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Journal articles on the topic 'SMPS - switching-mode power supply'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Ahmad, Fally, Mohammad Yanuar Hariyawan, and Siska Novita Posma. "Perancangan Dan Implementasi Passive Emi Filter Pada Switching Mode Power Supply (SMPS)." Jurnal Elektro dan Mesin Terapan 5, no. 1 (2019): 29–37. http://dx.doi.org/10.35143/elementer.v5i1.2519.

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Kebutuhan akan perangkat elektronik dengan frekuensi yang tinggi menyebabkan meningkatnya jumlah Electromagnetic Interference (EMI) yang memiliki dua jenis yaitu Conducted Emission dan Radiated Emission. Solusi dari mitigasi EMI tersebut adalah dengan menggunakan filter EMI. Switching Mode Power Supply (SMPS) merupakan sumber daya bagi hampir seluruh perangkat elektronik, namun SMPS ini juga sumber EMI untuk perangkat lain atau bahkan perangkat itu sendiri. Banyak perangkat elektronik yang beredar dipasaran namun belum memenuhi standar EMC. Dalam hal ini mitigasi EMI yang dapat dilakukan adala

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2

Yang, Zheng Hao, Yan Xia Gao, and Yue Niu. "Digital V² Controller for Switching Mode Power Supply." Advanced Materials Research 460 (February 2012): 398–402. http://dx.doi.org/10.4028/www.scientific.net/amr.460.398.

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The research interest of this paper is to explore practical ways of incorporating advantages of digital control in Switching Mode Power Supply (SMPS). The two most important issues are the design and implementation of Digital Pulse-Width Modulation (DPWM) and high-performance digital control algorithms for digital controlled SMPS. A Hybrid DPWM method based on digital clock management (DCM) and digital dithering is adopted to generate high-frequency high-resolution PWM. A digital V2 control algorithm is implemented to improve the system performance. The buck converter is studied to analyze the

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3

Mijarez, Rito, Angel Gomez, David Pascacio, Ivan Martinez, and Ricardo Guevara. "Down-hole switching-mode power supply using a remote CA start up pulse." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2016, HiTEC (2016): 000180–83. http://dx.doi.org/10.4071/2016-hitec-180.

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Abstract The hydrocarbon industry leans heavily upon advanced technologies to extract oil and gas from greater depths and in harsher environments. The challenge to electronics manufacturers and designers is to make complex electronics work at the high temperatures, vibration, and extreme pressures encountered in these locations. Among the more critical electronic systems required for high temperature down-hole operations is high efficiency switching mode power supplies (SMPS). The use of high frequency switching permits not only decreasing the size of inductors and capacitors in the circuit de

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Li, Mengzi, Shishan Wang, and Jian Guo. "Suppression Approaches of Far-Field Radiated Emission Using Common-Mode Inductor." Journal of Electronics and Advanced Electrical Engineering 1, no. 2 (2021): 1–5. http://dx.doi.org/10.47890/jeaee/2020/mengzili/11120006.

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The miniaturization and integration of Switching Mode Power Supply (SMPS) is increasing, making it more complicated to analyze and predict its far-field radiated emission, and, consequently, studying the suppression method of far-field radiated emission of SMPS is of practical significance and engineering value. In this paper, a high-frequency SMPS is selected as the research object, whose far-field radiated emission is measured under the condition of three typical suppression methods. The experimental results verified the effectiveness of common-mode inductor and are of reference value for EM

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5

Stojce Ilcev, Dimov. "Analysis of power factor corrections for obtaining improved power factors of switching mode power supply." International Journal of Engineering & Technology 9, no. 3 (2020): 826. http://dx.doi.org/10.14419/ijet.v9i3.31086.

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This article discusses such an important issue as the power factor of Switching Mode Power Supply (SMPS) and its improvement through Power Factor Correction (PFC). The power factor shows how effectively uses the consumption of electric energy by certain loads connected to the power distribution system with Alternative Current (AC), which is very critical for the electricity-producing industry. The number of power factors is a dimensionless value that can vary from -1 to 1. Thus, in an electric power system, a load with a low power factor draws more current than a load with a high power factor

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Effendi, Khoirul, Junaidi Junaidi, and Sri Wahyu Suciyati. "Rancang Bangun Sistem Catu Daya dengan Metode Switching Mode Power Supply (SMPS) Berbasis Arduino untuk Aplikasi Electrospinner." Jurnal Teori dan Aplikasi Fisika 8, no. 1 (2020): 25–34. http://dx.doi.org/10.23960/jtaf.v8i1.2315.

