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DC-DC Converters (choppers)

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DC-DC Converters (choppers)

DC-DC Converters (choppers) The objective is to convert a fixed DC voltage to a variable DC voltage It is possible to step up and step down voltage.

http://seit.unsw.adfa.edu.au/staff/sites/valu/TEACHING/drives/DC_DC_converters.ppt

Date added: March 22, 2012 - Views: 260

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PowerPoint Presentation

* DC to AC Conversion The converter that changes a DC to AC is called an inverter. ... PowerPoint Presentation Author: Sam Kozaitis Last modified by: COE Support

http://www.site.uottawa.ca/~rhabash/ELG4139L1PE.ppt

Date added: March 4, 2012 - Views: 238

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ECE 442 Power Electronics - Welcome - Faculty...

ECE 442 Power Electronics Text: Power Electronics: Circuits, Devices, and Applications ... (AC Voltage Controllers) DC-DC Converters (DC Choppers) DC-AC Converters ...

http://www.faculty.umassd.edu/xtras/catls/resources/binarydoc/3738.ppt

Date added: January 4, 2013 - Views: 72

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DC to DC CONVERSION ( CHOPPER) - ENCON - courses

DC to DC CONVERTER (CHOPPER) General Buck converter Boost converter Buck-Boost converter Switched-mode power supply Bridge converter Notes on electromagnetic ...

http://encon.fke.utm.my/courses/see5433/Chopper-2003.PPT

Date added: October 8, 2011 - Views: 553

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Fuzzy Logic Speed Controllers Using FPGA Technique...

... chopper drive 2.6 Step-up choppers 2.7 Turning on power switches 2.8 Turning off thyristor circuits Plan B Chapter 7 DC choppers ( DC-DC) ...

http://site.iugaza.edu.ps/engmoayed/files/2010/02/planB.ppt

Date added: May 2, 2013 - Views: 14

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AC-AC Converter

DC-DC Converter The DC/DC converters are also known as DC choppers where a fixed DC voltage source is converted in to a variable – voltage DC source.

http://www.yarbis1.yildiz.edu.tr/web/userCourseMaterials/iaksoy_ab1b51f2d5a4a8b9ea4e20bfea052afd.ppt

Date added: April 27, 2014 - Views: 10

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Power Semiconductor Devices - ynni.edu.cn

Power Electronics Chapter 5 DC to DC Converters (Choppers) Outline 5.1 Basic DC to DC converters 5.2 Composite DC/DC converters and ...

http://dxxy.ynni.edu.cn/zlgc/powerelectronic/ppt_en/5.ppt

Date added: March 29, 2015 - Views: 1

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Bonitron, Inc

Simple DC bus connection. Choppers, resistors, power supplies, front-ends, etc. ... Ride-Thru.ppt. UPS. Most Flywheels. Active Front End. AC Line Sag Corrector.

http://www.bonitron.com/Downloads/PowerPoints/Bonitron-Schneider.pptx

Date added: August 3, 2013 - Views: 12

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Fundamentals of Linear Electronics Integrated &...

E-MOSFET Switches E-MOSFETs can also switch analog signals E-MOSFET Switches Choppers convert DC or low -frequency AC into ... ppt CHAPTER 8 OBJECTIVES ...

http://www.technology.heartland.edu/faculty/chrism/Fall%202003/ELTC%20207/powerpoints/COX%20CHAP%208.ppt

Date added: June 5, 2012 - Views: 34

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Diode Circuits or Uncontrolled Rectifier

Switch-Mode Power Supply DC-DC converters choppers Step Down DC-DC Converter (Buck Converter) Discontinuous Conduction Mode with Constant Vd Discontinuous Conduction ...

http://faculty.ksu.edu.sa/eltamaly/Documents/Courses/EE%20435/EE_435_4.ppt

Date added: May 24, 2013 - Views: 4

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No Slide Title

DC-DC Converters (DC choppers) 4. DC-AC Converters (Inverters) ตัวอย่างของการใช้งาน Power Electronics ได้แก่ Air ...

http://www.ee.mut.ac.th/course/eeet0210/ppt/15.ppt

Date added: November 20, 2011 - Views: 25

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Microprocessadores I - Home - Professor Doutor...

