differential part of controller is noise sensitive. Thus, this paper proposes a modified PID load frequency controller for two area interconnected system, employing frequency regulation techniques of wind power plant, and compares the performance of modified PID load frequency controller with the conventional PID controller. Wind power plant with inertial control has been …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 8, Issue 2, 2017 · pp. 1–10 Read article
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Performance Analysis of Bridgeless Converter Based SMPS used for Welding Application
Abstract: Abstract: This paper deals with performance analysis bridgeless converter based switched mode power supply (SMPS) of improved power quality. Power Factor Correction (PFC) based bridge less SMPS having so many applications in the area of welding power supply with IPC. This topology based on the constant voltage output and output current varied according to load changes. In the proposed topology, it is replaced the front end diode bridge rectifier with …
Published in Journal of Electronic Design Technology · Vol. 10, Issue 1, 2019 · pp. 27–33 Read article
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HVDC Low Loss Switching Boost Converter Using Auxilary Circuit
Abstract: AC supply is available in different frequencies so many problems occur in different etiquettes; like battery charging needs the nonstop DC supply. Because of switching losses(AC to DC converters) are befalls in the converters. A new soft switching boost converter with an auxiliary or secondary switch and resonant circuit is projected in this work. The resonant circuit is consisted of a resonant inductor Lr, two resonant capacitors Cr1 Cr2, two …
Published in Journal of Electronic Design Technology · Vol. 6, Issue 3, 2015 · pp. 33–39 Read article
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27- Level High Frequency Transformer Based- MLI for Integration of Renewable Energy
Abstract: This research proposes a unique high-frequency transformer (HFT)-based multilevel inverter(MLI) with 27 levels can be constructed with a single DCpower supply and twenty switching devices. The proposedMLI topology comprises three medium frequency isolationtransformers, each with a different rated voltage. Since thetransformers used in MLI operate at high frequencies, thesuggested system has a smaller volume and weight. Acascaded H-bridge (CHB) connects each transformer'sprimary windings, and the secondary windings areconnected in series …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 2, 2023 · pp. 1–11 Read article
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Power Supply Design Issues for Personnel Computers Application: A Review
Abstract: A power supply should meet various requirements for proper functioning of a PC. Electromagnetic Interface (EMI) causes catastrophic failures resulting in malfunctioning of PC's. It is therefore essential to meet the Electromagnetic Compatibility (EMC) requirements in addition to other design considerations demanded in a high technology system. The computer is operating and transmitting the signal with low voltage, so it is sensitive to Electromagnetic interference of leakage. Since the PC …
Published in Journal of Power Electronics and Power Systems · Vol. 3, Issue 2, 2013 · pp. 37–40 Read article
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Design and Performance Analysis of Multi-Standard CMOS LNA Using Switched Capacitor and MIM Capacitor in 180nm Technology
Abstract: Low noise amplifier (LNA) is terribly important block in designing broadband receivers for wireless broadband communications. Being the primary active element in receiver chain it creates larger demand for LNAs that are smaller, consume less power, and provide sufficient gain, low noise and high compact design. The projected LNA is extremely integrated with low noise figure having wide calibration range with improved RF power handling system and acquires less space …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 3, 2015 · pp. 37–44 Read article
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Photonic-Assisted Spintronic Solid-State Switching Model for High-Speed Memory Devices
Abstract: The rapid advancement of high-speed computing and data-centric applications has intensified the demand for energy-efficient and ultra-fast memory technologies. This paper proposes a Photonic-Assisted Spintronic Solid-State Switching Model for next-generation high-speed memory devices. The proposed framework integrates photonic excitation mechanisms with spintronic switching dynamics to enhance data transfer speed, minimize switching delay, and reduce power dissipation in solid-state memory architectures. By combining optical pulse-assisted spin polarization with magnetic tunnel junction-based …
Published in International Journal of Solid State Innovations & Research · Vol. 4, Issue 1, 2026 Read article