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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.

https://aryulius.files.wordpress.com/2009/05/dc-choppers.ppt

Date added: March 22, 2015 - Views: 1

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ECE 442 Power Electronics - University of Massachusetts Dartmouth

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: 69

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DC-DC Converters (choppers) - Australian Defence Force Academy

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: 250

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DC to DC CONVERSION (CHOPPER) - Universiti Teknologi Malaysia

DC to DC CONVERSION (CHOPPER) Author: king Last modified by: User03 Created Date: 6/27/1999 4:13:30 PM Document presentation format: On-screen Show Company: UTM

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

Date added: October 8, 2011 - Views: 546

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“Fuzzy Logic Speed Controllers Using FPGA Technique For ...

... 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: 12

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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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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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The D.C. Scout Battery Distribution System Ground Locator

Title: The D.C. Scout Battery Distribution System Ground Locator Author: Chris Shipley Last modified by: Chris Shipley Created Date: 10/13/2009 10:57:21 PM

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

Date added: July 26, 2013 - Views: 19

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

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: 132

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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: 455

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SPEED CONTROL OF DC MOTOR USING PULSE WIDTH MODULATION

traction motor : control and applications

http://123seminarsonly.com/Seminar-Reports/2013-02/89795382-Electric-Traction-Railways.ppt

Date added: January 2, 2014 - Views: 76

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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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Fundamentals of Linear Electronics Integrated & Discrete

E-MOSFET Switches E-MOSFETs can also switch analog signals E-MOSFET Switches Choppers convert DC ... and DC to DC converters. E-MOSFET ... ppt CHAPTER 8 ...

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

Date added: June 5, 2012 - Views: 32

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Changes in Automatic Fare Collection - Welcome to CUNY - The ...

... operators Currently focused to meet regional mobility Brief history of fare control in New York City Tickets & ticket choppers operated ... Washington DC CTA ...

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

Date added: November 5, 2011 - Views: 70

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Slide sem título

CONVERSORES DC-DC (CHOPPERS) Qualquer sistema de potência a semicondutor empregado para retificar, inverter, ou mesmo para modular a potência de saída de uma fonte ...

http://xa.yimg.com/kq/groups/24841409/314881374/name/Chopper_apresenta%C3%A7%C3%A3o.ppt

Date added: September 16, 2014 - Views: 1

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Bonitron, Inc.

PowerFlex® 750 Series. High Horsepower. Low Horsepower Bonitron Choppers and Resistors can be used with any drive with DC bus connections. Frame sizes 8 and above do ...

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

Date added: November 1, 2011 - Views: 23

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Chapter 5 Signals and Noise - Arkansas Tech Faculty Web Sites

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: 52

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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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RADIATION PROTECTION IN DIAGNOSTIC RADIOLOGY

... HF generators (use of DC choppers to convert 50Hz mains into voltages with frequencies in the kHz range) ... Heat loading time curve Cooling time curve 6: ...

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

Date added: November 24, 2011 - Views: 77

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Microelectromechanical Devices - College of Engineering

... 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: 70

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Microprocessadores I - Home - Professor Doutor Cesar da Costa

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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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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Diode Circuits or Uncontrolled Rectifier - KSU

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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The Cold Neutron Chopper Spectrometer

The Cold Neutron Chopper Spectrometer EFAC-March 2003 Paul Sokol, Penn State University -- PI M. Aronson (Michigan), S.-H. Chen(MIT), R. Dimeo(NIST),

http://www.cncs.iucf.indiana.edu/cncs/Documents/FinalEFACMarch2003.ppt

Date added: January 24, 2015 - Views: 1

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Instrumentation & Power Electronics - Dr. Imtiaz Hussain - Home

If a thyristor is used in a DC circuit, when first turned on, ... Force commutation is applied to choppers and inverters. Force Commutation methods.

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

Date added: August 28, 2013 - Views: 49

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Presentación de PowerPoint - Centro de Recursos educativos ...

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: 1

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Aircraft Recognition 2006 - EAA | Experimental Aircraft ...