Este circuito fornece uma corrente DC linear para cargas práticas como um motor DC. 6. Choppers step-down (Buck) Quando a chave S for fechada, ...

http://professorcesarcosta.com.br/upload/imagens_upload/3.a%20Aula_PAE_04_choppers.ppt

Date added: July 23, 2013 - Views: 1

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Electrónica de Potencia - Usuarios de prof.usb.ve

En muchas oportunidades se han utilizado tiristores con circuitos auxiliares de apagado. Controladores DC - DC Regulador Lineal Básico Controladores DC ...

http://prof.usb.ve/ahoyo/upta/documentos/RectificadoresTrifasicosChopper.ppt

Date added: May 10, 2013 - Views: 11

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Instrumentation & Power Electronics

Instrumentation & Power Electronics. ... If a thyristor is used in a DC circuit, ... Force commutation is applied to choppers and inverters.

http://imtiazhussainkalwar.weebly.com/uploads/1/1/8/2/11827483/lecture_13-14_thyristors.pptx

Date added: August 28, 2013 - Views: 58

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PowerPoint Presentation

Rural Development: In DC, agriculture constitutes a big slice of the GDP. Since in the rural areas agriculture is the dominant economic activity, ...

http://www.ictsd.org/downloads/2008/08/c_bellmann.ppt

Date added: June 5, 2014 - Views: 105

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Microprocessadores I

Choppers DC (DC para DC) – converte uma tensão DC fixa em tensões DC variáveis. 4. Inversores (DC para AC) – converte uma tensão DC fixa em uma tensão ...

http://professorcesarcosta.com.br/upload/imagens_upload/1.a%20Aula_PAE_04_Introdu%c3%a7%c3%a3o.ppt

Date added: January 11, 2014 - Views: 5

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Presentación de PowerPoint

De acuerdo a la fuente de tensión que alimente al motor, podemos realizar la siguiente clasificación: Motores de corriente directa (DC) Motore

https://llcm2.files.wordpress.com/2010/03/teoria-motores1.ppt

Date added: February 9, 2015 - Views: 2

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PowerPoint Presentation

United Nations Conference on Trade and Development Workshop on WTO Accession UNDP/UNCTAD Goods Commitments Belarus, October 2008 Ralf Peters Trade Negotiations and ...

http://trade.ecoaccord.org/s2008/5.ppt

Date added: August 1, 2013 - Views: 143

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Slide 1

Semoga Faham The power converters are generally classified as: 1. ac-dc converters (phase-controlled converters) ... (inverters) 4. dc-dc converters (choppers, ...

http://wahyukr.staff.gunadarma.ac.id/Downloads/files/36834/2+operasi+SCR.ppt

Date added: March 12, 2014 - Views: 6

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DC Choppers - ::University of Jordan - A Faculty...

DC Choppers * Prof. T.K. Anantha Kumar, E&E Dept., MSRIT Introduction Chopper is a static device. A variable dc voltage is obtained from a constant dc voltage source.

http://fetweb.ju.edu.jo/staff/EE/khedher/DC-Choppers.ppt

Date added: November 13, 2011 - Views: 289

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MAQUINAS DE CC

... IF IF = VT/RF PROBLEMA Variadores monofásicos/ trifásicos CA/CC Aplicaciones Troceadores o Choppers CC/CC Aplicaciones Troceadores o ... (DC): Motor de ...

https://coscomantauni.files.wordpress.com/2011/08/maquinas-de-cc.ppt

Date added: February 16, 2015 - Views: 1

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Tema 1 Accionamientos Eléctricos

para motores dc INDICE DEL TEMA 1. ... Convertidores electrónicos cc/cc Tipos de choppers y cuadrantes de funcionamiento . Title: Tema 1 Accionamientos Eléctricos

http://ocw.uc3m.es/ingenieria-electrica/accionamientos-electricos/material-de-clase-1/Tema2AccionamientosCCOCW.ppt

Date added: December 20, 2011 - Views: 24

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Retrieve Doc - EUROPA - European Commission

DC. EFTA. LDC countries. MED. MERCOSUR. NAFTA. nonACP-ldc. OCT. PALOP. PECO. SAARC. SACU. UDEAC. UEMOA. Zone Franc. Zone GSP. Sum of 2001. Grand Total (All) Region ...

http://ec.europa.eu/regional_policy/sources/docconf/epa/doc/peche.ppt

Date added: October 29, 2012 - Views: 247

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Slide 1

http://www.hgtv.com/hgtv/dc_floral_arrangements/article/0,1793,HGTV_3418_1382927,00.html. ... http://gallery.bcentral.com/GID5110980DD432791-Orange-County-Choppers.aspx.

http://people.csail.mit.edu/teevan/work/publications/talks/sigirdc05.ppt

Date added: October 30, 2011 - Views: 161

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Slide 1

Boost chopper provides an output voltage that is greater than or equal to input voltage. Typical application of DC choppers is DC motor speed control.

http://arslanranjha.weebly.com/uploads/4/8/9/3/4893701/chp9.ppt

Date added: May 20, 2012 - Views: 49

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Single-phase half-bridge inverter - Welcome -...