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Research about power supplies has been developed for various requirement. The power supply is used to supply electronic devices and laboratory-scale equipment, one of which is electrospinner. Electrospinner is an instrument used to make nanofibers consisting of several components, namely: power supply, high voltage, syringe pump, and collector drum. Electrospinner requires a stable supply of voltage so that the system can work well and requires a lot of voltage supply to supply components from the electrospinner. Arduino-based switching mode power supply (SMPS) is designed in this research. Ar

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7

Xiao, Qian Hua, and Hai Jing Liu. "Research on Soft Switching Power Supply with High Power Factor Based on Boost Converter." Applied Mechanics and Materials 29-32 (August 2010): 2422–27. http://dx.doi.org/10.4028/www.scientific.net/amm.29-32.2422.

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With the development of power electronics，the technology of Switching Mode Power Supply(SMPS) is gradually perfected. However，there is no end to the demand for a high power and high performance power supply. Nowadays, Power Factor Correction (PFC) technique is widely researched. This paper mainly analyzes the fundamental configuration of the switching power supply. And we study the basic structure and the operating principles of ZVT-boost soft-switching PFC circuit and the implementing principle of soft switch. For the power requirements, the two-stage PFC circuit is used. The forward stage is

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Zhou, Jun Ying, Nan Zhang, Su Fang Kong, Fu Hua Zhang, and Xiu Xian Guo. "Analysis of SMPS in Clinical Medical Equipment." Applied Mechanics and Materials 484-485 (January 2014): 671–73. http://dx.doi.org/10.4028/www.scientific.net/amm.484-485.671.

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There exists low voltage in circuit of domestic and imported medical equipment and it is what we call power supply. In the past, equipment mainly uses transformer to step down the voltage of power supply. With the progress of science and technology, the technique is gradually replaced by SMPW (switch mode power supply) which is extensively applied to various types of medical equipment due to the high efficiency and wide voltage range. The mains power supply is rectified and filtered into a DC high voltage and then use the switch circuit and energy storage elements to convert them into a variet

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HUANG, NIANCI, SHAN HUANG, and MUWEN FAN. "ANALYSIS AND EXPERIMENT OF A SINGLE-STAGE THREE-PHASE FULL-BRIDGE CONVERTER WITH INHERENT POWER FACTOR CORRECTION AND ISOLATED OUTPUT." Journal of Circuits, Systems and Computers 13, no. 03 (2004): 577–87. http://dx.doi.org/10.1142/s0218126604001581.

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A novel switching mode power supply (SMPS) with input/output isolation is presented, which compounds the three-phase power factor corrector (PFC) with a full bridge converter in a single-stage. It solves the problem of over-voltage on the DC link due to pseudo-phase-shifting control (PPSC) mode. Its operating principle and critical parameters are analyzed. Experiment results of an isolated 10 Kw prototype show that the power factor of the system is above 0.99 and the soft-switching mode reduces most of the EMI.

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Zhang, Jin Jian, Xian Song Fu, Ping Juan Niu, and Yi Li Liu. "A Novel Single-Ended Flyback High Frequency Regulated LED Driver Power Supply." Advanced Materials Research 542-543 (June 2012): 997–1000. http://dx.doi.org/10.4028/www.scientific.net/amr.542-543.997.

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A steady output single-ended flyback switching power supply using L6561 current mode PWM controller designed in this paper. The designed circuit consists of single-ended flyback topology and based on the peak current PWM technology. The circuit has input voltage range from 85V AC to 265V AC and about output drive capability of 12V/2A. Based on the specific chip L6561, the novel single-ended flyback AC/DC converting circuit is adapted for mobile or office equipment, off-line battery chargers. The low-power Switched-Mode Power Supply (SMPS) are the most noticeable examples of application that th

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Zheng, Xueyan, Lifeng Wu, Yong Guan, and Xiaojuan Li. "Analysis of the Degradation of MOSFETs in Switching Mode Power Supply by Characterizing Source Oscillator Signals." Mathematical Problems in Engineering 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/302563.

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Switching Mode Power Supply (SMPS) has been widely applied in aeronautics, nuclear power, high-speed railways, and other areas related to national strategy and security. The degradation of MOSFET occupies a dominant position in the key factors affecting the reliability of SMPS. MOSFETs are used as low-voltage switches to regulate the DC voltage in SMPS. The studies have shown that die-attach degradation leads to an increase in on-state resistance due to its dependence on junction temperature. On-state resistance is the key indicator of the health of MOSFETs. In this paper, an online real-time

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Che Husin, Mohd Fikri, Faizah Abu Bakar, A. F. Hasan, et al. "Energy Saving Switched-Mode Regulator in Motorcycle Power Supply." Applied Mechanics and Materials 815 (November 2015): 359–63. http://dx.doi.org/10.4028/www.scientific.net/amm.815.359.

