scholarly journals Reliable Control of Direct PWM AC-AC Buck Converter With Short Circuit Protection

2019 ◽  
Author(s):  
Jianguo Wang ◽  
Richard McMahon
Keyword(s):  
Short Circuit ◽  
Buck Converter ◽  
Reliable Control

Conducted EMI evolution of power SiC MOSFET in a Buck converter after short-circuit aging tests

2018 ◽  
Vol 88-90 ◽  
pp. 219-224 ◽  
Author(s):  
Shawki Douzi ◽  
Moncef Kadi ◽  
Habib Boulzazen ◽  
Mohamed Tlig ◽  
Jaleleddine Ben Hadj Slama
Keyword(s):  
Short Circuit ◽  
Buck Converter ◽  
Circuit Aging ◽  
Conducted Emi

scholarly journals High Efficiency Buck-Converter with Short Circuit Protection

2014 ◽  
Vol 3 (6) ◽  
pp. 425-429
Author(s):  
Han-Hee Cho ◽  
Kyeong-Hyeon Park ◽  
Sang-Woon Cho ◽  
Yong-Seo Koo
Keyword(s):  
High Efficiency ◽  
Short Circuit ◽  
Buck Converter

scholarly journals Eco-Friendly CFC-Less Refrigerating/Air Conditioning System

2020 ◽  
Vol 9 (1) ◽  
pp. 1447-1449
Keyword(s):  
Air Conditioning ◽  
Closed Surface ◽  
Buck Converter ◽  
Cooling Effect ◽  
Reliable Control ◽  
Peltier Element ◽  
Thermo Electric ◽  
Air Conditioning System ◽  
Electric Generator ◽  
Bridge Rectifier

Normally, We are using refrigerating system to store the foods, Medicines..etc to extend the lives of the products. But in the existing refrigerating system which causes cooling effect with the help of refrigerants like CFC’s,HCFC’s. They are the harmful components which causes environmental Degradation. In order to overcome this we are using peltier concepts for refrigeration and protecting the environment. In this project to introduce a portable refrigeration using peltier Element. In peltier element when given DC supply produces cooling effect on one closed surface and heating effect on another surface. The cooling effect on one surface is circulated using a fan. The heat from the hotter side is sink in the heat exchanger is removed using circulating coolant or using fan. A 230V AC supply is step down using a Transformer and Rectified using a Bridge rectifier and given as a Input to the Buck converter. The Buck Converter supplies variable DC supply to the Thermo Electric Generator. The main advantage of this system is eco friendly and simplified system with reliable control.

scholarly journals Design of SMPS Buck Converter with Protection Circuits for Automotive Charger

2021 ◽  
Vol 10 (8) ◽  
pp. 120-126
Author(s):  
Raveena Jokim Crastha ◽  
Roopa M
Keyword(s):  
Automotive Industry ◽  
Design Methodology ◽  
Effective Connectivity ◽  
Short Circuit ◽  
Buck Converter ◽  
Specific Design ◽  
Control Units ◽  
Protection Circuits ◽  
High Level ◽  
Vehicle Network

The automotive manufacturers are working towards enhancing sophisticated designs and technologies that enable better vehicle-user connectivity by integrating all the control units to one infotainment system. This key feature with high-level intelligence and competency plays an important role with an increase in demand in the production process of the automotive industry. This paper proposes a unique design of USB smart charger module that is designed in a way to fit into limited space in a front panel of the vehicle. The specific design methodology of the DC-DC SMPS buck converter with the protection circuits which serves as the important section of the smart charger is explained. The module is designed with both single and double port that are identical to each other. Each of these models provides effective connectivity of devices in the vehicle network with secured over-current, over-voltage and short circuit protection circuitry. The configuration of controllers and connectors used is implemented in Altium. The functionality of the system designed is examined and verified in TINA-TI tool.

Structural Imperfections in thin Oxide Films Formed on Some Fe- and Ni-Base Alloys

1970 ◽  
Vol 28 ◽  
pp. 510-511
Author(s):  
L. P. Lemaire ◽  
D. E. Fornwalt ◽  
F. S. Pettit ◽  
B. H. Kear
Keyword(s):  
Oxide Scale ◽  
Oxidation Process ◽  
Short Circuit ◽  
Protective Oxide ◽  
Protective Oxide Scale ◽  
Thin Oxide Films ◽  
Diffusion Paths ◽  
Oxidation Resistant ◽  
Structural Imperfections ◽  
Short Circuit Diffusion

Oxidation resistant alloys depend on the formation of a continuous layer of protective oxide scale during the oxidation process. The initial stages of oxidation of multi-component alloys can be quite complex, since numerous metal oxides can be formed. For oxidation resistance, the composition is adjusted so that selective oxidation occurs of that element whose oxide affords the most protection. Ideally, the protective oxide scale should be i) structurally perfect, so as to avoid short-circuit diffusion paths, and ii) strongly adherent to the alloy substrate, which minimizes spalling in response to thermal cycling. Small concentrations (∼ 0.1%) of certain reactive elements, such as yttrium, markedly improve the adherence of oxide scales in many alloy systems.

Short Circuit Currents of Normal and Crohn's Diseased Human Colonic Mucosa

Endoscopy ◽  
2006 ◽  
Vol 38 (11) ◽  
Author(s):  
A Patel ◽  
DL Bovell ◽  
AD Corbett ◽  
RJ Holdsworth
Keyword(s):  
Colonic Mucosa ◽  
Short Circuit ◽  
Short Circuit Currents

STABILISASI TEGANGAN KELUARAN BUCK CONVERTER DENGAN METODE FUZZY LOGIC CONTROLLER

JURNAL ELTEK ◽  
2018 ◽  
Vol 16 (2) ◽  
pp. 125
Author(s):  
Oktriza Melfazen
Keyword(s):  
Fuzzy Logic ◽  
Steady State ◽  
Rise Time ◽  
Fuzzy Logic Controller ◽  
Buck Converter ◽  
Settling Time

Buck converter idealnya mempunyai keluaran yang stabil, pemanfaatandaya rendah, mudah untuk diatur, antarmuka yang mudah dengan pirantiyang lain, ketahanan yang lebih tinggi terhadap perubahan kondisi alam.Beberapa teknik dikembangkan untuk memenuhi parameter buckconverter. Solusi paling logis untuk digunakan pada sistem ini adalahmetode kontrol digital.Penelitian ini menelaah uji performansi terhadap stabilitas tegangankeluaran buck converter yang dikontrol dengan Logika Fuzzy metodeMamdani. Rangkaian sistem terdiri dari sumber tegangan DC variable,sensor tegangan dan Buck Converter dengan beban resistif sebagaimasukan, mikrokontroler ATMega 8535 sebagai subsistem kontroldengan metode logika fuzzy dan LCD sebagai penampil keluaran.Dengan fungsi keanggotaan error, delta error dan keanggotaan keluaranmasing-masing sebanyak 5 bagian serta metode defuzzifikasi center ofgrafity (COG), didapat hasil rerata error 0,29% pada variable masukan18V–20V dan setpoint keluaran 15V, rise time (tr) = 0,14s ; settling time(ts) = 3,4s ; maximum over shoot (%OS) = 2,6 dan error steady state(ess) = 0,3.

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