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69 articles for “Switching frequency”
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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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Advances and Challenges in the Development of High-performance Silicon Carbide (SiC) Power Devices
Abstract: Due to its distinct features, silicon carbide (SiC), a wide-bandgap semiconductor material, has attracted a lot of attention lately. SiC has superior electrical characteristics compared to silicon, making it an attractive material for high-performance power electronic devices. SiC-based devices can operate at higher temperatures, higher voltages, and higher switching frequencies, which can result in increased power density and efficiency. Recent advances in SiC device technology have led to the development …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 15–20 Read article
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Comparative Study of Microelectromechanical Switches for RF Applications: A Review
Abstract: Switches are very basic components for any communication application. The switch performance depends on their ability to allow a signal without loss and its speed of operation. In this paper, the different switches which are being used for RF application are presented along with their advantages and disadvantages. The main focus of this study is to provide comparative study about different microelectromechanical (MEMS) switches and also different techniques to improve …
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 2, 2019 · pp. 6–12 Read article
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Design and Simulation of Discrete Time Multi-Input Multi-Output Optimal Controller to Control Active and Reactive Power of DFIG
Abstract: The control of active and reactive power of doubly-fed induction generator (DFIG) in a large scale wind farm has become an important issue for the improvement of wind energy system to provide efficient and reliable electrical power with safety. The control strategies of active power and reactive power can be classified in two types—direct power control and indirect power control. First control strategy has designed based on the chosen switching …
Published in Trends in Electrical Engineering · Vol. 5, Issue 1, 2015 · pp. 1–11 Read article
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Hidden Buck Chopper Circuits Topology in a Switch Controlled Singe Phase Rectifier, Size and Cost Analysis
Abstract: This paper shows hidden buck chopper circuits topology in a single phase switch controlled full wave rectifier. Justification of this realization yields the opportunity to use the single circuit structure for both AC to DC and DC to DC conversion processes. Generally, two diodes out of four diodes are replaced by two switches to offer voltage gain and input power factor regulation in a single phase full wave rectifier. Such …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 17–28 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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Direct Torque Control Based on Discrete-Time PI Controller of an SVPWM Inverter Fed Induction Motor Using Energy Model
Abstract: A direct torque control (DTC) of an induction motor (IM) with constant switching frequency has been presented in this work which is performed using space-vector modulation (SVM). The developed DTC scheme is based on the discrete-time PI controller strategy and this has been used to achieve direct control of torque of IM. To design the discrete-time PI (DTPI) controller the energy model of induction motor is simplified at the beginning …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 45–55 Read article
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Design and Implementation of BLDC Motor Driven Electric Vehicle Using MPPT Controller
Abstract: Minimal and medium power applications benefit greatly from BLDC motor efficiency, high torque-to-inertia ratio, large energy volume, low maintenance requirements and wide speed control range. Resistance found that by deleting phase current sensors and regulating the basic frequency switching of the voltage source inverter (VSI), the proposed control algorithm lowers power losses caused by high frequency switching. With Modern days fuel prices soaring so high for common people, electrical engineers …
Published in Trends in Electrical Engineering · Vol. 12, Issue 1, 2022 · pp. 41–51 Read article
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Experimental Analysis of Nano-carbon Doped Alumina for Industrial Applications
Abstract: The use of nano-carbon metal matrix composites can provide a solution to the enduring issue of optimal material selection and optimization for getting metal-insulator transition (MIT) behavior at a particular frequency at ambient temperature. Other substances, like two-dimensional (2D) transition metal dichalcogenides (TMD), vanadium oxide (VO2), and germanium telluride (Ge-Te), have difficult challenges in achieving effectively the MIT property at a given frequency and temperature. It is also difficult to …
Published in Journal of Polymer & Composites 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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Design and Analysis of Hybrid System using Fuzzy Logic Controller
Abstract: The overall system is controlled by fuzzy logics. Load power consumes the power in sequence to solar power, wind power and the battery system power. Accordingly power delivered to the load. In the proposed framework, power is overseen or constrained by fluffy rationale regulators. The exhibition enhancement of half breed framework is examinations with sunlight based PV boards, wind turbine and the battery frameworks. The overall model & controlling strategies …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 2, 2021 · pp. 21–27 Read article
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Three Stage High Step-up Interleaved Boost Converter with Voltage Multiplier Cell
Abstract: In this paper, three stage high step-up interleaved boost converter with three voltage multiplier cells (VMCS) and three state switching cells (3SSC) is proposed. Here an interleaved boost converter is used, as a result higher efficiency and reduced input ripple current is obtained. Also, an additional stage of voltage multiplier i.e., three stages is added so that voltage gain will increase. It reduces switching loss and stress through the devices. …
Published in Journal of Electronic Design Technology · Vol. 5, Issue 1, 2014 · pp. 39–56 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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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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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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Design and Implementation of Phase Shift Full Bridge DC-DC Converter for Photovoltaic Application
Abstract: Soft switched converters offer merits like lowered switching losses, reduced size of magnetic devices, lowered converter size, etc. Therefore, it is preferred topology in converter’s design. It also allows use of higher switching frequency. This research work focuses on development of 1 kW prototype of phase shift full bridge DC-DC converter for photovoltaic application. This paper discusses component selection criteria, magnetic component design criteria, hardware and software design issues. Simulation …
Published in Journal of Control & Instrumentation · Vol. 7, Issue 3, 2016 · pp. 21–27 Read article
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Self-Tuning Wireless Power Transfer System Using Reinforcement Learning for Dynamic Electric Vehicle Charging
Abstract: The rapid growth of electric vehicles (EVs) has intensified the demand for efficient, reliable, and user-friendly wireless power transfer (WPT) systems capable of supporting dynamic charging under varying operating conditions. This paper presents a self-tuning wireless power transfer system employing deep reinforcement learning (DRL) to optimize power transfer efficiency in real time. Unlike conventional WPT controllers that rely on fixed compensation parameters or predefined control rules, the proposed framework continuously …
Published in International Journal of Advanced Control and System Engineering · Vol. 4, Issue 2, 2026 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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Fast Charging of Lithium-Ion Batteries Using a Full-Bridge Rectifier and Buck Converter with SOC Tracking
Abstract: This paper presents a simplified and cost-effective approach to electric vehicle (EV) fast charging by replacing the conventional neutral point clamped (NPC) converter with a full-bridge diode rectifier followed by a buck converter. The proposed topology is designed to deliver a regulated 80 V DC from a three-phase AC grid to charge a lithium-ion battery at a controlled current of 3 A. The converter design includes a three-phase diode bridge …
Published in Trends in Electrical Engineering · Vol. 15, Issue 2, 2025 · pp. 18–25 Read article
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Deep Learning-Based Thermal Prediction Models for Solid-State Electronic Devices
Abstract: The rapid advancement of solid-state electronic devices in high-performance computing, communication systems, automotive electronics, and renewable energy applications has significantly increased concerns related to thermal management and device reliability. Excessive heat generation in semiconductor devices adversely affects operational efficiency, switching performance, lifespan, and overall system stability. Traditional thermal prediction methods often require complex numerical computations and extensive simulation time, making them less suitable for real-time monitoring and adaptive control applications. …
Published in International Journal of Solid State Innovations & Research · Vol. 4, Issue 1, 2026 Read article