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A new approach to designing Switched-Mode Power Supply (SMPS) for motorcycle power supply is presented. It uses an alternative way to efficiently regulate power output from a stator generator instead of using conventional Power Rectifier Regulator (PRR). Energy saving switch mode regulator shown the fuel consumption were less used compared using conventional PRR from several experiments using an alpha prototype of SMPS.

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13

Kulanayagam, J., J. H. Hagmann, S. Schenke, K. F. Hoffmann, and S. Dickmann. "Numerical modeling for heatsink emissions in power electronics." Advances in Radio Science 10 (September 18, 2012): 239–43. http://dx.doi.org/10.5194/ars-10-239-2012.

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Abstract. The parasitic coupling between power semiconductors and the heat sink is responsible for noise current in Switching Mode Power Supply (SMPS) systems. In this paper, the variations in the radiation characteristics of heatsinks are investigated with respect to their geometries by use of numerical models. Analyses are facilitated by using a mopole antenna as an EMI receiver and by using simplified heatsink models as EMI transmitters to model the heatsink radiated emissions. In addition, the analysis is confirmed using laboratory measurements.

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14

Kang, In Ho, Sung Jae Joo, Wook Bahng, Sang Cheol Kim, and Nam Kyun Kim. "Design and Characterization of 50W Switch Mode Power Supply Using Normally-On SiC JFET." Materials Science Forum 645-648 (April 2010): 1151–54. http://dx.doi.org/10.4028/www.scientific.net/msf.645-648.1151.

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The 50W Quasi-resonant mode SMPS which adopted a normally-on-type SiC JFET as a switch has been designed and characterized. A simple decision circuit and an auxiliary power supply was utilized to safely protect the JFET from an in-rush current at initial operation stage and to provide sufficient negative voltage for a complete JFET drive. Even without a refine engineering, the SMPS showed 96% efficiency at a full load state.

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15

S, Ganesh, Chiranjit Ghosh T, Kokilasree R, Nandhakumar M, and Md Haroon Alim T. "DC UPS for Critical Loads." International Journal of Electrical and Computer Engineering (IJECE) 5, no. 2 (2015): 231. http://dx.doi.org/10.11591/ijece.v5i2.pp231-242.

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<p>The usual way to avoid a computer shutdown during a mains failure is to connect an uninterruptible power supply system (UPS), which can be suitably modified and fitted inside the computer cabinet by the use of proposed methodology known as a dc UPS. Conventional desk top UPS systems store electricity in form of chemical energy in batteries and when ever mains fail the batteries provide DC power which is then converter to ac by inverter and then fed to the computer in order to save critical data. Thus power from mains or from UPS is fed to switched mode power supply unit which converts

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16

Rashmi, Ruchi, and Shweta Jagtap. "Design of symmetrical half-bridge converter with a series coupling capacitor." World Journal of Engineering 17, no. 5 (2020): 609–20. http://dx.doi.org/10.1108/wje-09-2019-0280.

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Purpose With the advancement of technology, size, cost, and losses of the switched mode power supply (SMPS) have been decreasing. However, due to the high frequency switching, design of magnetic drives and isolation circuits are becoming a crucial factor in SMPS. This paper presents design criteria, procedure and implementation of AC-DC half bridge (HB) converter with lower cost, smaller size and lower voltage stress on the power switch. Design/Methodology/approach The HB converter is designed in a symmetrical mode with a series coupling capacitor. Isolated power supplies are used for the conv

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17

Goff, Daniel T., Steve J. A. Majerus, and Walter Merrill. "A 200 °C Quad-Output Buck Type Switched Mode Power Supply IC." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2014, HITEC (2014): 000022–27. http://dx.doi.org/10.4071/hitec-ta16.

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A high temperature (&gt;200 °C), quad-output, buck type switched-mode power supply (SMPS) IC capable of operating over a wide input supply range of 6 V to 15 V is described. The IC is a compact power supply solution for multi-voltage microprocessors, sensors, and actuators. The SMPS topology is a 112 kHz fixed-frequency, synchronous buck converter with slope compensation. A novel internal feedback design enables the output voltages to be pin-programmed to one of three common supply voltages—5 V, 3.3 V, or 1.8 V—while an external resistor divider can also be used for arbitrary voltage progr

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18

Sasikala, K., and R. Krishna Kumar. "An Improved Power Factor Correction for Interleaved Flyback Switched Mode Power Supply." International Journal of Engineering & Technology 7, no. 3.27 (2018): 166. http://dx.doi.org/10.14419/ijet.v7i3.27.17752.