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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幻灯片 1

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

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

Date added: April 15, 2014 - Views: 5

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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: 90

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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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PRESENTATION TITLE - Spallation Neutron Source

Electrical Hazards and Safety with Ion Sources Martin P. Stockli Spallation Neutron Source Oak Ridge National Lab Oak Ridge, TN 37830

http://neutrons.ornl.gov/workshops/electrical_safety/presentations/SafeIS04b.ppt

Date added: August 4, 2013 - Views: 3

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The DynaMotor Brushless Repulsion Motor - A Compact Variable ...

Dc motors are quite efficient and have wide speed ranges but still require an external controller and ... no in-line choppers or thyristor power converters used ...

http://www.dynamotors.com/pubs/smma_2003.ppt

Date added: May 14, 2012 - Views: 53

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L3 国际合作实验 - University of Michigan

Photodiode: Thorlabs PDA55, DC-10MHz, Amplified Si Detector, 5 Gain ... Two Lasers Two Choppers A dual-laser FSI intended to reduce the drift errors is under ...

http://gallatin.physics.lsa.umich.edu/~hyang/talks/fsi-doe-july-19-2004.ppt

Date added: May 7, 2013 - Views: 23

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ABB Industrial drives, ACS880 drive series

ACS880 series offering The ... options Braking resistors Braking choppers Speed feedback options TTL pulse encoder HTL pulse ... 250V AC / 30V DC, 2A, change over ...

http://www02.abb.com/global/seitp/seitp202.nsf/c71c66c1f02e6575c125711f004660e6/c6ac1f286b37afd848257a9e00331f03/$FILE/ACS880_Joe+Chen.ppt

Date added: November 30, 2012 - Views: 51

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MAQUINAS DE CC - Ing. Jorge Cosco Grimaney | Temas de Clases

... 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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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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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: 132

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Entropy of Search Logs - How hard is search? With ...

bankruptcy court DC. banks big hoss bundle 04 ford 6.0l power stroke excursion. bar harbor's restaurant. bar mitzvah dj boston. bar stool racers ferguson.

http://sifaka.cs.uiuc.edu/~qmei2/pub/wsdm08-entropy.ppt?tag=beachtent.biz-20

Date added: May 2, 2013 - Views: 515

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Contextual Text Mining through Probabilistic Theme Analysis

O.C.C. Orange County Choppers Official Site. OBDII automotive scan tool. OC Yellowbook. ... washington dc. st. louis post dispatch. showtime. liberty travel. red lobster.

http://www-personal.umich.edu/~qmei/pub/CTM-MSR.ppt

Date added: December 22, 2012 - Views: 6872

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The Conceptual Design of the BEPCII control System

... 100ppm PS distribution is different, B PS independent, Q/S PS+ DC PS 1 DC power to 10 choppers,for example :5 OQ and 5 IQ Different PSC number in each VME ...

http://www.ihep.ac.cn/Reports/IMAC2007/wangchh.ppt

Date added: May 3, 2013 - Views: 13

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... เต็มใจ และ เต็มที่ ไฟ Input ที่รับได้ Choke Brake Choppers ... 240 V DC choke Built in as ...

http://www.bkkonline.com/seminar%20siamconnect/22-7-54/payback2time.ppt

Date added: May 8, 2013 - Views: 11

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Slide 1

... MOSFET G S D C E G current controlled voltage controlled DC to DC Converters ( Choppers) Chopper constant voltage dc source variable voltage dc load PWM ...

http://www.pua.edu.eg/PUASite/uploads/file/Engineering/courses/Fall%202013/EE%20382/Power%20Electronics,%20AC%20voltage%20controller.ppt

Date added: December 11, 2013 - Views: 2

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… Return 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: 222

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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: 150

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Tema 1 Accionamientos Eléctricos - Bienvenido al ...

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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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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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: 59

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Slide 1

Madhusudhan Rao, E&C Dept., MSRIT Cyclo converters (AC to AC converters at low output frequency). DC choppers (DC to DC converters). Inverters (DC to AC converters).

http://fetweb.ju.edu.jo/staff/EE/khedher/lecture2.ppt

Date added: May 27, 2013 - Views: 4

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Electrical Power Engineering 3 Power Electronics

Power Electronic Devices. DC choppers: Step-down, step ... be able to perform calculations on ideal dc chopper circuits’ Have a good understanding of ...

http://oldeee.see.ed.ac.uk/private/ee3/pe/dem/1-introduction.ppt

Date added: July 23, 2013 - Views: 51