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

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

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: 283

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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: 228

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Slide 1

Typical application of DC choppers is DC motor speed control. * PRINCIPLES OF BASIC DC CHOPPERS Switch is turned on and off periodically. In this way constant voltage can be connected to and disconnected from the load.

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

Date added: May 20, 2012 - Views: 48

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ECE 442 Power Electronics - University of Massachusetts Dartmouth

... AC-DC Converters (Controlled Rectifiers) AC-AC Converters (AC Voltage Controllers) DC-DC Converters (DC Choppers) DC-AC Converters (Inverters) ...

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

Date added: January 4, 2013 - Views: 26

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DC to DC CONVERSION (CHOPPER) - Universiti Teknologi Malaysia

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

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

Date added: October 8, 2011 - Views: 505

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PowerPoint Presentation

Mostly DC-DC choppers converters are used. For the field circuit, the balance of power is: The input power: The efficiency: Quasistatic Modeling of Electric Motors AC Motor Compose of three-phase windings. The ...

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: 54

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SPEED CONTROL OF DC MOTOR USING PULSE WIDTH MODULATION

THYRISTOR CONTROL Schematic of AC Electric Locomotive Power System with Thyristor Control and Separately Excited DC Motors DC Choppers Thyristor Control Circuit for DC Supply to DC Motors AC Locomotives with DC Drives Schematic of AC locomotive with Tap Changer Control of Transformer Output ...

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

Date added: January 2, 2014 - Views: 52

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Slide 1 - FET - ::University of Jordan - A Faculty of ...

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: 88

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Motor Drive Lecture 1#C - Ohio State University

Motor Drive Prof. Ali Keyhani Modern Variable Speed System A modern variable speed system has four components: 1. Electric Motor 2. Power Converter - Rectifiers - Choppers - Inverters - Cycloconverters Modern Variable Speed System (Contd’) 3.

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

Date added: September 29, 2011 - Views: 376

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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 signal for Q1 (upper device) Each provides opposite polarity of Vs/2 across the load Q1 on, Q2 off, vo = Vs/2 Q1 off, Q2 on, vo ...

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

Date added: October 21, 2011 - Views: 132

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Bonitron, Inc

Simple DC bus connection. Choppers, resistors, power supplies, front-ends, etc. ... Bonitron products center around supporting AC drives of any brand with a DC bus. ... Ride-Thru.ppt. UPS. Most Flywheels. Active Front End.

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

Date added: August 3, 2013 - Views: 5

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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) “Inverter technology” 6: ...

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

Date added: November 15, 2012 - Views: 13

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The D.C. Scout Battery Distribution System Ground Locator

D.C. Scout Purpose The D.C. Scout is used for locating resistive or non-resistive current paths from DC Battery Distribution System to building ground without de-energizing components or loads in the system. ... to get away from noisy systems such as choppers, and inverters.

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

Date added: July 26, 2013 - Views: 8

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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 or low-frequency AC into higher -frequency AC ... Times New Roman Times Arial Symbol Cox1.ppt CHAPTER 8 OBJECTIVES Introduction D-MOSFETs D-MOSFETs D-MOSFETs D-MOSFET ...

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

Date added: June 5, 2012 - Views: 21

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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 not have a 7th IGBT option.

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

Date added: November 1, 2011 - Views: 19

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Power Electronics - e-ope.ee

DC link converters Part 4 DC/DC Converters. DC voltage regulators. Step-down choppers. Step-up choppers. Universal choppers Part 5 Utility Circuits. Snubbers and clamps. Introduction to gate and base drivers. Basics ...

http://e-ope.ee/_download/euni_application/presentation/4113/PE_Course.ppt

Date added: May 7, 2014 - Views: 5

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PowerPoint Presentation

However some degree of self-sufficiency for basic foodstuffs remains a major objective for DC. Availability of foreign exchange is also a constraint on the import capacity of some DC.