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Nowadays the use of electronic equipment finds a progressive development in the modern world. Hence it becomes a mandate to check whether the harmonic content of line current of any electronic device which is connected to the ac supply meets the appropriate standards. This demand is satisfied by implementing the Power Factor Correction (PFC) circuit in order to make the input current to be in sinusoidal in nature and in-phase with the input voltage. Numerous solutions are available to make the line current almost sinusoidal. This paper deals with the inclusion of passive PFC in the interleaved

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Liou, James J. H., Perry C. Y. Liu, and Huai-Wei Lo. "A Failure Mode Assessment Model Based on Neutrosophic Logic for Switched-Mode Power Supply Risk Analysis." Mathematics 8, no. 12 (2020): 2145. http://dx.doi.org/10.3390/math8122145.

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Reducing the potential risks in the manufacturing process to improve the reliability of the switched-mode power supply (SMPS) is a critical issue for the users’ safety. This paper proposes a novel failure mode and effects analysis (FMEA) model based on hybrid multiple criteria decision-making (MCDM), which adopts neutrosophic set theory into the proposed model. A developed neutrosophic Best Worst method (NBWM) is used to evaluate the weights of risk factors and determine their importance. Secondly, the neutrosophic Weight Aggregated Sum Product Assessments (NWASPAS) method is utilized to calcu

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Azis H, A., Cholish, Rimbawati, and N. Evalina. "Comparative analysis between the switch mode power supply (SMPS) using IC Tl494cn transformer based on power supply linear." IOP Conference Series: Materials Science and Engineering 674 (November 14, 2019): 012035. http://dx.doi.org/10.1088/1757-899x/674/1/012035.

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Kajal, Kawser Ahmed, and M. Tanseer Ali. "Design & Implementation of PWM Based 3-Phase Switch-Mode Power Supply (SMPS)." International Journal of Engineering Trends and Technology 34, no. 3 (2016): 114–20. http://dx.doi.org/10.14445/22315381/ijett-v34p223.

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Kuang, Yi, Bin Duan, Mengping Lv, and Junfeng Wu. "Cognitive Diagnostic Assessment of Power Supply Magnetic Components Design Based on Bayesian Network." Nanoscience and Nanotechnology Letters 12, no. 8 (2020): 1044–53. http://dx.doi.org/10.1166/nnl.2020.3202.

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The power electronics engineering education is aimed at helping students in becoming qualified electronics engineers. However, the existing evaluation method cannot reflect the students’ performance in knowledge-structure and skillsets objectively and accurately. To address these issues and improve the effectiveness of the current evaluation method in the field, we propose a Bayesian network model-based cognitive diagnostic assessment method and demonstrate it to evaluate students’ knowledge and skills condition with the switched-mode power supply (SMPS) magnetic components design task. The pa

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Haddad, Elias, Christian Martin, Charles Joubert, et al. "Modeling, Fabrication, and Characterization of Planar Inductors on YIG Substrates." Advanced Materials Research 324 (August 2011): 294–97. http://dx.doi.org/10.4028/www.scientific.net/amr.324.294.

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This paper presents the design, fabrication, and characterization of micro planar inductors on a microwave magnetic material (YIG). Planar spiral inductors were designed for monolithic DC-DC converters in System-In-Package with 100 MHz switching frequency (1 W, Vin= 3.6 V, Vout= 1 V). A microwave magnetic substrate (YIG) serves as mechanical support, and also presents a double purpose by increasing inductance value and reducing electromagnetic interferences (EMI). This last point is critical to improve the behavior of a switching mode power supply (SMPS). In order to obtain an optimal design f

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Jayachandran, J., and S. Malathi. "Improved power quality buck boost converter for SMPS." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 2 (2019): 789. http://dx.doi.org/10.11591/ijece.v9i2.pp789-801.

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In this paper, a Neural Network (NN) controlled Buck-Boost Converter (BBC) based Switched Mode Power Supply (SMPS) for a PC application is proposed. The proposed BBC is analyzed, modeled and designed for the rated load. Generally, the utilization of Multiple Output SMPS (MOSMPS) for PC application introduces Power Quality (PQ) issues in the power system network. Unlike conventional SMPS the proposed NN controlled BBC can accomplish improvement of power quality. The NN controller reduces the Total Harmonic Distortion (THD) of source current below 5%, maintains input side Power Factor (PF) to be

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Snyder, Harold L. "High Temperature Isolated Switch Mode Power Supply with Integrated Power and Feedback Transformer." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2014, HITEC (2014): 000214–17. http://dx.doi.org/10.4071/hitec-wp13.