Single-phase half-bridge inverter Operational Details Consists of 2 choppers, 3-wire DC source Transistors switched on and off alternately Need to isolate the gate ...

http://www.faculty.umassd.edu/xtras/catls/resources/binarydoc/1291.ppt

Date added: October 21, 2011 - Views: 137

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Power Electronics: Teaching and Research at AUB

DC choppers. Pulse-width modulated inverters. Introduction to gate and base drive circuits. Switching power supplies. EECE 570 Electric Drives. 3 credits, annually.

http://floridapec.engr.ucf.edu/FloridaPEC1/NSF2002/Teaching/Karaki/Power%20Electronics1.ppt

Date added: April 24, 2015 - Views: 1

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Slide 1

DC Choppers * Prof. T.K. Anantha Kumar, E&E Dept., MSRIT Introduction Chopper is a static device. A variable dc voltage is obtained from a constant dc voltage source.

http://fetweb.ju.edu.jo/staff/EE/khedher/lecture12.ppt

Date added: January 31, 2012 - Views: 93

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PowerPoint Presentation

... is determined by the controller. Mostly DC-DC choppers converters are used. For the field circuit, the balance of power is: The input power: ...

http://www8.tfe.umu.se/forskning/Control_Systems/Courses/vehicle_propulsion_systems/4_electric_and_hybrid-electric_propulsion_systems/4_electric_and_hybrid-electric_propulsion_systems.ppt

Date added: May 3, 2013 - Views: 60

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Motor Drive Lecture 1#C - Ohio State University

Title: Motor Drive Lecture 1#C Author: Preferred Customer Last modified by: Preferred Customer Created Date: 2/21/2005 3:02:44 PM Document presentation format

http://www2.ece.ohio-state.edu/ems/MotorDrive/Motor_Drive.ppt

Date added: September 29, 2011 - Views: 463

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RADIATION PROTECTION IN DIAGNOSTIC RADIOLOGY

RADIATION PROTECTION IN DIAGNOSTIC AND ... (CP) HF generators (use of DC choppers to convert 50Hz mains into voltages with frequencies in the kHz range) ...

http://occonline.occ.cccd.edu/online/lsachs/x%20ray%20tube.ppt

Date added: November 15, 2012 - Views: 25

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PowerPoint Presentation

... operators Currently focused to meet regional mobility Brief history of fare control in New York City Tickets & ticket choppers ... DC First smart card AFC ...

http://www.sci.brooklyn.cuny.edu/~kopec/CIS_763/FareCardByKopec.ppt

Date added: November 5, 2011 - Views: 71

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The D.C. Scout Battery Distribution System Ground...

D.C. Scout Purpose The D.C. Scout is used for locating resistive or non-resistive current paths from DC ... DC battery – DC Scout – building ground ... choppers ...

http://hjarnett.com/pdf/DC-scout-tutorial.ppt

Date added: July 26, 2013 - Views: 23

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Electric Motors - RETScreen International

Direct Current Drives The DC drive technology is the oldest form of electrical speed control. The drive system consists of a DC motor and a controller.

http://www.retscreen.net/fichier.php/916/Electrical%20motors.ppt

Date added: October 1, 2011 - Views: 570

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RADIATION PROTECTION IN DIAGNOSTIC RADIOLOGY

IAEA Training Material on Radiation Protection in Diagnostic and Interventional Radiology. ... (use of DC choppers to convert 50Hz mains into voltages with ...

http://rpop.iaea.org/RPOP/RPoP/Content/Documents/TrainingRadiology/Lectures/RPDIR-L06_Xray_production_WEB.ppt

Date added: November 24, 2011 - Views: 84

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Chapter 5 Signals and Noise - Arkansas Tech...