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

Date added: June 5, 2014 - Views: 11

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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 operated by guards at each station. ... advantages and limitations SmarTrip in Washington DC CTA: ...

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

Date added: November 5, 2011 - Views: 59

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Microelectromechanical Devices - Villanova University

... Electric machines - ac or dc (ii) Power converter - rectifiers,choppers, inverters, and cycloconverters (iii) Controllers -matching the motor and power converter to meet the load requirements (iv) Load Motor Drive ...

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

Date added: March 29, 2012 - Views: 50

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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, Half-Bridge/ Full Bridge Week 8 : Mid-Semester Break Week 9 : DC – AC Converters (Inverters) ...

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

Date added: August 18, 2013 - Views: 12

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CHAPTER 1 Measurement and sensing techniques in thyristorised ...

CHAPTER 1Measurement and sensing techniques in thyristorised AC and DC systems. Measurement of sinusoidal v/s non-sinusoidal signals. Expressions for voltage,current,power and power factor in non-sinusoidal systems

http://c501400.r0.cf2.rackcdn.com/documents/EE/PESD(CHA1)PPT.pptx

Date added: June 11, 2013 - Views: 13

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No Slide Title

DC-DC Converters (DC choppers) 4. DC-AC Converters (Inverters) ตัวอย่างของการใช้งาน Power Electronics ได้แก่ Air Conditioning, Alarms, Battery charger, Clothes dryer, Conveyor, Electric Dryers, ...

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

Date added: November 20, 2011 - Views: 22

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Presentación de PowerPoint - Centro de Recursos educativos ...

Motor de Corriente Directa (DC): Variadores monofásicos/ trifásicos CA/CC Motor de Corriente Directa (DC): Troceadores o Choppers CC/CC Motor de Corriente Directa (DC): Troceadores o Choppers CC/CC Motor de Corriente Directa (DC): Motor de Corriente Directa ...

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

Date added: July 18, 2012 - Views: 33

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Chapter 5 Signals and Noise - Arkansas Tech University

Where, irms = root-mean-square current fluctuation, I = average direct current, e = charge on the electron (1.60 x 10-19 C), f = band width of frequencies. Shot ... choppers, shields, modulators, and synchronous detectors.

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

Date added: January 27, 2012 - Views: 32

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Principles of Instrumental Analysis

Principles of Instrumental Analysis Chapter 5 Signals and Noise FIGURE 5-1 Effect of noise on a current measurement: (a) experimental strip-chart recording of a 0.9 ×10-15 A direct current.

http://www.e-lcd.com.tw/儀器分析課本Ⅰ/Ch05.ppt

Date added: July 14, 2013 - Views: 5

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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 Commercial Diplomacy Branch, DITC

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

Date added: August 1, 2013 - Views: 99

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幻灯片 1 - dianyuan.com

... 1/2 number of cell as by Robicon Multilevel switch Halfbridges 2 x Choppers = Multi-Level-Modul - Terminal GB module + Terminal DC bus capacitor Generic standards – Emission standard for industrial environments IEC 61000-6-4 - Generic standards – Emission ...

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

Date added: December 23, 2012 - Views: 40

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Slide 1

... ac/ac and dc/dc converters Power electronic components Gating of power switches Phase modulation Block modulation PWM ... 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: 7

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PowerPoint Presentation

Number of choppers. Chopper length. Full rise/fall time. Gap. Total deflection voltage +/- 2350. Post chopper off/on beam-current ratio. ... DC?? Scale by pulse rate from SNS ?? Expected output rms norm H & V emit. Estimated output rms norm H & V emit.

http://www.fnal.gov/directorate/DirReviews/DirRvw_Proton%20Driver%20Presentations/PD_DIR_REV_Apollinari-v2%5b2%5d.ppt

Date added: December 28, 2013 - Views: 9

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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 monofásica ou trifásica AC, fixa ou variável, e com frequências também fixas ou variáveis. 5. ...

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

Date added: January 11, 2014 - Views: 3

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لا يوجد عنوان للشريحة - Staff Portal ...