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High temperature switch mode power supplies (SMPS) typically utilize magnetic solutions such as low permeability transformers for isolation from ground loops. However, imposed design constraints almost always restrict the size of switch mode power supply systems to less than the minimum space necessary for a good design, resulting in only adequate and sometimes unreliable switch mode power supply designs. Integrating the control loop and magnetic system functions is implemented by taking advantage of the bi-directional characteristics of transformers, which allows the designer an opportunity t

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Tohya, Hirokazu, and Noritaka Toya. "Novel Technologies for Design and Analysis of Switching Mode Power-Supply Circuit Based on Solitary Electromagnetic Wave Theory." ISRN Power Engineering 2014 (March 4, 2014): 1–15. http://dx.doi.org/10.1155/2014/726529.

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The novel solitary electromagnetic wave (SEMW) theory and the novel design methodologies of the switching mode power supply circuit (SMPC) are presented. The SEMW theory was developed as a basic theory of the design of all kinds of the switching mode circuit including SMPC by fusing the physics of semiconductor, nonlinear undulation, and electromagnetic wave. When the SEMW theory is used, the electromagnetic analysis of SMPC becomes possible by using only the real parameters based on the physics. The technologies of the low impedance lossy line (LILL) which is used to the DC line and the match

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Yi, Yun-Jae, and Yun-Seop Yu. "PSPICE Modeling of Commercial ICs for Switch-Mode Power Supply (SMPS) Design and Simulation." Journal of information and communication convergence engineering 9, no. 1 (2011): 74–77. http://dx.doi.org/10.6109/jicce.2011.9.1.074.

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Hao, Xuchun, Shuguo Xie, and Ziyao Chen. "A Parametric Conducted Emission Modeling Method of a Switching Model Power Supply (SMPS) Chip by a Developed Vector Fitting Algorithm." Electronics 8, no. 7 (2019): 725. http://dx.doi.org/10.3390/electronics8070725.

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This paper proposes a modeling method to establish a parametric-conducted emission model of a switching model power supply (SMPS) chip through a developed vector fitting algorithm. A common SMPS chip LTM8025 was taken as an example to explain the modeling process. According to the integrated circuit (IC) electromagnetic modeling (ICEM) standard, the parametric conducted emission model is divided into two parts: IC internal activity (ICIA) and IC passive distribution network (ICPDN). The parameters of ICIA are identified by measured data and correlated with key components; an improved vector-fi

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Flores-Arias, Jose-Maria, Manuel Ortiz-Lopez, Francisco J. Quiles Latorre, Francisco Jose Bellido-Outeiriño, and Antonio Moreno-Muñoz. "A Memory-Efficient True-RMS Estimator in a Limited-Resources Hardware." Energies 12, no. 9 (2019): 1699. http://dx.doi.org/10.3390/en12091699.

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More and more human activities are increasingly dependent on the power quality energy they are supplied. In particular, those loads that have an electronic switching mode power supply (SMPS) and microcontrollers or microprocessors are very susceptible to de-energization of the AC line as voltage monitoring takes place on the DC end and may not have enough time to cope with a voltage event involving energy loss. There have been many proposals that analyze power quality or current consumption, even those using limited resources hardware or the classic formulas of discrete root mean square (RMS).

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Narula, Swati, Bhim Singh, G. Bhuvaneswari, and Rahul Pandey. "A Power Factor Corrected SMPS with Improved Power Quality for Welding Applications." International Journal of Emerging Electric Power Systems 16, no. 2 (2015): 181–93. http://dx.doi.org/10.1515/ijeeps-2014-0157.

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Abstract This paper presents the analysis, design and implementation of a power factor corrected Arc Welding Power Supply (AWPS) with a boost converter at the front end and three full-bridge (FB) converters connected in parallel at the load end. The modular arrangement of the FB converters offers several meritorious features like usage of power devices with comparatively lower voltage and current ratings, ease of power expandability, easy maintenance, etc. The boost converter operates in continuous conduction mode minimizing the input current ripple and leading to the lowest RMS current thereb

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Hancock, Jon M. "Proposed Architecture for SiC Switches and Diodes in a Switch Mode Power Supply." Materials Science Forum 556-557 (September 2007): 1011–14. http://dx.doi.org/10.4028/www.scientific.net/msf.556-557.1011.