Signal-to-noise (S/N) is much more ... Where, irms = root-mean-square current fluctuation, I = average direct current, ... choppers, shields, modulators, ...

http://faculty.atu.edu/ABhuiyan/Course/Chem%204414/Chapter%205.ppt

Date added: January 27, 2012 - Views: 53

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PowerPoint Presentation

Novel PWM Technique Without Causing Reversal DC-link Current For Brushless DC Motor Drives With Bootstrap Driver Industry Applications Conference,

http://eshare.stust.edu.tw/EshareFile/2013_12/2013_12_c11886d4.ppt

Date added: January 26, 2014 - Views: 2

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Slide 1

Week 6 : DC-DC Converter (Choppers): Non-isolated DC-DC Converters: Buck, Boost, Buck-boost. Week 7 : Isolated DC-DC Converters: Flyback, Forward, ...

http://encon.fke.utm.my/courses/SEE4433-JB/IntroPolicySEE4433.ppt

Date added: August 18, 2013 - Views: 26

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Microelectromechanical Devices - Villanova

... Power converter - rectifiers,choppers, inverters, and ... convert dc output of battery or rectified ac source to provide variable ac voltages and ...

http://www.ece.villanova.edu/~singh/ece8830/88301a.ppt

Date added: March 29, 2012 - Views: 79

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幻灯片 1 - dianyuan

... 1/2 number of cell as by Robicon Multilevel switch Halfbridges 2 x Choppers ... Terminal GB module + Terminal DC bus capacitor ...

http://bbs.dianyuan.com/bbs/u/25/1105588407.ppt

Date added: December 23, 2012 - Views: 59

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Aircraft Recognition 2006 - EAA

The size of a DC-3 and will probably fly the warbird ... by Orange County Choppers C-195’s There are actually C190’s and ... Aircraft Recognition 2006 Author:

http://www.eaa.org/~/media/files/airventure/flyingin/aircraftrecognition/acft2_2.ppt

Date added: June 21, 2014 - Views: 1

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Slide 1

Use of choppers and multi layered communication plan. Detailed planning of induction and de induction. Paramedical staff with life saving medicines ...

http://eci.nic.in/eci_main1/sharingportal/Presentation%20Dc%20HZB.ppt

Date added: July 6, 2015 - Views: 1

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储存环注入脉冲磁铁设计

The Survey of the Power Supply Reliability at SSRF Ming GU , Rui LI , Zhihao CHEN , Lixin YIN Shanghai Institute of Applied Physics I joined in the accelerator ...

http://tlabs.ac.za/ARW2011_CD/Wednesday/session9/Yin%20The%20Survey%20of%20the%20Power%20Supply%20Reliability%20at%20SSRF%20(GU%20Ming).ppt/

Date added: July 6, 2015 - Views: 1

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Title

... wide wavelength range Optimised for high resolution The OL Series 750 Monochromators Range of Plug-in input accessories Choppers ... DC, AC, pulsed or ...

http://www.opteema.com/upload/pubfiles/P08_750-DSR-SYSTEM-PRESENTATION.ppt

Date added: May 7, 2013 - Views: 4

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Slide 1

... Changers DC/DC converters - Choppers ~ = Us Ud = ~ Ud Us ~ ~ Us sup Us load = = Ud sup Ud load M M M M Advanced course of Power Electronics for Masters: ...

http://learnelectronics.narod.ru/PE2LectPres.ppt

Date added: July 10, 2013 - Views: 16

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Title

... wide wavelength range Optimised for high resolution The OL Series 750 Monochromators Range of Plug-in input accessories Choppers (shown) ... DC, AC, pulsed or ...

http://www.opteema.com/upload/pubfiles/P07_750-SYSTEM-PRESENTATION.ppt

Date added: January 20, 2015 - Views: 1

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assets.complianceexpert.com

A Division of Thompson Media Group Employment of Interns and Seasonal Workers: How to Avoid Potential Wage-Hour and Other Employment Law Trouble

http://assets.complianceexpert.com/fileserver/file/1253/filename/Employment%20of%20Interns%20and%20Seasonal%20Workers.ppt

Date added: July 25, 2014 - Views: 1

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Georgia's Early Native Americans - OnMyCalendar

Georgia's Early Native Americans

http://s2.onmycalendar.com/Files/FA/A3R18253Q4E_2008GeorgiasEarlyNativeAmericans1.ppt

Date added: December 28, 2013 - Views: 7

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No Slide Title

For DC, the thermocouples are in series, ... First, voltages on the order of 100 nV are to be measured -- so choppers, AC amplifiers, ...

http://www.die.uniroma1.it/personale/pisa/CIRCUITI_MICROONDE/VARIE/HP-SEMINARS/power-meas.ppt

Date added: September 17, 2013 - Views: 12