Controlled rectifiers, ( SCR,…) Inverters ( Thyristorized or Transistorized ) -VFI, CFI & RFI Choppers( Thyristorized or Transistorized ... Dc to AC Converters Uninterruptible Power Supplies (UPS) ,Brushless dc motor, Lighting , frequency converters … DC to DC Converters Voltage ...

http://staff.ppu.edu/sameer/slides/power_electronics2006/Power-El-Ch4.ppt

Date added: December 2, 2013 - Views: 15

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Industrial Motor Drives And Control - most

... of DC series motors 7.9 Advantages of AC motor control over DC motor ... -commutated bridge inverters 6.7 Functional circuit blocks of a line-commutated converters 6.8 Dual converters 6.9 Choppers 6.10 Cycloconverter 7.1 Introduction 7.2 AC Voltage controller or ...

http://www.most.gov.mm/techuni/media/EP5028_IMDC.ppt

Date added: October 11, 2011 - Views: 58

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Aircraft Recognition 2006

The size of a DC-3 and will probably fly the warbird arrival. ... Aren’t they beautiful? Ryan PT-17, top Ryan PT-19, right Not a Harley Built for Snap-On Tools, by Orange County Choppers C-195’s There are actually C190’s and C195’s.

http://flyin.airventure.org/atc/ACFT2_2.ppt

Date added: July 5, 2014 - Views: 1

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L3 国际合作实验 - University of Michigan

... 3-4 mW, 665.1-675.2 nm. Retroreflector: Edmund, D=2”, angle tolerance: 3 arc seconds. Photodiode: Thorlabs PDA55, DC-10MHz, Amplified Si Detector, 5 Gain Settings. Thorlabs Fabry ... Two Lasers Two Choppers A dual-laser FSI intended to reduce the drift errors is under study ...

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

Date added: May 7, 2013 - Views: 14

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Title

... wide wavelength range Optimized for high resolution The OL Series 750 Monochromators Range of plug-in input accessories Choppers ... DC, AC, pulsed or modulated sources Sphere systems: from 1” to 76” diameter as standard NIST-traceable calibration sources, ...

http://www.olinet.com/content/library/1224786659P17_OL_750-SPECULAR-REFLECTANCE-SYSTEM-PRESENTATION.ppt

Date added: September 7, 2012 - Views: 12

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The DynaMotor Brushless Repulsion Motor - DynaMotors

Dc motors are quite efficient and have wide speed ranges but still require an external controller and the dc motor itself is more costly to build than the EBR motor. ... no in-line choppers or thyristor power converters used. Blowers, pumps, compressors, machine tools, ...

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

Date added: May 14, 2012 - Views: 30

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No Slide Title

The amplifier, being in a feedback loop, automatically decreases the DC bias to the bridge just enough to allow the thermistor to cool back down, ... First, voltages on the order of 100 nV are to be measured -- so choppers, AC amplifiers, and synchronous detectors are needed.

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

Date added: September 17, 2013 - Views: 6

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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 modulated sources Sphere systems: from 1” to 76” diameter as standard NIST-traceable calibration sources, materials & detectors ...

http://www.olinet.com/content/library/1224785887P08_OL_750-DSR-SYSTEM-PRESENTATION_A.ppt

Date added: August 29, 2011 - Views: 15

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

united states district court southern Iowa. uniting churches confrence centers Sydney nsw. unive. universal furniture. universal remotes. universal research institute united kingdom. universities with fashion programs. university AND of AND florida.

http://sifaka.cs.uiuc.edu/~qmei2/pub/wsdm08-entropy.ppt

Date added: July 7, 2012 - Views: 652

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MAQUINAS DE CC - JORGE COSCO GRIMANEY | Temas de clases

Motor de Corriente Directa (DC): CIRCUITO EQUIVALENTE EN DERIVACIÓN VT = EA + IARA VT = Kφώ + IARA Un motor en derivación de 50 ... Variadores monofásicos/ trifásicos CA/CC Aplicaciones Troceadores o Choppers CC/CC Aplicaciones Troceadores o Choppers CC/CC Aplicaciones ...