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This SiC diodes and switches provide greatly enhanced performance at higher operating voltage, but the base material provides a high barrier to adoption in commercial systems. Commercial adoption has not occurred by adopting SiC components in place of Si devices, but only when the characteristics of SiC components can successfully leverage system performance and cost. Doing so requires a close look at current roadblocks and examining topologies and techniques that can bring more optimal system performance (density, efficiency, cost) with SiC components. High density converters using convention

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Nugroho, Gilang Cahyo, Trias Andromeda, and Yuli Christyono. "PERANCANGAN KONVERTER ARUS SEARAH TIPE FLYBACK SEBAGAI CATU DAYA RANGKAIAN DRIVER DAN MICROCONTROLLER PADA KONVERTER TIPE ZETA." TRANSIENT 7, no. 4 (2019): 897. http://dx.doi.org/10.14710/transient.7.4.897-903.

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Hampir semua catu daya modern bekerja dalam mode switching atau dikenal sebagai SMPS (Switched Mode Power Supply), salah satu dari topologi yang dipakai adalah konverter arus searah tipe Flyback. Penambahan kontrol umpan balik tegangan dapat digunakan untuk menjaga kestabilan tegangan keluaran konverter arus searah. Pada penelitian ini akan direalisasikan sebuah konverter arus searah tipe Flyback dengan umpan balik tegangan yang menghasilkan tegangan keluaran sebesar 15V dan 9V untuk menyuplai rangkaian driver dan microcontroller pada konverter tipe Zeta dalam sistem Hybrid Charger Controller.

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JuYong Kim, JuneWhan Choi, and YongSul Kim. "Design of the Low Energy Consuming SMPS (Switched-Mode Power Supply) System using the Solar Cell." International Journal of Engineering and Industries 2, no. 4 (2011): 106–13. http://dx.doi.org/10.4156/ijei.vol2.issue4.12.

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Annamalai, Tamizhselvan, and V. Rajini. "A Novel Control Scheme for Power Factor Improvement in Modified Bridgeless Boost Converter." Applied Mechanics and Materials 787 (August 2015): 833–37. http://dx.doi.org/10.4028/www.scientific.net/amm.787.833.

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In Green Energy technologies like wind energy conversion systems and Domestic applications like SMPS and UPS systems, the input voltage amplitude and input frequency are time varying in nature. Fast-Escalating and extremely challenging high efficiency requirements for AC-DC power supplies for notebooks, desktop computers are to minimize the power losses (Conduction losses). In the conventional rectifiers power losses are more and power factor is poor resulting in loss of efficiency. Normally, the bridgeless topologies, also referred to as dual boost power factor correction (PFC) rectifiers, ma

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Kalirasu, A. "A Novel Single Source Multiple Output Converter Integrating Buck-Boost and Fly Back Yopology for SMPS Applications." Indonesian Journal of Electrical Engineering and Computer Science 8, no. 3 (2017): 733. http://dx.doi.org/10.11591/ijeecs.v8.i3.pp733-736.

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<p>This paper presents a novel single DC input source and multiple DC output suitable for switched mode power supply (SMPS) applications integrating interleaved boost and sepic converter with fly back topology. The proposed converter can be remodeled for any required output voltage power supply without changing hardware structure because wide range of output voltage can be obtained using sepic and boost converters by changing duty cycle command by implementing a simple voltage input pi controller. Conventional fly back topology is added to interleaved circuit to produce desired dc output

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Ohn, Mar Myaing, and Mu Han Thwe. "Design and Construction of Pic-Based Excitation Control System for Generator." Applied Mechanics and Materials 110-116 (October 2011): 2469–74. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.2469.

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The main objective of this PIC-based excitation control system is to control the terminal voltage by adjusting the generator exciter voltage. Unlike the conventional control system, the PIC-based excitation control system is constructed to reduce the number of components and thus the amount of design work and wiring required for the system. As a consequence, this is constructed to be low cost and high performance. In this work, this design is based on the construction of switched mode power supply (SMPS). MOSFET IRF840 is used as switching element to control the field excitation through the fi

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Supardi, Tri Wahyu, and Agus Harjoko. "Metode Penggabungan Daya Secara Adaptif Untuk Power Supply Hibrida." IJEIS (Indonesian Journal of Electronics and Instrumentation Systems) 8, no. 2 (2018): 119. http://dx.doi.org/10.22146/ijeis.16774.

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Public services require computer-based electricity supply. Not continuous electricity supply in some areas led to a power supply from an alternative power source becomes indispensable. One alternative power source is a solar cell. Solar cell is a sustainable source of electricity but power output is not constant depending on the sunlight. The power source is needed to anticipate the lack of power when the power generated by the solar cell is not enough.In this paper proposed a hybrid design that combines the power supply of electricity from the solar cell, the network provider of electricity,

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Watkins, Gavin T., and Konstantinos Mimis. "High linearity lead-lag style envelope modulator for RF power amplifiers." International Journal of Microwave and Wireless Technologies 8, no. 3 (2015): 463–70. http://dx.doi.org/10.1017/s1759078715000525.

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A new split frequency envelope modulator for envelope tracking radio-frequency power amplifiers is proposed based on a lead-lag network. By mathematically deriving the transfer functions of the lead-lag modulator and the conventional split frequency type, the lead-lag is shown to have a significantly flatter phase response. The frequency response of the two modulators is verified by simulation, where the phase transient of the lead-lag is significantly less than the 360° of the conventional type. They are further simulated with a 3 MHz bandwidth 3GPP long-term evolution (LTE) signal and the le

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He, Jun Ping, Jin Lu Wang, and Guo Zhuang Bai. "Design and Analysis of a Novel Interleaving LLC SMPS with Load Current Sharing Performance." Advanced Materials Research 677 (March 2013): 346–53. http://dx.doi.org/10.4028/www.scientific.net/amr.677.346.

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LLC series resonant topology has been widely adopted in many kinds of power converters for its high frequency, high efficiency and high power density advantages. However, the ordinary topology of a single-phase LLC is not fit to be used in low-voltage high-current output field for its relative larger output voltage ripple. In order to provide a low voltage and high current output using a LLC topology, a novel interleaving LLC switched-mode power supply design was proposed to reduce output voltage ripples ripple in this paper. This design used two hardware measures to automatically ensure a goo

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Rohit, Shinde, Ramachandiran Gunabalan, and Mehtra Pavan Kumar. "Pulse Density Modulation Flyback Converter for LED Automotive Lighting." Indonesian Journal of Electrical Engineering and Computer Science 8, no. 1 (2017): 85. http://dx.doi.org/10.11591/ijeecs.v8.i1.pp85-91.

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<p><em> </em><em>Switched mode power supply (SMPS) converter is a dc-dc power electronic converter which is used to step up or step down the dc output voltage. A dimmable driver circuit for Light Emitting Diode (LED) lamp for automotive lighting with dimming feature is used in this paper. A flyback converter is used as a driver circuit operated in discontinuous conduction mode to perform dimming control of LEDs. High overall circuit efficiency is achieved by regulating the current through the LED lamps using pulse density modulation scheme.</em><em> The <

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Bajwa, Muhammad Shahzad, Muhammad Usman Keerio, Mohsin Ali Koondhar, Muhammad Ismail Jamali, and Irfan Ali Channa. "An Experimental Analysis of Harmonic Distortion Indices In Home Based Electrical Appliances and Improvement Using Passive Filter." Quaid-e-Awam University Research Journal of Engineering Science & Technology 19, no. 1 (2021): 130–38. http://dx.doi.org/10.52584/qrj.1901.18.

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Nowadays, the growing use of non-linear loads in home appliances gives rise to harmonic pollution in the electrical power distribution system, which degrades the power quality. Many domestic appliances have power electronic converters that characteristically draw a non-sinusoidal current waveform. Short-term effects of non-linear appliances are causing malfunction and damage of electronic devices and long-term effects are thermal losses in equipment and cable, hasty aging, and reduced life period of devices. The whole impact depends on the power ratings and quantity of electrical appliances an

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Liu, Jincheng, Jiguang Yue, Li Wang, Chenhao Wu, and Feng Lyu. "A Low-Cost, High-Precision Method for Ripple Voltage Measurement Using a DAC and Comparators." Electronics 8, no. 5 (2019): 586. http://dx.doi.org/10.3390/electronics8050586.

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As the core of electronic system, the switched-mode power supply (SMPS) will lead to serious accidents and catastrophes if it suddenly fails. According to the related research, the monitoring of ripple can acquire the health degree of SMPS indirectly. To realize low-cost, high-precision, and automatic ripple measurement, this paper proposes a new ripple voltage (peak-to-peak value) measuring scheme, utilizing a DAC and two high-speed comparators. Within this scheme, the DC component of SMPS output is blocked by a high-pass filter (HPF). Then, the filtered signal and the reference voltage from

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Lodi, Matteo, and Alberto Oliveri. "Online Estimation of the Current Ripple on a Saturating Ferrite-Core Inductor in a Boost Converter." Sensors 20, no. 10 (2020): 2921. http://dx.doi.org/10.3390/s20102921.

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In this paper, a nonlinear observer is proposed for the estimation of the current ripple in a ferrite-core inductor working in partial saturation, mounted on a boost converter. The estimator is based on a recently proposed nonlinear inductance model, which expresses the inductance as a function of the inductor current, taking into account also the non-negligible effects of the core temperature. The proposed observer is implemented on a low-cost microcontroller and tested, both offline and online, on a real boost converter with different operating conditions. The offline tests show a satisfacto

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Devarapalli, Hari Prasad, V. S. S. Siva Sarma Dhanikonda, and Sitarama Brahmam Gunturi. "Non-Intrusive Identification of Load Patterns in Smart Homes Using Percentage Total Harmonic Distortion." Energies 13, no. 18 (2020): 4628. http://dx.doi.org/10.3390/en13184628.