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

Date added: May 8, 2013 - Views: 8

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Snímek 1 - Masaryk University

Human knapping produces an angle of less than 90° Tools are mostly classified as choppers (Early Paleolithic technology) ... DC. Irwin, H. T. 1971 Developments in early man studies in Western North America, 1960-1970. Arctic Anthropology 8:42-67.

http://www.phil.muni.cz/~vndrzl/indians/Archaeology/aj27060_week5.ppt

Date added: May 10, 2014 - Views: 3

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ABB Industrial drives, ACS880 drive series

... CANopen Ethernet/IP Modbus/TCP PROFINET IO Ethernet POWERLINK EtherCAT Braking options Braking resistors Braking choppers Speed feedback options TTL pulse encoder HTL pulse ... 2 AI (3) (Current/voltage) 2 AO (2) (Current) 3 RO (3) (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: 42

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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. OF-156. ORMOND MEMORIAL ORMOND BEACH FL. Oakland Cal Ripkin Baseball. ... washington dc. st. louis post dispatch. showtime. liberty travel. red lobster. tribune review. acs. krispy kreme. msi. papa johns ...

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

Date added: December 22, 2012 - Views: 5355

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Slide 1

Semoga Faham The power converters are generally classified as: 1. ac-dc converters (phase-controlled converters) 2. direct ac-ac converters (cycloconverters) 3. dc-ac converters (inverters) 4. dc-dc converters (choppers, buck and boost converters) Title: Slide 1 Author: akt 4.1 PHK-I Last ...

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

Date added: March 12, 2014 - Views: 3

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... Return Doc - EUROPA - European Commission - <wcm:content ...

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. Analyse des importations par region. commerce de 2001. Ventilation par degré de transformation. non ACP. LDC. Afrique. A C P.

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

Date added: October 29, 2012 - Views: 145

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Slide 1

http://gallery.bcentral.com/GID5110980DD432791-Orange-County-Choppers.aspx. http://www.neon-nites.com/neon_signs.html. http://www.mysticunicorn.com/NFL_Signs.html. ... http://www.hgtv.com/hgtv/dc_floral_arrangements/article/0,1793,HGTV_3418_3073826,00.html. http://www.qualitysilkplants.com/

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

Date added: October 30, 2011 - Views: 111

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The Conceptual Design of the BEPCII control System

... 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 crate: PVs Num. Different ,Different CPU load EPICS default clock : 60Hz PVs processing slow Ramping Program in each IOC: ...

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

Date added: May 3, 2013 - Views: 12

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Slide 1

... เต็มใจ และ เต็มที่ ไฟ Input ที่รับได้ Choke Brake Choppers Overload ability 380 – 480 V 208 – 240 V DC choke Built in as standard up to 23A 150% 1min/10min (high) 110% 1min/10min (low) Brand A 380 – 480 V DC choke Integrated ...

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

Date added: May 8, 2013 - Views: 8

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Presentazione di PowerPoint - MotoClub RHO

... Via Matteotti Moto Choppers (North-west Choppers) Via Madonna e Via Matteotti Auto e moto d’epoca Via Madonna (portici ... ROYAL CUBA SABRINA KABUA RIFF RAFF (AC DC tribute - Rock)* RAY ACCARDI BAND (Jimi Hendrix tribute - Rock) MR. SATURDAY NIGHT SPECIAL (Lynyrd Skynyrd ...

http://www.motoclubrho.com/Documenti/RHOALIVE2008.ppt

Date added: May 8, 2013 - Views: 10

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Tema 1 Accionamientos Eléctricos - OCW - UC3M

Tema 2. Accionamientos Eléctricos Convertidores electrónicos para motores dc INDICE DEL TEMA 1. Introducción. Dispositivos electrónicos de potencia

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

Date added: December 20, 2011 - Views: 24