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Demand Response (DR) plays a vital role in a smart grid, helping consumers plan their usage patterns and optimize electricity consumption and also reduce harmonic pollution in a distribution grid without compromising on their needs. The first step of DR is the disaggregation of loads and identifying them individually. The literature suggests that this is accomplished through electric features. Present-day households are using modern power electronic-based nonlinear loads such as LED (Light Emitting Diode) lamps, electronic regulators and digital controllers to reduce the electricity consumptio

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Kastawan, I. Made Wiwit. "Effect of load current harmonics on vibration of three-phase generator." MATEC Web of Conferences 197 (2018): 11023. http://dx.doi.org/10.1051/matecconf/201819711023.

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Almost all today electrical loads are considered non-linear such as switch mode power supply (SMPS) for powering computer and mobile phone or variable speed drive (VSD) for driving home and industrial electric motors. These loads generate ac non-sinusoidal current containing a lot of harmonics as indicated by its high total harmonics distortion (THD) figure. Current harmonics bring negative effects into all electrical power system components, including three-phase generator. This paper provides analysis of load current harmonics effects on vibration of three-phase generator. Three different la

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Adam, Nur Muhammad, Trias Andromeda, and Yuli Christyono. "PERANCANGAN KONVERTER ARUS SEARAH TIPE SYNCHRONOUS BUCK BERBASIS IC TL494." TRANSIENT 7, no. 4 (2019): 891. http://dx.doi.org/10.14710/transient.7.4.891-896.

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Elektronika daya merupakan salah satu bidang penting dalam ketenagalistrikan. Ciri khas pada elektronika daya adalah penggunaan Switched Mode Power Supply (SMPS). Pada konverter arus searah tipe synchronous buck, dioda yang bertindak sebagai saklar diganti oleh MOSFET. Aplikasi penggantian dioda menjadi MOSFET merupakan dasar dari konverter arus searah tipe synchronous buck karena memiliki rugi konduksi yang lebih rendah dari buck converter standar/konvensional. Perancangan rangkaian sinyal pembangkit PWM untuk memicu synchronous buck menggunakan IC TL494, IC TL494 digunakan agar gelombang PWM

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NAIR, B. R., and P. C. SEN. "A novel power MOSFET switching-mode power supply." International Journal of Electronics 59, no. 2 (1985): 141–51. http://dx.doi.org/10.1080/00207218508920687.

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Qiaoliang, Chen, Zeng Xiangjun, Yang Xu, and Wang Zhaoan. "Research on Power Electronic Integrated Module for SMPs." Journal of Microelectronics and Electronic Packaging 1, no. 4 (2004): 225–30. http://dx.doi.org/10.4071/1551-4897-1.4.225.

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A novel structure for a power module used in switching mode power supplies (SMPs) is presented in this paper. The power module employs the three-dimensional terrace structure resulting in lowered parasitic parameters and a higher power density. Based on this structure, the characteristics of the power module, such as parasitic parameters and thermal management performance are evaluated through simulation analysis and experimental research. The measured results for a 1kw prototype demonstrate that the power module based on an aluminum substrate has higher power density, smaller volume and bette

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Liu, Shu Lin, and Li Li Qi. "Research on Multi-Mode Controller of Switching Power Supply." Applied Mechanics and Materials 568-570 (June 2014): 1217–20. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.1217.

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In order to improve the efficiency of the switching power supply in whole load range, the controller with PWM, PFM and BURST operating modes is designed in this paper, which changes the operation mode automatically according to the load. The operating principle and the advantages and disadvantages of the three operating modes are analyzed and compared. PWM mode is used in heavy load; PFM mode is used in light load to reduce switching losses by reducing the switching frequency and BURST mode is used at the standby time to further reduce switching losses. The main control module is designed and

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Zhou, Mu Dan. "Design of a Low-Power Flyback Switching Power Supply." Applied Mechanics and Materials 734 (February 2015): 921–24. http://dx.doi.org/10.4028/www.scientific.net/amm.734.921.

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This paper designs a low-power flyback switching power supply using current-mode PWM control chip UC3843. The design of control circuit and high-frequency transformer’s parameters of single-ended flyback converter is given. Simulation model of switching power supply is established by saber software. Simulation result shows that the power supply both have a good line regulation and load regulation with high efficiency, and verifies the correctness and feasibility of the design scheme.

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